:root {
    --bg: #f8f9fc;
    --panel: #ffffff;
    --panel-hover: #fafbfd;
    --text: #0f1320;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border: #e5e7eb;
    --border-strong: #d1d5db;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: rgba(59, 130, 246, 0.08);
    --accent-glow: rgba(59, 130, 246, 0.25);
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    --success-text: #059669;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --warning-text: #d97706;
    --error-bg: #fef2f2;
    --error-border: #fecaca;
    --error-text: #dc2626;
    --info-bg: #eff6ff;
    --info-border: #bfdbfe;
    --info-text: #2563eb;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow-sm: 0 1px 3px rgba(15, 19, 32, 0.06), 0 1px 2px rgba(15, 19, 32, 0.04);
    --shadow: 0 4px 12px rgba(15, 19, 32, 0.08), 0 2px 4px rgba(15, 19, 32, 0.04);
    --shadow-lg: 0 12px 28px rgba(15, 19, 32, 0.12), 0 4px 8px rgba(15, 19, 32, 0.06);
    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1117;
        --panel: #1a1d28;
        --panel-hover: #1e2130;
        --text: #f3f4f6;
        --text-secondary: #9ca3af;
        --text-tertiary: #6b7280;
        --border: #2d3140;
        --border-strong: #3d4255;
        --accent: #60a5fa;
        --accent-hover: #93bbfd;
        --accent-light: rgba(96, 165, 250, 0.1);
        --accent-glow: rgba(96, 165, 250, 0.2);
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
        --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.4);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition), color var(--transition);
}

/* --- Shell --- */
.shell {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 40px 0 60px;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--bg);
}

/* --- Topbar --- */
.topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text);
}

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
    color: var(--text);
}

/* --- Panels --- */
.layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.panel:hover {
    box-shadow: var(--shadow-lg);
}

.auth-panel {
    width: min(440px, 100%);
    text-align: center;
}

.auth-panel .eyebrow {
    margin-bottom: 8px;
}

.auth-panel h1 {
    margin-bottom: 4px;
}

.auth-panel .auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* --- Form Groups --- */
.form-group {
    margin-bottom: 24px;
}

.form-group > label,
.form-group > .field-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-weight: 600;
    font-size: 0.875rem;
}

.field-label-sub {
    display: block;
    margin-top: 2px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.8rem;
}

/* --- Inputs --- */
input[type="text"],
input[type="password"],
textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font: inherit;
    font-size: 0.9rem;
    color: var(--text);
    background: var(--panel);
    transition: border-color var(--transition), box-shadow var(--transition);
}

input[type="text"]::placeholder,
input[type="password"]::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-light);
}

textarea {
    min-height: 80px;
    resize: vertical;
}

/* Input validation states */
input.invalid,
textarea.invalid {
    border-color: var(--error-text);
    box-shadow: 0 0 0 3px var(--error-bg);
}

input.invalid:focus,
textarea.invalid:focus {
    box-shadow: 0 0 0 3px var(--error-border);
}

/* Inline error hint */
.field-error {
    margin-top: 6px;
    color: var(--error-text);
    font-size: 0.8rem;
    font-weight: 500;
    display: none;
}

.field-error.visible {
    display: block;
    animation: fadeIn 0.2s ease;
}

/* Password toggle */
.password-wrapper {
    position: relative;
}

.password-wrapper input[type="password"],
.password-wrapper input[type="text"] {
    padding-right: 44px;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    width: auto;
    min-height: auto;
    font-size: 1rem;
    line-height: 1;
    border-radius: 4px;
    transition: color var(--transition);
}

.password-toggle:hover {
    color: var(--text);
}

/* --- Choice Grids --- */
.choice-grid,
.size-grid {
    display: grid;
    gap: 10px;
}

.choice-grid {
    grid-template-columns: repeat(3, 1fr);
}

.size-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* Choice cards */
.choice,
.size-option {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 56px;
    margin: 0;
    padding: 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--panel);
    transition: all var(--transition);
}

.choice:hover,
.size-option:hover {
    border-color: var(--accent);
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.choice input,
.size-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Checked state */
.choice input:checked + .choice-check,
.size-option input:checked {
    /* handled below */
}

.choice:has(input:checked),
.size-option:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-light);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

/* Check mark indicator */
.choice::before {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-strong);
    border-radius: 50%;
    transition: all var(--transition);
}

.choice:has(input:checked)::before {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: inset 0 0 0 3px var(--panel);
}

.choice span {
    font-weight: 500;
    font-size: 0.875rem;
}

/* --- Size Options --- */
.size-option {
    text-align: center;
    padding: 16px 12px;
    min-height: auto;
}

.size-option .size-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.size-option span:not(.size-title) {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Size images */
.size-img {
    display: block;
    width: 100%;
    max-width: 130px;
    height: auto;
    margin: 0 auto 8px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: all var(--transition);
}

.size-option:hover .size-img {
    transform: scale(1.04);
    box-shadow: var(--shadow);
}

.size-option:has(input:checked) .size-img {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

/* --- Summary Bar --- */
.summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 24px 0;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    transition: all var(--transition);
}

.summary.active {
    border-color: var(--accent);
    background: var(--accent-light);
}

