/* ============================================================
   FPV Machining Portal — Public Frontend Theme
   Glassmorphism dark industrial aesthetic
   ============================================================ */

/* ── Google Fonts loaded via <link> in HTML ── */

/* ── Design Tokens ── */
:root {
    --bg-base:        #0d1117;
    --bg-card:        rgba(19,25,33,0.8);
    --bg-card-solid:  #131921;
    --bg-nav:         rgba(10,15,26,0.92);
    --bg-input:       rgba(13,17,23,0.6);
    --bg-row-alt:     rgba(19,25,33,0.4);
    --bg-hover:       rgba(45,74,122,0.1);

    /* Legacy aliases (used by order.html inline styles) */
    --bg-card2:       #1a2133;
    --bg-card-hover:  #1e2840;
    --accent-dim:     rgba(230,57,70,0.15);

    --accent:         #e63946;
    --accent-hover:   #c1121f;
    --accent-glow:    rgba(230,57,70,0.3);
    --accent-tint:    rgba(230,57,70,0.08);

    --success:        #2d6a4f;
    --success-dim:    rgba(45,106,79,0.15);
    --success-text:   #4ade80;
    --warning:        #f4a261;
    --warning-bg:     rgba(245,158,11,0.15);
    --info:           #457b9d;
    --info-bg:        rgba(59,130,246,0.15);
    --purple:         #9b59b6;

    --text-primary:   #e8edf5;
    --text-secondary: #7a8ba8;
    --text-muted:     #4a5568;

    --border:         rgba(45,74,122,0.25);
    --border-hi:      rgba(45,74,122,0.4);
    --border-focus:   #2d4a7a;
    --focus-ring:     0 0 0 3px rgba(45,74,122,0.15);

    --radius-sm:      8px;
    --radius-md:      12px;
    --radius-lg:      14px;
    --radius-pill:    20px;

    --glass-blur:     blur(12px);
    --glass-shadow:   0 8px 32px rgba(0,0,0,0.3);
    --shadow-sm:      0 2px 8px rgba(0,0,0,0.2);
    --shadow-btn:     0 4px 16px rgba(230,57,70,0.3);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
}

/* ── Scrollbar ── */
* { scrollbar-width: thin; scrollbar-color: #2d4a7a var(--bg-base); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: #2d4a7a; border-radius: 3px; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}
h1 { font-size: 1.8rem; font-weight: 800; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }

p { color: var(--text-secondary); margin-bottom: 0.75rem; }

a { color: var(--accent); text-decoration: none; transition: opacity 0.15s; }
a:hover { opacity: 0.8; text-decoration: underline; }

.text-secondary { color: var(--text-secondary); font-size: 0.85rem; }

/* ── Navbar ── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-nav);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border);
}
.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.6rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.navbar-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}
.navbar-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.navbar-links {
    display: flex;
    gap: 1.5rem;
}
.navbar-links .nav-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s;
}
.navbar-links .nav-link:hover,
.navbar-links .nav-link.active {
    color: var(--text-primary);
    text-decoration: none;
}

/* ── Hero ── */
.hero {
    text-align: center;
    padding: 2rem 1rem 1rem;
}
.hero h1 { margin-bottom: 0.3rem; }
.hero p { font-size: 0.9rem; margin-bottom: 0; }

/* ── Layout ── */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.25rem 3rem;
}

/* ── Glass Recipe ── */
.glass {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* ── Cards ── */
.fpv-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.fpv-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 12px 32px rgba(0,0,0,0.35);
}
.fpv-card h2 {
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

/* ── Step Tabs (replaces old stepper) ── */
.step-tabs {
    display: flex;
    gap: 2px;
    padding: 3px;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin: 1rem 0;
}
.step-tab {
    flex: 1;
    text-align: center;
    padding: 0.5rem 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: default;
    transition: all 0.2s;
    font-family: inherit;
}
.step-tab.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    box-shadow: var(--shadow-btn);
}
.step-tab.done {
    color: var(--success-text);
    background: var(--success-dim);
    cursor: pointer;
}
.step-tab.done:hover {
    background: rgba(45,106,79,0.25);
}

