:root {
    --bg: #FAFBFC;
    --surface: #FFFFFF;
    --surface-alt: #F1F3F5;
    --ink: #0F1015;
    --ink-soft: #4A5568;
    --ink-muted: #94A3B8;
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --primary-light: #EEF2FF;
    --accent: #F59E0B;
    --success: #10B981;
    --error: #EF4444;
    --border: #E2E8F0;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
}

/* ─── Navbar ─── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: 56px;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.logo-icon {
    color: var(--primary);
    font-size: 22px;
}

.logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--ink);
}

/* Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 110;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.25s ease;
    transform-origin: center;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
}
.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--ink-soft);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--surface-alt);
    color: var(--ink);
}

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
}

/* ─── Hero ─── */
.hero {
    text-align: center;
    padding: 48px 20px 20px;
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 10px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 15px;
    color: var(--ink-muted);
    max-width: 440px;
    margin: 0 auto;
    line-height: 1.5;
}

.hero-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 12px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), #8B5CF6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(14px, 2.5vw, 18px);
    color: var(--ink-soft);
    max-width: 600px;
    margin: 0 auto;
    padding: 0 8px;
}

/* ─── Main ─── */
.main {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 16px 48px;
    overflow-x: hidden;
}

/* ─── Upload Zone ─── */
.upload-section {
    margin-top: 24px;
}

.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--surface);
}

.upload-zone:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-zone.drag-over {
    border-color: var(--primary);
    background: var(--primary-light);
    transform: scale(1.01);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.upload-zone.success {
    border-color: var(--success);
    background: #ECFDF5;
}

.upload-icon {
    color: var(--ink-muted);
    margin-bottom: 12px;
}

.upload-icon svg {
    width: 40px;
    height: 40px;
}

.upload-text {
    font-size: 15px;
    color: var(--ink-soft);
    margin-bottom: 6px;
}

.upload-browse {
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
}

.upload-hint {
    font-size: 12px;
    color: var(--ink-muted);
}

/* ─── File List ─── */
.file-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    animation: slideIn 0.2s ease;
    gap: 8px;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.file-icon {
    width: 34px;
    height: 34px;
    min-width: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: white;
}

.file-icon.pdf { background: #EF4444; }
.file-icon.xlsx { background: #10B981; }
.file-icon.docx { background: #3B82F6; }
.file-icon.pptx { background: #F59E0B; }
.file-icon.csv { background: #8B5CF6; }
.file-icon.txt { background: #6B7280; }
.file-icon.image { background: #EC4899; }

.file-name {
    font-weight: 500;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

.file-size {
    font-size: 11px;
    color: var(--ink-muted);
}

.file-remove {
    background: none;
    border: none;
    color: var(--ink-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 18px;
    flex-shrink: 0;
    line-height: 1;
}

.file-remove:hover {
    background: var(--error);
    color: white;
}

/* ─── Trust Bar ─── */
.trust-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 500;
    color: var(--ink-soft);
    white-space: nowrap;
}

.trust-icon {
    font-size: 14px;
}

.trust-divider {
    width: 1px;
    height: 14px;
    background: var(--border);
}

/* ─── How It Works ─── */
.how-it-works {
    margin-top: 40px;
    margin-bottom: 16px;
}

.steps-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.step-card {
    flex: 1;
    text-align: center;
    padding: 16px 8px;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    margin: 0 auto 10px;
}

.step-label {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    color: var(--ink);
}

.step-desc {
    font-size: 12px;
    color: var(--ink-muted);
    line-height: 1.4;
}

.step-arrow {
    font-size: 18px;
    color: var(--ink-muted);
    padding-top: 24px;
    flex-shrink: 0;
}

/* ─── Features Grid ─── */
.features-section {
    margin-top: 16px;
    margin-bottom: 32px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.feature-card {
    padding: 16px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    text-align: center;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    cursor: pointer;
}

.feature-card:hover,
.feature-card:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    outline: none;
}

.feature-icon {
    font-size: 24px;
    margin-bottom: 6px;
}

.feature-name {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 3px;
    color: var(--ink);
}

.feature-desc {
    font-size: 11px;
    color: var(--ink-muted);
    line-height: 1.3;
}

