/* ===================================================
   D-Flector Customer Portal - Stitch Design System
   Primary: #F89833 | Background: #0e0e0e | Inter
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

:root {
    --primary: #F89833;
    --on-primary: #000000;
    --bg: #0e0e0e;
    --surface: #131313;
    --surface-container: #1c1b1b;
    --surface-high: #2a2a2a;
    --on-surface: #ffffff;
    --on-surface-variant: #7a6a58;
    --outline: #2a2a2a;
    --outline-variant: #3d3d3d;
    --danger: #ef4444;
    --success: #22c55e;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--on-surface);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: all 0.2s; }
a:hover { color: #ffbd81; }

/* Ensure links/buttons sit above decorative ::before overlays */
.hero a, .card a, .hero .btn, .card .btn,
.welcome-bar a, .welcome-bar .btn { position: relative; z-index: 2; }
img { max-width: 100%; height: auto; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--outline-variant); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* --- Layout --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2.4rem; }
.container--narrow { max-width: 560px; }
.container--medium { max-width: 900px; }

/* --- Navbar --- */
.navbar {
    background: var(--surface);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 6.4rem;
    border-bottom: 1px solid var(--outline);
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    color: var(--primary);
    font-weight: 900;
    font-size: 2rem;
    letter-spacing: -0.05em;
}

.navbar__brand svg { flex-shrink: 0; }

.navbar__brand span { color: var(--primary); }

.navbar__brand-sub {
    color: var(--on-surface-variant);
    font-weight: 400;
    font-size: 1.3rem;
    letter-spacing: 0;
}

.navbar__links {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    list-style: none;
}

.navbar__links a {
    color: var(--on-surface-variant);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 0.8rem 1.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: all 0.2s;
}

.navbar__links a:hover,
.navbar__links a.active {
    color: var(--primary);
}

.navbar__links .btn--nav {
    background: var(--primary);
    color: var(--on-primary);
    padding: 1rem 2.4rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    font-size: 1.1rem;
}

.navbar__links .btn--nav:hover {
    background: #e5861e;
    color: var(--on-primary);
}

.navbar__toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary);
    font-size: 2.4rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .navbar__toggle { display: block; }
    .navbar__links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        padding: 2rem;
        gap: 0.4rem;
        border-bottom: 1px solid var(--outline);
    }
    .navbar__links.open { display: flex; }
}

/* --- Hero --- */
.hero {
    background: var(--bg);
    color: var(--on-surface);
    padding: 14rem 0 10rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 6.4rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(248,152,51,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero .container { position: relative; z-index: 2; }

.hero h1 {
    font-size: 5.6rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    position: relative;
    line-height: 1.1;
}

.hero h1 span { color: var(--primary); }

.hero p {
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--on-surface-variant);
    max-width: 520px;
    margin: 0 auto 3.5rem;
    position: relative;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .hero { padding: 10rem 0 6rem; }
    .hero h1 { font-size: 3.6rem; }
    .hero p { font-size: 1.4rem; }
}

/* --- Sections --- */
.section { padding: 6rem 0; }
.section--white { background: var(--surface); }
.section--gray { background: var(--bg); }
.section--dark { background: var(--surface); color: var(--on-surface); }

.section__title {
    font-size: 2.4rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.8rem;
    letter-spacing: -0.02em;
}

.section__subtitle {
    font-size: 1.4rem;
    text-align: center;
    color: var(--on-surface-variant);
    margin-bottom: 4rem;
    font-weight: 400;
}

/* --- Cards --- */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--surface-container);
    padding: 3rem;
    border: 1px solid var(--outline);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(248,152,51,0.03) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
    z-index: 0;
}

.card:hover {
    border-color: rgba(248,152,51,0.4);
    transform: translateY(-2px);
}

.card:hover::before { opacity: 1; }

.card__icon {
    width: 52px;
    height: 52px;
    background: rgba(248,152,51,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: var(--primary);
    position: relative;
}

.card__title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    position: relative;
}

.card__text {
    color: var(--on-surface-variant);
    font-size: 1.3rem;
    line-height: 1.7;
    position: relative;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
    background: var(--primary);
    color: var(--on-primary);
}
.btn--primary:hover {
    background: #e5861e;
    color: var(--on-primary);
    box-shadow: 0 4px 20px rgba(248,152,51,0.25);
}

.btn--dark {
    background: var(--surface-container);
    color: var(--on-surface);
    border: 1px solid var(--outline);
}
.btn--dark:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}
.btn--outline:hover {
    background: var(--primary);
    color: var(--on-primary);
}

.btn--large { padding: 1.6rem 4rem; font-size: 1.2rem; }
.btn--block { display: block; width: 100%; }