/* ── Legacy stepper classes (used by order.html renderTimeline) ── */
.stepper {
    display: flex;
    align-items: center;
    padding: 1.25rem 0 1.75rem;
    overflow-x: auto;
    gap: 0;
}
.stepper-step {
    display: flex; align-items: center; flex: 1; min-width: 0;
}
.stepper-node {
    display: flex; flex-direction: column; align-items: center; gap: 0.35rem; min-width: 68px;
}
.stepper-circle {
    width: 36px; height: 36px; border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; font-weight: 700; color: var(--text-secondary);
    transition: all 0.25s; flex-shrink: 0;
}
.stepper-label {
    font-size: 0.66rem; color: var(--text-secondary); font-weight: 500;
    text-align: center; white-space: nowrap;
}
.stepper-line {
    flex: 1; height: 2px; background: var(--border);
    margin: 0 4px; margin-bottom: 1.1rem; transition: background 0.3s;
}
.stepper-step.active .stepper-circle {
    border-color: var(--accent); background: var(--accent-tint);
    color: var(--accent); box-shadow: 0 0 10px var(--accent-glow);
}
.stepper-step.active .stepper-label { color: var(--accent); font-weight: 700; }
.stepper-step.done .stepper-circle {
    border-color: var(--success); background: var(--success-dim); color: var(--success-text);
}
.stepper-step.done .stepper-label { color: var(--success-text); }
.stepper-step.done + .stepper-line,
.stepper-step.done .stepper-line { background: var(--success); }

/* ── Status Badges ── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.badge-attente         { background: var(--warning);  box-shadow: 0 0 8px rgba(244,162,97,0.4); }
.badge-attente-valid   { background: var(--purple);   box-shadow: 0 0 8px rgba(155,89,182,0.4); }
.badge-attente-paiement{ background: #e67e22;         box-shadow: 0 0 8px rgba(230,126,34,0.4); }
.badge-production      { background: var(--info);     box-shadow: 0 0 8px rgba(69,123,157,0.4); }
.badge-pret            { background: var(--success);  box-shadow: 0 0 8px rgba(45,106,79,0.4); }
.badge-expedie         { background: #6c757d;         box-shadow: 0 0 8px rgba(108,117,125,0.4); }
.badge-livre           { background: #27ae60;         box-shadow: 0 0 8px rgba(39,174,96,0.4); }
.badge-annule          { background: var(--accent);   box-shadow: 0 0 8px rgba(230,57,70,0.4); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    font-family: inherit;
}
.btn:disabled, .btn[disabled] {
    opacity: 0.45; cursor: not-allowed; pointer-events: none;
}
.btn:hover { text-decoration: none; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px var(--accent-glow);
    color: #fff;
}
.btn-primary:active { transform: scale(1); }

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}
.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-hi);
}

.btn-danger {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}
.btn-danger:hover {
    background: var(--accent-dim);
    box-shadow: 0 2px 8px var(--accent-glow);
    color: var(--accent);
}

/* ── Step Footer (renamed from .step-nav) ── */
.step-footer {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.step-footer .btn-secondary { margin-right: auto; }

/* Legacy alias */
.step-nav {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.step-nav .btn-secondary { margin-right: auto; }

/* ── Form Elements ── */
.form-group { margin-bottom: 1.1rem; }

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
    display: block;
    width: 100%;
    padding: 0.55rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--border-focus);
    box-shadow: var(--focus-ring);
}
.form-input::placeholder, .form-textarea::placeholder {
    color: var(--text-secondary); opacity: 0.5;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237a8ba8' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.2rem;
    cursor: pointer;
}
.form-select option { background: var(--bg-card-solid); color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 80px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ── File Dropzone ── */
.file-dropzone {
    background: var(--bg-input);
    border: 2px dashed var(--border-hi);
    border-radius: var(--radius-lg);
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    margin-bottom: 1rem;
}
.file-dropzone:hover, .file-dropzone.drag-over {
    border-color: var(--accent);
    background: var(--accent-tint);
}
.file-dropzone p { margin: 0.3rem 0; }
.file-dropzone p:first-child { font-weight: 600; color: var(--text-primary); font-size: 1rem; }
.file-dropzone .text-secondary { font-size: 0.8rem; }