.summary div {
    text-align: center;
    padding: 8px 4px;
}

.summary span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.summary strong {
    display: block;
    margin-top: 4px;
    font-size: 1.1rem;
    color: var(--text);
    transition: color var(--transition);
}

.summary.active strong {
    color: var(--accent);
}

/* --- Buttons --- */
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: #ffffff;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.link-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--panel);
    color: var(--text);
    font: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
}

.link-button:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
}

/* --- Messages --- */
.success-message,
.error-message {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.success-message {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
}

.error-message {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error-text);
}

.info-message {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    color: var(--info-text);
}

.warning-message {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-text);
}

/* --- Status Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-queued {
    background: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid var(--warning-border);
}

.badge-deployed_to_netbox,
.badge-deployed {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-border);
}

.badge-pending {
    background: var(--info-bg);
    color: var(--info-text);
    border: 1px solid var(--info-border);
}

.badge-error,
.badge-failed {
    background: var(--error-bg);
    color: var(--error-text);
    border: 1px solid var(--error-border);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

.badge-deployed_to_netbox .badge-dot,
.badge-deployed .badge-dot {
    animation: none;
}

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

.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th {
    padding: 10px 12px;
    border-bottom: 2px solid var(--border);
    text-align: left;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    color: var(--text);
}

tbody tr {
    transition: background var(--transition);
}

tbody tr:hover {
    background: var(--accent-light);
}

tbody tr:last-child td {
    border-bottom: none;
}

.td-timestamp {
    color: var(--text-secondary);
    font-size: 0.8rem;
    white-space: nowrap;
}

.empty-state {
    padding: 32px 0;
    text-align: center;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
    opacity: 0.4;
}

/* --- Confirm Dialog --- */
.confirm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    place-items: center;
    animation: fadeIn 0.15s ease;
}

.confirm-overlay.visible {
    display: grid;
}

.confirm-box {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 420px;
    width: calc(100% - 32px);
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.2s ease;
}

.confirm-box h2 {
    margin-bottom: 8px;
}

.confirm-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.confirm-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.confirm-actions .link-button {
    width: auto;
}

.confirm-actions button {
    width: auto;
    min-width: 100px;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

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

/* Spinner for button loading */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .shell {
        padding: 20px 0 40px;
    }

    .panel {
        padding: 20px;
    }

    .choice-grid,
    .size-grid {
        grid-template-columns: 1fr;
    }

    .summary {
        grid-template-columns: 1fr;
    }

    .topbar {
        flex-direction: column;
        gap: 12px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .confirm-actions {
        flex-direction: column-reverse;
    }

    .confirm-actions .link-button,
    .confirm-actions button {
        width: 100%;
    }
}

/* --- Shop Page --- */
.shop-page {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 40px 0 60px;
}

/* --- Nav Links --- */
.nav-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--text);
    background: var(--accent-light);
}

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

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 32px 0 24px;
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.hero-sub {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- Product Grid --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* --- Product Card --- */
.product-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition-slow);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--accent);
}

.product-media {
    padding: 24px 24px 0;
    text-align: center;
}

.product-media img {
    max-width: 100%;
    width: 320px;
    height: auto;
    border-radius: var(--radius-sm);
    transition: transform var(--transition);
}

.product-card:hover .product-media img {
    transform: scale(1.03);
}

.product-body {
    padding: 20px 24px 24px;
    text-align: center;
}

.product-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.product-specs {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    text-align: left;
    display: inline-block;
}

.product-specs li {
    padding: 6px 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.product-specs li:last-child {
    border-bottom: none;
}

.product-specs strong {
    color: var(--text);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    width: 100%;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
    width: auto;
}

/* --- Breadcrumb --- */
.breadcrumb {
    display: inline-block;
    margin: 0 0 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.breadcrumb:hover {
    color: var(--accent);
}

/* --- Order Layout --- */
.order-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 24px;
    align-items: start;
}

.order-preview {
    text-align: center;
}

.order-preview-img {
    width: 100%;
    max-width: 380px;
    height: auto;
    margin: 0 auto 16px;
    display: block;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.order-preview h2 {
    margin-bottom: 16px;
}

.order-specs {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.order-specs li {
    padding: 10px 14px;
    margin-bottom: 6px;
    font-size: 0.875rem;
    color: var(--text);
    background: var(--bg);
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
}

.order-specs li:last-child {
    margin-bottom: 0;
}

/* --- Order Form --- */
.order-form h2 {
    margin-bottom: 20px;
}

/* --- Requests --- */
.requests-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.requests-panel .success-message {
    margin-bottom: 20px;
}

/* --- Cancel Button --- */
.cancel-btn {
    padding: 6px 12px;
    min-height: 32px;
    width: auto;
    font-size: 0.78rem;
    font-weight: 500;
    border: 1px solid var(--error-border);
    background: var(--error-bg);
    color: var(--error-text);
    border-radius: var(--radius-xs);
}

.cancel-btn:hover {
    background: var(--error-border);
    box-shadow: none;
    transform: none;
}

/* --- Print --- */
@media print {
    body { background: #fff; }
    .panel { box-shadow: none; border: 1px solid #ccc; }
    button, .link-button { display: none; }
}