.btn--white {
    background: var(--surface-container);
    color: var(--on-surface);
    border: 1px solid var(--outline);
}
.btn--white:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* --- Forms --- */
.form-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    margin-top: 6.4rem;
}

.form-card {
    background: var(--surface);
    padding: 4rem;
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--outline);
}

.form-card__title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.form-card__subtitle {
    color: var(--on-surface-variant);
    font-size: 1.3rem;
    margin-bottom: 3rem;
}

.form-group { margin-bottom: 2rem; }

.form-group label {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--on-surface-variant);
    margin-bottom: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group label .required { color: var(--primary); }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.2rem 1.4rem;
    font-family: 'Inter', sans-serif;
    font-size: 1.4rem;
    border: 1px solid var(--outline);
    background: var(--surface-container);
    color: var(--on-surface);
    transition: all 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(248,152,51,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--on-surface-variant);
    opacity: 0.5;
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23F89833' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.4rem center;
    padding-right: 4rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 500px) { .form-row { grid-template-columns: 1fr; } }

.form-group .help-text { font-size: 1.1rem; color: var(--on-surface-variant); margin-top: 0.4rem; }
.form-group .error-text { font-size: 1.1rem; color: var(--danger); margin-top: 0.4rem; }

.form-divider { border: none; border-top: 1px solid var(--outline); margin: 3rem 0; }

.checkbox-group { display: flex; align-items: flex-start; gap: 1rem; }
.checkbox-group input[type="checkbox"] { width: auto; margin-top: 0.3rem; accent-color: var(--primary); }
.checkbox-group label {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--on-surface-variant);
    text-transform: none;
    letter-spacing: 0;
}

/* --- Alerts --- */
.alert { padding: 1.5rem 2rem; margin-bottom: 2rem; font-size: 1.3rem; border-left: 3px solid; }
.alert--success { background: rgba(34,197,94,0.1); color: #4ade80; border-color: var(--success); }
.alert--error { background: rgba(239,68,68,0.1); color: #f87171; border-color: var(--danger); }
.alert--info { background: rgba(248,152,51,0.08); color: var(--primary); border-color: var(--primary); }

/* --- Wizard (Multi-step Form) --- */
.wizard {
    background: var(--surface);
    border: 1px solid var(--outline);
    margin: 4rem auto;
    margin-top: calc(6.4rem + 3rem);
}

.wizard__header {
    background: var(--surface);
    padding: 3rem;
    border-bottom: 1px solid var(--outline);
}

.wizard__title {
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: 0.4rem;
    letter-spacing: -0.03em;
    color: var(--on-surface);
}

.wizard__subtitle {
    font-size: 1.2rem;
    color: var(--on-surface-variant);
    font-weight: 400;
    letter-spacing: 0.02em;
}

.wizard__progress { display: flex; margin-top: 2.5rem; gap: 0; position: relative; }

.wizard__step { flex: 1; text-align: center; position: relative; padding-top: 3rem; }

.wizard__step::before {
    content: attr(data-step);
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 28px; height: 28px;
    background: var(--surface-high);
    color: var(--on-surface-variant);
    font-size: 1.1rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.wizard__step::after {
    content: '';
    position: absolute;
    top: 14px; left: 0; right: 0;
    height: 2px;
    background: var(--surface-high);
    z-index: 1;
}

.wizard__step:first-child::after { left: 50%; }
.wizard__step:last-child::after { right: 50%; }

.wizard__step.active::before,
.wizard__step.completed::before {
    background: var(--primary);
    color: var(--on-primary);
}

.wizard__step.active::after,
.wizard__step.completed::after {
    background: var(--primary);
}

.wizard__step-label {
    font-size: 1rem;
    color: var(--on-surface-variant);
    font-weight: 700;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.wizard__step.active .wizard__step-label,
.wizard__step.completed .wizard__step-label { color: var(--primary); }

.wizard__body { padding: 4rem; }
.wizard__page { display: none; }
.wizard__page.active { display: block; }

.wizard__page h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--on-surface);
    letter-spacing: -0.01em;
}

.wizard__page p.desc {
    font-size: 1.3rem;
    color: var(--on-surface-variant);
    margin-bottom: 3rem;
}

.wizard__footer {
    display: flex;
    justify-content: space-between;
    padding: 2rem 4rem 3rem;
    border-top: 1px solid var(--outline);
}

@media (max-width: 768px) {
    .wizard__body { padding: 2rem; }
    .wizard__footer { padding: 2rem; }
    .wizard__step-label { display: none; }
}

/* --- Account Type Selector --- */
.account-type-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
}

.account-type-option {
    border: 1px solid var(--outline);
    background: var(--surface-container);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.account-type-option:hover { border-color: rgba(248,152,51,0.5); }