/* File list */
.file-list { list-style: none; margin-top: 0.75rem; }
.file-list-item {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.85rem;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-primary);
}
.file-list-item .file-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list-item .file-size { color: var(--text-secondary); margin-left: 0.5rem; flex-shrink: 0; }
.file-list-item .file-remove {
    background: none; border: none; color: var(--text-secondary);
    cursor: pointer; font-size: 1rem; padding: 0 0 0 0.5rem; line-height: 1; transition: color 0.15s;
}
.file-list-item .file-remove:hover { color: var(--accent); }

/* ── Cart Items ── */
.cart-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--border-hi);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    margin-bottom: 0.6rem;
    transition: border-left-color 0.15s;
}
.cart-item:hover { border-left-color: var(--accent); }
.cart-item-header {
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
}
.cart-item-name {
    font-weight: 700; color: var(--text-primary); font-size: 0.93rem;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cart-item-params { font-size: 0.8rem; color: var(--text-secondary); margin-top: 0.2rem; }
.cart-item-qty { font-size: 0.82rem; color: var(--text-secondary); margin-top: 0.1rem; flex-shrink: 0; }

/* ── Part Config ── */
.part-config {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
}
.part-config-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.75rem 1rem; cursor: pointer;
    transition: background 0.15s; border-bottom: 1px solid var(--border);
}
.part-config-header:hover { background: var(--bg-hover); }
.part-config-header .part-title { font-weight: 700; color: var(--text-primary); font-size: 0.9rem; }
.part-config-body { padding: 1rem; }

/* ── 3D Viewer Container ── */
.viewer-container {
    position: relative; width: 100%; min-height: 200px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: visible; margin-bottom: 0.75rem;
}
.viewer-loading {
    display: flex; align-items: center; justify-content: center; flex-direction: column;
    gap: 0.75rem; padding: 2rem; color: var(--text-secondary); font-size: 0.85rem;
}
.viewer-loading .spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--border); border-top-color: var(--accent);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Annotation Toolbar ── */
.annotation-toolbar {
    display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap;
    background: var(--bg-nav);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem; margin-bottom: 0.5rem;
}
.annotation-toolbar .btn { padding: 0.35rem 0.75rem; font-size: 0.78rem; }
.annotation-toolbar .tool-divider { width: 1px; height: 20px; background: var(--border); flex-shrink: 0; }
.annotation-toolbar input[type="range"] {
    -webkit-appearance: none; appearance: none;
    width: 70px; height: 4px; background: var(--border-hi);
    border-radius: 2px; outline: none; cursor: pointer;
}
.annotation-toolbar input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 14px; height: 14px;
    border-radius: 50%; background: var(--accent); cursor: pointer;
}

.ann-btn {
    padding: 0.35rem 0.75rem; font-size: 0.78rem; border: none;
    border-radius: 6px; cursor: pointer; font-weight: 500; transition: opacity 0.15s;
}
.ann-btn:hover { opacity: 0.85; }
.annotator-wrap { position: relative; }
.annotator-wrap canvas.annotator-3d { border-radius: var(--radius-sm); }