/* ─── Optional Tag ─── */
.optional-tag {
    font-size: 11px;
    font-weight: 500;
    color: var(--ink-muted);
    background: var(--surface-alt);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

/* ─── Action Section ─── */
.action-section {
    margin-top: 32px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.section-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 700;
    margin-bottom: 20px;
}

.subsection-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--ink-soft);
}

/* ─── Action Cards ─── */
.action-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 24px;
}

.action-card {
    padding: 16px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: all 0.15s ease;
    background: var(--surface);
}

.action-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.action-card.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.action-icon {
    font-size: 24px;
    margin-bottom: 6px;
}

.action-label {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.action-desc {
    font-size: 12px;
    color: var(--ink-muted);
}

/* ─── Format Grid ─── */
.format-section {
    margin-bottom: 20px;
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
}

.format-card {
    padding: 10px 6px;
    border: 2px solid var(--border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    transition: all 0.15s ease;
    background: var(--surface);
}

.format-card:hover {
    border-color: var(--primary);
}

.format-card.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

/* ─── Template Grid ─── */
.template-section {
    margin-bottom: 20px;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.template-card {
    padding: 14px 10px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    background: var(--surface);
}

.template-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.template-card.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.template-colors {
    display: flex;
    gap: 4px;
    margin-bottom: 6px;
}

.template-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
}

.template-name {
    font-weight: 600;
    font-size: 12px;
    margin-bottom: 2px;
}

.template-desc {
    font-size: 10px;
    color: var(--ink-muted);
}

/* ─── Instructions ─── */
.instructions-section {
    margin-bottom: 20px;
}

.instructions-input {
    width: 100%;
    min-height: 80px;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    resize: vertical;
    transition: border-color 0.15s ease;
    background: var(--surface);
}

.instructions-input:focus {
    outline: none;
    border-color: var(--primary);
}

.instructions-input::placeholder {
    color: var(--ink-muted);
}

/* ─── Process Button ─── */
.process-btn {
    width: 100%;
    padding: 14px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.15s ease;
}

.process-btn:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.process-btn:disabled {
    background: var(--ink-muted);
    cursor: not-allowed;
}

.btn-arrow {
    transition: transform 0.15s ease;
}

.process-btn:hover:not(:disabled) .btn-arrow {
    transform: translateX(4px);
}

/* ─── Progress Section ─── */
.progress-section {
    margin-top: 32px;
}

.progress-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
}

.progress-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.progress-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.main-progress-bar {
    width: 100%;
    max-width: 300px;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    margin: 0 auto 8px;
    overflow: hidden;
}
.main-progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    width: 0%;
    transition: width 0.4s ease;
}
.main-progress-text {
    font-size: 13px;
    color: var(--ink-muted);
    margin-bottom: 24px;
}

.progress-steps {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 280px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.step.active { opacity: 1; }
.step.done { opacity: 1; }

.step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    transition: background 0.3s ease;
    flex-shrink: 0;
}

.step.active .step-dot {
    background: var(--primary);
    animation: pulse 1s ease infinite;
}

.step.done .step-dot {
    background: var(--success);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.step-text {
    font-size: 13px;
    text-align: left;
}

/* ─── Upload Progress Bar ─── */
.upload-progress-wrap {
    text-align: center;
}

.upload-bar-track {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    margin: 16px auto;
    overflow: hidden;
}

.upload-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), #8B5CF6);
    border-radius: 4px;
    transition: width 0.15s ease;
}

.upload-pct {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-top: 4px;
}

/* ─── Result Section ─── */
.result-section {
    margin-top: 32px;
}

.result-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.result-icon {
    width: 56px;
    height: 56px;
    background: #ECFDF5;
    color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 20px;
    animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

.result-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 700;
    margin-bottom: 6px;
}

.result-filename {
    color: var(--ink-muted);
    margin-bottom: 20px;
    font-size: 14px;
    word-break: break-all;
}

.verification-results {
    margin: 20px auto;
    text-align: left;
    max-width: 400px;
}

.verify-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.verify-item:last-child {
    border-bottom: none;
}

.verify-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.verify-dot.pass { background: var(--success); }
.verify-dot.fail { background: var(--error); }