.account-type-option.selected {
    border-color: var(--primary);
    background: rgba(248,152,51,0.05);
}

.account-type-option.selected::after {
    content: '\2713';
    position: absolute;
    top: 1rem; right: 1rem;
    background: var(--primary);
    color: var(--on-primary);
    width: 22px; height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
}

.account-type-option h4 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--on-surface);
}

.account-type-option p { font-size: 1.2rem; color: var(--on-surface-variant); }
.account-type-option input[type="radio"] { position: absolute; opacity: 0; }

@media (max-width: 500px) { .account-type-selector { grid-template-columns: 1fr; } }

/* --- Reference Block --- */
.ref-block {
    background: var(--surface-container);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--primary);
}

.ref-block h4 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- Signature Pad --- */
.signature-pad-wrapper {
    border: 2px solid var(--primary);
    background: #1a1a1a;
    position: relative;
}

.signature-pad-wrapper canvas { width: 100%; height: 200px; cursor: crosshair; background: #1a1a1a; }

.signature-pad-wrapper .clear-btn {
    position: absolute;
    top: 0.5rem; right: 0.5rem;
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 0.4rem 1rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- Success Page --- */
.success-page { text-align: center; padding: 8rem 2rem; margin-top: 6.4rem; }

.success-icon {
    width: 90px; height: 90px;
    background: rgba(248,152,51,0.1);
    color: var(--primary);
    font-size: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    border-radius: 50%;
}

.success-page h2 {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.success-page .ref-number {
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 800;
    background: rgba(248,152,51,0.08);
    padding: 1rem 2.5rem;
    display: inline-block;
    margin: 1rem 0 2rem;
    border: 1px solid rgba(248,152,51,0.2);
    letter-spacing: 0.05em;
}

/* --- Admin Dashboard --- */
.admin-header {
    background: var(--surface);
    padding: 2rem 0;
    border-bottom: 1px solid var(--outline);
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
}

.admin-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-header h1 {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.admin-header h1 span { color: var(--primary); }

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--surface-container);
    padding: 2.5rem;
    text-align: center;
    border: 1px solid var(--outline);
    transition: border-color 0.3s;
}

.stat-card:hover { border-color: rgba(248,152,51,0.3); }

.stat-card__number {
    font-size: 3.6rem;
    font-weight: 900;
    color: var(--primary);
}

.stat-card__label {
    font-size: 1.1rem;
    color: var(--on-surface-variant);
    font-weight: 700;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- Data Table --- */
.data-table-wrapper {
    background: var(--surface);
    border: 1px solid var(--outline);
    overflow-x: auto;
}

.data-table-header {
    padding: 2rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--outline);
}

.data-table-header h2 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1.3rem;
}

.data-table th {
    background: var(--surface-container);
    padding: 1.2rem 1.5rem;
    text-align: left;
    font-weight: 800;
    font-size: 1rem;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-bottom: 1px solid var(--outline);
}

.data-table td {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--outline);
    vertical-align: middle;
}

.data-table tr:hover td { background: var(--surface-container); }

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badge--submitted { background: rgba(248,152,51,0.1); color: var(--primary); }
.badge--approved { background: rgba(34,197,94,0.1); color: #4ade80; }
.badge--rejected { background: rgba(239,68,68,0.1); color: #f87171; }
.badge--reviewing { background: rgba(96,165,250,0.1); color: #60a5fa; }
.badge--credit { background: rgba(248,152,51,0.1); color: var(--primary); }
.badge--proforma { background: var(--surface-high); color: var(--on-surface-variant); }

.action-link {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- Footer --- */
.footer {
    background: var(--surface);
    color: var(--on-surface-variant);
    padding: 3rem 0;
    margin-top: auto;
    font-size: 1.2rem;
    border-top: 1px solid var(--outline);
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer a { color: var(--primary); }

/* --- Customer Dashboard --- */
.customer-dashboard { padding: 4rem 0; margin-top: 6.4rem; }

.welcome-bar {
    background: var(--surface-container);
    padding: 2.5rem 3rem;
    margin-bottom: 3rem;
    border: 1px solid var(--outline);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.welcome-bar h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.welcome-bar h2 span { color: var(--primary); }

/* --- Utilities --- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.credit-only { display: none; }
.credit-only.show { display: block; }

/* --- Loading Overlay --- */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(14,14,14,0.85);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay.active { display: flex; }

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

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

/* --- Print --- */
@media print {
    .navbar, .footer, .wizard__footer, .btn, .no-print { display: none !important; }
    body { background: #fff; color: #000; }
    .wizard { box-shadow: none; border: 1px solid #ccc; }
    .wizard__body { padding: 1rem; }
}