/* ── Modal ── */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.15s ease;
}
.modal-overlay.hidden { display: none; }
.modal-dialog {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: min(90vw, 600px);
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
    animation: slideUp 0.2s ease;
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.25rem; padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); margin: 0; }
.modal-close {
    background: none; border: none; color: var(--text-secondary);
    font-size: 1.4rem; cursor: pointer; line-height: 1; padding: 0 0.25rem; transition: color 0.15s;
}
.modal-close:hover { color: var(--text-primary); }
.modal-footer {
    display: flex; gap: 0.75rem; justify-content: flex-end;
    margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── Step Panels ── */
.step-panel {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 1.75rem 1.5rem;
    margin-top: 1rem;
    animation: fadeIn 0.25s ease;
}
/* Remove inner card margin when step-panel is already a glass card */
.step-panel > .fpv-card {
    background: none;
    backdrop-filter: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin-bottom: 0;
    box-shadow: none;
}
.step-panel > .fpv-card:hover {
    transform: none;
    box-shadow: none;
}

/* ── Confirmation ── */
.confirmation-icon { font-size: 3.5rem; margin-bottom: 0.75rem; display: block; color: var(--success-text); }
.confirmation-ref { font-size: 1.1rem; font-weight: 700; color: var(--accent); margin: 0.5rem 0; }

/* ── Summary Table ── */
.summary-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; margin-bottom: 1rem; }
.summary-table th {
    text-align: left; padding: 0.5rem 0.75rem;
    background: var(--bg-input); color: var(--text-secondary);
    font-weight: 600; font-size: 0.75rem; letter-spacing: 0.05em;
    text-transform: uppercase; border-bottom: 1px solid var(--border);
}
.summary-table td { padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); color: var(--text-primary); }
.summary-table tr:last-child td { border-bottom: none; }
.summary-table tr:hover td { background: var(--bg-hover); }

/* ── Alerts ── */
.alert {
    padding: 0.75rem 1rem; border-radius: var(--radius-sm);
    font-size: 0.875rem; font-weight: 500; margin-bottom: 0.75rem;
    display: flex; align-items: center; gap: 0.6rem;
}
.alert-error   { background: rgba(230,57,70,0.12); border: 1px solid rgba(230,57,70,0.4); color: #f87171; }
.alert-success { background: var(--success-dim); border: 1px solid rgba(45,106,79,0.4); color: var(--success-text); }
.alert-info    { background: rgba(69,123,157,0.12); border: 1px solid rgba(69,123,157,0.4); color: #7ab8d9; }
.alert-warning { background: rgba(244,162,97,0.12); border: 1px solid rgba(244,162,97,0.4); color: var(--warning); }

/* ── Spinner / Loading ── */
.loading-indicator {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.75rem; color: var(--text-secondary); font-size: 0.875rem;
}

/* ── Footer ── */
.footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 1.5rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border);
}

/* ── Utility classes ── */
.hidden    { display: none !important; }
.w-full    { width: 100%; }
.mt-1      { margin-top: 0.5rem; }
.mt-2      { margin-top: 1rem; }
.mt-3      { margin-top: 1.5rem; }
.mb-1      { margin-bottom: 0.5rem; }
.mb-2      { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center{ align-items: center; }
.gap-2       { gap: 0.5rem; }
.gap-4       { gap: 1rem; }
.font-bold   { font-weight: 700; }

/* ── Backdrop-filter fallback ── */
@supports not (backdrop-filter: blur(1px)) {
    .glass, .navbar, .step-panel, .modal-dialog, .fpv-card, .step-tabs, .part-config {
        background: var(--bg-card-solid);
    }
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .container { padding: 0 0.75rem 2rem; }
    .fpv-card { padding: 1.25rem 1rem; }
    .step-panel { padding: 1.25rem 1rem; }
    .navbar-inner { padding: 0.5rem 0.75rem; }
    .navbar-links { gap: 0.75rem; font-size: 0.75rem; }
    .form-row { grid-template-columns: 1fr; }
    .step-tab { font-size: 0.65rem; padding: 0.4rem 0.15rem; }
    .stepper-label { display: none; }
    .stepper-node { min-width: 36px; }
    .step-footer, .step-nav { flex-wrap: wrap; }
    .modal-dialog { padding: 1.25rem; }
    .viewer-container { min-height: 300px; }
    .hero h1 { font-size: 1.4rem; }
}

@media (min-width: 641px) {
    .form-row-3 {
        display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem;
    }
}