.verify-text {
    font-size: 12px;
    color: var(--ink-soft);
}

.result-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 24px;
    flex-wrap: wrap;
}

/* Preview */
.preview-area {
    margin-top: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
}
.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: var(--surface-alt);
    border-bottom: 1px solid var(--border);
}
.preview-label {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-soft);
}
.preview-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 12px;
    font-size: 12px;
    color: var(--ink-soft);
    cursor: pointer;
}
.preview-toggle:hover { background: var(--surface); }
.preview-container {
    max-height: 400px;
    overflow: auto;
    padding: 0;
}
.preview-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}
.preview-container img {
    max-width: 100%;
    display: block;
    margin: 0 auto;
}
.preview-container pre {
    padding: 16px;
    font-family: 'Inter', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--ink);
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}
.preview-container .no-preview {
    padding: 40px 16px;
    text-align: center;
    color: var(--ink-muted);
    font-size: 14px;
}

.download-btn {
    padding: 12px 28px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s ease;
}

.download-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Download progress */
.download-wrap { position: relative; }
.download-progress {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: var(--radius);
    padding: 10px 20px;
    gap: 6px;
}
.download-progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
    overflow: hidden;
}
.download-progress-fill {
    height: 100%;
    background: white;
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
}
.download-progress-text {
    font-size: 11px;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #0F1015;
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.toast.success { background: #10B981; }
.toast.error { background: #EF4444; }

.new-btn {
    padding: 12px 28px;
    background: var(--surface);
    color: var(--ink);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.new-btn:hover {
    border-color: var(--ink-muted);
}

/* ─── Tools Section ─── */
.tools-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 16px 48px;
    overflow-x: hidden;
}

.tools-section .section-title {
    margin-bottom: 4px;
}

.section-sub {
    font-size: 14px;
    color: var(--ink-soft);
    margin-bottom: 20px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 24px;
}

.tool-card {
    padding: 16px 10px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: all 0.15s ease;
    background: var(--surface);
}

.tool-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.tool-card.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.tool-icon {
    font-size: 24px;
    margin-bottom: 6px;
}

.tool-label {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 2px;
}

.tool-desc {
    font-size: 11px;
    color: var(--ink-muted);
}

.tool-options {
    animation: fadeIn 0.3s ease;
}

.option-row {
    margin-bottom: 20px;
}

.tool-options-row {
    margin-bottom: 20px;
    animation: fadeIn 0.3s ease;
}

/* ─── Upload Prompt (tools page) ─── */
.upload-prompt {
    text-align: center;
    padding: 32px 20px;
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    margin-top: 16px;
}

.upload-prompt p {
    color: var(--ink-soft);
    margin-bottom: 16px;
    font-size: 14px;
}

.upload-prompt .process-btn {
    max-width: 300px;
    margin: 0 auto;
}

/* ─── Lossless Toggle ─── */
.lossless-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 14px;
    background: var(--primary-light);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--ink);
    cursor: pointer;
}

.lossless-toggle input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

.lossless-note {
    margin-top: 6px;
    font-size: 12px;
    color: var(--ink-soft);
    line-height: 1.5;
}

/* ─── Footer ─── */
.footer {
    text-align: center;
    padding: 24px 16px;
    color: var(--ink-muted);
    font-size: 12px;
    border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════ */

/* ─── Small phones (≤374px) ─── */
@media (max-width: 374px) {
    .nav-content { padding: 0 12px; }
    .logo-text { font-size: 16px; }
    .hero { padding: 32px 12px 16px; }
    .main { padding: 0 12px 32px; }
    .upload-zone { padding: 28px 12px; }
    .action-cards { gap: 4px; }
    .action-card { padding: 10px 4px; }
    .action-icon { font-size: 18px; }
    .action-label { font-size: 11px; }
    .action-desc { font-size: 10px; }
    .format-grid { grid-template-columns: repeat(3, 1fr); gap: 4px; }
    .format-card { padding: 8px 4px; font-size: 11px; }
    .template-grid { grid-template-columns: repeat(2, 1fr); }
    .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .file-name { max-width: 140px; }
    .steps-row { flex-direction: column; align-items: center; gap: 4px; }
    .step-arrow { display: none; }
    .step-card { padding: 10px 16px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-desc { font-size: 10px; }
}

