/* =========================================================
   Shopelligence — Auth Pages
   Luxury editorial dark aesthetic
   Fonts: DM Serif Display (headings) + DM Sans (body)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ── Variables ── */
:root {
    --se-bg:          #0e0e0e;
    --se-bg-surface:  #161616;
    --se-bg-card:     #1a1a1a;
    --se-border:      rgba(255,255,255,0.08);
    --se-border-hover:rgba(255,255,255,0.16);
    --se-text:        #f0ebe0;
    --se-text-muted:  #857f73;
    --se-text-subtle: #4a4540;
    --se-accent:      #f5a623;
    --se-accent-dark: #c47e0a;
    --se-accent-glow: rgba(245,166,35,0.18);
    --se-error:       #e05555;
    --se-grid:        rgba(255,255,255,0.03);
    --se-radius:      6px;
    --se-radius-lg:   12px;
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--se-bg);
    color: var(--se-text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Grid Background (matches hero) ── */
.auth-grid-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(var(--se-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--se-grid) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* ── Ambient glow (bottom-right corner warmth) ── */
.auth-ambient {
    position: fixed;
    bottom: -120px;
    right: -80px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245,166,35,0.07) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* ── Page wrapper ── */
.auth-page {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* ── Card ── */
.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--se-bg-card);
    border: 1px solid var(--se-border);
    border-radius: var(--se-radius-lg);
    padding: 2.75rem 2.5rem 2.5rem;
    position: relative;
}

/* thin top accent bar */
.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 2rem; right: 2rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--se-accent), transparent);
    opacity: 0.6;
    border-radius: 999px;
}

/* ── Logo ── */
.auth-logo {
    display: block;
    margin-bottom: 2rem;
}

.auth-logo img {
    height: 28px;
    width: auto;
}

/* Fallback wordmark when SVG unavailable */
.auth-logo-wordmark {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--se-text);
    text-decoration: none;
    display: inline-block;
}

.auth-logo-wordmark span {
    color: var(--se-accent);
}

/* ── Headings ── */
.auth-heading {
    font-family: 'DM Serif Display', serif;
    font-size: 1.75rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--se-text);
    margin-bottom: 0.35rem;
    letter-spacing: -0.01em;
}

.auth-subheading {
    font-size: 0.875rem;
    color: var(--se-text-muted);
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: 0.01em;
}

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

.se-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--se-text-muted);
    margin-bottom: 0.45rem;
}

.se-input {
    width: 100%;
    background: var(--se-bg-surface);
    border: 1px solid var(--se-border);
    border-radius: var(--se-radius);
    padding: 0.75rem 1rem;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--se-text);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    outline: none;
    -webkit-appearance: none;
}

.se-input::placeholder {
    color: var(--se-text-subtle);
}

.se-input:hover {
    border-color: var(--se-border-hover);
}

.se-input:focus {
    border-color: var(--se-accent);
    box-shadow: 0 0 0 3px var(--se-accent-glow);
    background: #1e1c19;
}

.se-input.is-invalid {
    border-color: var(--se-error);
    box-shadow: 0 0 0 3px rgba(224,85,85,0.12);
}

/* ── Validation feedback ── */
.se-invalid-feedback {
    display: block;
    font-size: 0.8rem;
    color: var(--se-error);
    margin-top: 0.35rem;
    font-weight: 400;
}

/* ── Submit button ── */
.se-btn-primary {
    display: block;
    width: 100%;
    background: var(--se-accent);
    color: #0e0e0e;
    border: none;
    border-radius: var(--se-radius);
    padding: 0.85rem 1.5rem;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.se-btn-primary:hover {
    background: #f7b23a;
    box-shadow: 0 4px 20px rgba(245,166,35,0.3);
    transform: translateY(-1px);
}

.se-btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
    background: var(--se-accent-dark);
}

/* ── Footer links ── */
.auth-footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    font-size: 0.8125rem;
}

.se-link {
    color: var(--se-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.se-link:hover {
    color: var(--se-text);
}

.se-link-accent {
    color: var(--se-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.se-link-accent:hover {
    color: #f7b23a;
    text-decoration: underline;
}

.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.8125rem;
    color: var(--se-text-muted);
    padding-top: 1.25rem;
    border-top: 1px solid var(--se-border);
}

/* ── Divider ── */
.se-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.5rem 0;
    color: var(--se-text-subtle);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
}

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

/* ── Name row (register: first + last side by side) ── */
.se-name-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

/* ── Password strength bar ── */
.se-strength-bar {
    display: flex;
    gap: 4px;
    margin-top: 0.5rem;
}

.se-strength-bar span {
    flex: 1;
    height: 3px;
    border-radius: 999px;
    background: var(--se-border);
    transition: background 0.3s;
}

.se-strength-bar.s1 span:nth-child(1) { background: var(--se-error); }
.se-strength-bar.s2 span:nth-child(-n+2) { background: #e09040; }
.se-strength-bar.s3 span:nth-child(-n+3) { background: var(--se-accent); }
.se-strength-bar.s4 span { background: #5cb85c; }

.se-strength-label {
    font-size: 0.72rem;
    color: var(--se-text-muted);
    margin-top: 0.3rem;
    min-height: 1rem;
}

/* ── Terms checkbox ── */
.se-checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.se-checkbox-row input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--se-accent);
    flex-shrink: 0;
    width: 15px;
    height: 15px;
    cursor: pointer;
}

.se-checkbox-row label {
    font-size: 0.8rem;
    color: var(--se-text-muted);
    line-height: 1.5;
    cursor: pointer;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }
    .se-name-row {
        grid-template-columns: 1fr;
    }
}