/* ─── Mobile (≤640px) ─── */
@media (max-width: 640px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 240px;
        height: 100vh;
        height: 100dvh;
        background: var(--surface);
        flex-direction: column;
        padding: 72px 20px 20px;
        gap: 4px;
        box-shadow: -4px 0 24px rgba(0,0,0,0.12);
        transition: transform 0.3s ease, visibility 0.3s ease;
        z-index: 101;
        transform: translateX(100%);
        visibility: hidden;
        overscroll-behavior: contain;
    }

    .nav-links.open {
        transform: translateX(0);
        visibility: visible;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 8px;
    }

    .nav-link:hover,
    .nav-link.active {
        background: var(--primary-light);
        color: var(--primary);
    }

    .main { padding: 0 16px 40px; }
    .hero { padding: 36px 16px 20px; }
    .upload-zone { padding: 32px 16px; }
    .action-cards { gap: 6px; }
    .action-card { padding: 12px 6px; }
    .action-icon { font-size: 20px; }
    .action-label { font-size: 12px; }
    .action-desc { font-size: 10px; }
    .format-grid { grid-template-columns: repeat(3, 1fr); }
    .template-grid { grid-template-columns: repeat(2, 1fr); }
    .tools-section { padding: 16px 16px 40px; }
    .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .tool-card { padding: 14px 8px; }
    .result-actions { flex-direction: column; }
    .download-btn, .new-btn {
        width: 100%;
        justify-content: center;
    }
    .file-name { max-width: 160px; }
    .trust-bar { gap: 10px; }
    .trust-item { font-size: 12px; }
    .steps-row { flex-direction: column; align-items: center; gap: 4px; }
    .step-arrow { display: none; }
    .step-card { padding: 10px 20px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .feature-card { padding: 14px 8px; }
    .feature-icon { font-size: 22px; }
    .feature-name { font-size: 12px; }
    .feature-desc { font-size: 10px; }
    .stats-bar { gap: 8px; padding: 10px 8px; }
    .stat-number { font-size: 16px; }
    .stat-label { font-size: 9px; }
    .stat-divider { height: 24px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-cta { text-align: center; }
    .pricing-grid { grid-template-columns: 1fr; }
    .use-cases-grid { grid-template-columns: 1fr 1fr; }
    .analyst-features-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .analyst-feature { padding: 14px 10px; }
    .agent-input-section { padding: 0 4px; }
    .agent-input { font-size: 14px; }
    .agent-suggestions { gap: 6px; }
    .suggestion-chip { font-size: 11px; padding: 5px 10px; }
    .user-menu { top: 8px; right: 12px; }
    .user-info { padding: 4px 10px; gap: 6px; }
    .user-name { font-size: 11px; }
    .makes-badge { font-size: 10px; padding: 1px 6px; }
    .nav-auth-btn { font-size: 12px; padding: 5px 12px; }
}

/* ─── Tablet (641px–768px) ─── */
@media (min-width: 641px) and (max-width: 768px) {
    .main { padding: 0 24px 48px; }
    .hero { padding: 48px 24px 24px; }
    .template-grid { grid-template-columns: repeat(3, 1fr); }
    .tool-grid { grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}

/* ─── Large tablets / small desktops (769px–1024px) ─── */
@media (min-width: 769px) and (max-width: 1024px) {
    .main { padding: 0 32px 48px; }
    .template-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ─── Overlay backdrop for mobile menu ─── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 99;
    -webkit-tap-highlight-color: transparent;
}

.nav-overlay.visible {
    display: block;
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ─── Auth Modal ─── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    width: 100%;
    max-width: 400px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--ink-muted);
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover { color: var(--ink); }

.modal-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.modal-tab {
    flex: 1;
    padding: 10px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.modal-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.modal-sub {
    font-size: 13px;
    color: var(--ink-muted);
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-soft);
    margin-bottom: 4px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--surface-alt);
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface);
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
}

.auth-btn:hover { background: var(--primary-hover); }
.auth-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.auth-error {
    color: var(--error);
    font-size: 13px;
    margin-top: 10px;
    text-align: center;
    min-height: 18px;
}

/* ─── Google Sign-In Button ─── */
.google-btn {
    width: 100%;
    padding: 10px;
    background: var(--surface);
    color: var(--ink);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s, border-color 0.2s;
}

.google-btn:hover {
    background: var(--surface-alt);
    border-color: #ccc;
}

/* ─── Auth Divider ─── */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 14px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    font-size: 12px;
    color: var(--ink-muted);
    white-space: nowrap;
}

/* ─── User Menu ─── */
.user-menu {
    position: fixed;
    top: 12px;
    right: 20px;
    z-index: 101;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
}

.makes-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: 10px;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 6px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    overflow: hidden;
}

.user-dropdown a {
    display: block;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--ink);
    text-decoration: none;
    transition: background 0.15s;
}

.user-dropdown a:hover {
    background: var(--surface-alt);
}

/* ─── Auth button in navbar ─── */
.nav-auth-btn {
    padding: 6px 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.nav-auth-btn:hover { background: var(--primary-hover); }

.nav-auth-btn.secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.nav-auth-btn.secondary:hover {
    background: var(--primary-light);
}

/* ─── Makes counter in upload section ─── */
.makes-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--ink-soft);
}

.makes-counter strong {
    color: var(--primary);
    font-weight: 700;
}

.makes-counter .limit-warn {
    color: var(--error);
    font-weight: 600;
}

/* ─── Analyst section ─── */
.analyst-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 16px;
}

.analyst-panel h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
}

.analyst-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.analyst-tab {
    padding: 6px 14px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.analyst-tab:hover, .analyst-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.analyst-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    resize: vertical;
    min-height: 60px;
}

.analyst-input:focus {
    outline: none;
    border-color: var(--primary);
}

.analyst-result {
    margin-top: 14px;
    padding: 14px;
    background: var(--surface-alt);
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

.analyst-result img {
    max-width: 100%;
    border-radius: 6px;
    margin: 8px 0;
}

/* ─── Page Sections (API Keys, Pricing) ─── */
.page-section {
    padding: 40px 20px;
    max-width: 700px;
    margin: 0 auto;
}

.page-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-sub {
    font-size: 14px;
    color: var(--ink-muted);
}

.loading-text {
    font-size: 13px;
    color: var(--ink-muted);
    text-align: center;
    padding: 20px;
}

/* ─── API Keys List ─── */
.api-key-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 8px;
}

.api-key-info {
    flex: 1;
    min-width: 0;
}

.api-key-hash {
    font-family: monospace;
    font-size: 13px;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.api-key-meta {
    font-size: 11px;
    color: var(--ink-muted);
    margin-top: 2px;
}

.api-key-actions {
    display: flex;
    gap: 8px;
    margin-left: 12px;
}

.key-btn {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--ink-soft);
    transition: all 0.15s;
}

.key-btn:hover { background: var(--surface-alt); }
.key-btn.danger { color: var(--error); border-color: var(--error); }
.key-btn.danger:hover { background: #fef2f2; }

.no-keys {
    text-align: center;
    padding: 24px;
    color: var(--ink-muted);
    font-size: 14px;
}

/* ─── API Usage Bar ─── */
.api-usage-bar {
    margin-top: 20px;
    padding: 16px;
    background: var(--surface-alt);
    border-radius: 8px;
}

.usage-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 8px;
}

.usage-track {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.usage-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    transition: width 0.3s;
}

/* ─── Pricing Grid ─── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.pricing-card {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    position: relative;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

.pricing-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 10px;
}

.pricing-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.pricing-period {
    font-size: 12px;
    color: var(--ink-muted);
    margin-bottom: 16px;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    text-align: left;
}

.pricing-features li {
    font-size: 13px;
    padding: 6px 0;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child { border-bottom: none; }

.pricing-btn {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--ink);
    transition: all 0.2s;
}

.pricing-btn:hover { background: var(--surface-alt); }

.pricing-btn.primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pricing-btn.primary:hover { background: var(--primary-hover); }

/* ─── Hero Actions ─── */
.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    justify-content: center;
}

.hero-cta {
    padding: 12px 28px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.hero-cta:hover { background: var(--primary-hover); transform: translateY(-1px); }
.hero-cta:active { transform: translateY(0); }

.hero-cta.secondary {
    background: var(--surface);
    color: var(--ink);
    border: 1px solid var(--border);
}

.hero-cta.secondary:hover { background: var(--surface-alt); }

/* ─── Stats Bar ─── */
.stats-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 14px 12px;
    margin: 0 auto 24px;
    max-width: 500px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.stat-item {
    text-align: center;
    min-width: 0;
}

.stat-number {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 10px;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.stat-divider {
    width: 1px;
    height: 28px;
    background: var(--border);
    flex-shrink: 0;
}

/* ─── Use Cases ─── */
.use-cases-section {
    padding: 32px 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.use-case-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.use-case-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.use-case-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.use-case-card h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
}

.use-case-card p {
    font-size: 12px;
    color: var(--ink-muted);
    line-height: 1.5;
}

/* ─── CTA Section ─── */
.cta-section {
    text-align: center;
    padding: 40px 20px;
    margin: 24px 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.cta-section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-section p {
    font-size: 14px;
    color: var(--ink-muted);
    margin-bottom: 16px;
}

/* ─── Analyst Showcase ─── */
.analyst-showcase {
    padding: 32px 0;
}

.analyst-showcase .section-sub {
    text-align: center;
    font-size: 14px;
    color: var(--ink-muted);
    margin-top: -8px;
    margin-bottom: 20px;
}

.analyst-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.analyst-feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 14px;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.analyst-feature:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.analyst-feature-icon {
    font-size: 26px;
    margin-bottom: 8px;
}

.analyst-feature h3 {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 4px;
}

.analyst-feature p {
    font-size: 11px;
    color: var(--ink-muted);
    line-height: 1.5;
}

/* ─── Agent Badge ─── */
.agent-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(79, 70, 229, 0.08);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

.agent-badge.small {
    padding: 4px 10px;
    font-size: 11px;
    margin-bottom: 0;
}

.agent-pulse {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* ─── Agent Input Section ─── */
.agent-input-section {
    max-width: 540px;
    margin: 0 auto 20px;
    padding: 0 16px;
}

.agent-input-wrap {
    display: flex;
    align-items: center;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 14px;
    padding: 6px 6px 6px 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-sm);
}

.agent-input-wrap:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1), var(--shadow);
}

.agent-input-icon {
    flex-shrink: 0;
    color: var(--primary);
    margin-right: 10px;
}

.agent-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    font-family: inherit;
    color: var(--ink);
    background: transparent;
    padding: 10px 0;
    min-width: 0;
}

.agent-input::placeholder {
    color: var(--ink-muted);
    font-size: 14px;
}

.agent-send-btn {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.agent-send-btn:hover { background: var(--primary-hover); transform: scale(1.05); }
.agent-send-btn:active { transform: scale(0.95); }

/* ─── Suggestion Chips ─── */
.agent-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    justify-content: center;
}

.suggestion-chip {
    padding: 7px 16px;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-soft);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.suggestion-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ─── Agent Status ─── */
.agent-status {
    max-width: 540px;
    margin: 0 auto 16px;
    padding: 0 16px;
}

.agent-status-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--primary-light);
    border: 1px solid rgba(79, 70, 229, 0.15);
    border-radius: 10px;
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
}

.agent-status-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

.agent-thinking {
    display: flex;
    justify-content: center;
    padding: 6px;
}

.thinking-dots {
    display: flex;
    gap: 5px;
}

.thinking-dots span {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: bounce 1.4s ease-in-out infinite;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-6px); }
}

/* ─── Smart Actions ─── */
.smart-actions {
    max-width: 540px;
    margin: 0 auto 24px;
    padding: 0 16px;
}

.smart-actions-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.smart-actions-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.smart-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
}

.smart-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 10px;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
}

.smart-action-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.smart-action-btn .action-emoji {
    font-size: 24px;
}

.smart-action-btn .action-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink);
}

.smart-action-btn .action-cost {
    font-size: 10px;
    color: var(--ink-muted);
    background: var(--surface-alt);
    padding: 2px 6px;
    border-radius: 4px;
}