/* =====================================================
   RIVERTECH - Auth Pages Dark Theme
   Matches welcome-landing.css design system
   Color: Cyan #06B6D4 | BG: #000000
   ===================================================== */

/* ======================== VARIABLES ======================== */
:root {
    --auth-bg:          #000000;
    --auth-bg-2:        #09090B;
    --auth-bg-3:        #18181B;
    --auth-bg-4:        #27272A;
    --primary:          #06B6D4;
    --primary-dark:     #0891b2;
    --primary-light:    #22d3ee;
    --primary-rgb:      6, 182, 212;
    --text-primary:     #FFFFFF;
    --text-secondary:   #E4E4E7;
    --text-muted:       #A1A1AA;
    --text-faint:       #71717A;
    --success:          #22C55E;
    --danger:           #EF4444;
    --warning:          #F59E0B;
    --font:             'Plus Jakarta Sans', 'Inter', sans-serif;
    --radius:           14px;
    --radius-sm:        10px;
    --transition:       all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ======================== BASE ======================== */
.auth-page *,
.auth-page *::before,
.auth-page *::after { box-sizing: border-box; }

.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--auth-bg);
    font-family: var(--font);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    padding: 24px 16px;
}

/* ======================== ANIMATED BACKGROUND ORBS ======================== */
.auth-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }

.auth-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.12;
    animation: orbFloat 20s ease-in-out infinite;
}

.auth-orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--primary), transparent 70%);
    top: -200px; right: -100px;
    animation-delay: 0s;
}

.auth-orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #3B82F6, transparent 70%);
    bottom: -150px; left: -100px;
    animation-delay: -8s;
}

.auth-orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, var(--primary), transparent 70%);
    top: 50%; left: 40%;
    animation-delay: -14s;
    opacity: 0.06;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(30px, -40px) scale(1.05); }
    66%       { transform: translate(-20px, 20px) scale(0.95); }
}

/* ======================== CARD ======================== */
.auth-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 920px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.auth-card {
    width: 100%;
    background: rgba(24, 24, 27, 0.85);
    border: 1px solid rgba(var(--primary-rgb), 0.18);
    border-radius: 24px;
    box-shadow: 0 0 0 1px rgba(255,255,255,0.03),
                0 32px 80px rgba(0,0,0,0.7),
                0 0 60px rgba(var(--primary-rgb), 0.06);
    backdrop-filter: blur(24px);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

/* Single column for focused pages (forgot, reset) */
.auth-card.auth-card-single {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
}

/* ======================== LEFT PANEL ======================== */
.auth-left {
    background: linear-gradient(145deg, rgba(var(--primary-rgb), 0.07) 0%, rgba(9,9,11,0.5) 100%);
    border-right: 1px solid rgba(var(--primary-rgb), 0.12);
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.auth-left-logo {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-logo-ring {
    width: 140px; height: 140px;
    border-radius: 50%;
    background: var(--auth-bg-3);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    display: flex; align-items: center; justify-content: center;
    position: relative;
    box-shadow: 0 0 40px rgba(var(--primary-rgb), 0.12), inset 0 0 30px rgba(var(--primary-rgb), 0.05);
}

.auth-logo-ring::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px dashed rgba(var(--primary-rgb), 0.2);
    animation: ringRotate 18s linear infinite;
}

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

.auth-logo-img {
    width: 80px; height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 0 16px rgba(var(--primary-rgb), 0.4));
}

.auth-left-text { text-align: center; }

.auth-left-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.3;
}

.auth-left-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.auth-feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.auth-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: rgba(var(--primary-rgb), 0.05);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.auth-feature:hover {
    background: rgba(var(--primary-rgb), 0.1);
    border-color: rgba(var(--primary-rgb), 0.25);
}

.auth-feature-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

.auth-feature-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.auth-feature-label strong {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.auth-feature-label span {
    font-size: 11px;
    color: var(--text-muted);
}

/* ======================== RIGHT PANEL ======================== */
.auth-right {
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
}

.auth-right.auth-right-padded { padding: 48px 48px; }

/* Mobile logo (hidden on desktop) */
.auth-mobile-logo {
    display: none;
    width: 52px; height: 52px;
    object-fit: contain;
    margin: 0 auto 8px;
    filter: drop-shadow(0 0 12px rgba(var(--primary-rgb), 0.4));
}

.auth-form-header { text-align: center; }

.auth-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-muted);
}

/* ======================== ALERTS ======================== */
.auth-alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid;
    font-size: 13px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.auth-alert-success {
    background: rgba(34, 197, 94, 0.08);
    border-color: var(--success);
    color: #86efac;
}

.auth-alert-error {
    background: rgba(239, 68, 68, 0.08);
    border-color: var(--danger);
    color: #fca5a5;
}

.auth-alert-icon { flex-shrink: 0; margin-top: 1px; }
.auth-alert-content ul { margin: 4px 0 0; padding-left: 16px; }
.auth-alert-content li { margin-bottom: 2px; }

/* ======================== FORM ======================== */
.auth-form { display: flex; flex-direction: column; gap: 18px; }

.auth-field { display: flex; flex-direction: column; gap: 6px; }

.auth-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.auth-label svg { color: var(--primary); flex-shrink: 0; }

.auth-input-wrap { position: relative; }

.auth-input {
    width: 100%;
    padding: 11px 14px 11px 42px;
    background: var(--auth-bg-3);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 14px;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
    appearance: none;
}

.auth-input::placeholder { color: var(--text-faint); }

.auth-input:focus {
    border-color: rgba(var(--primary-rgb), 0.6);
    background: rgba(24, 24, 27, 0.9);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.auth-input.auth-input-error {
    border-color: rgba(239, 68, 68, 0.6);
}

.auth-input.auth-input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.auth-input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-faint);
    pointer-events: none;
    transition: var(--transition);
}

.auth-input-wrap:focus-within .auth-input-icon { color: var(--primary); }

.auth-input-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-faint);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.auth-input-toggle:hover { color: var(--primary); }

/* Select */
.auth-input select,
select.auth-input {
    cursor: pointer;
}

/* Error message */
.auth-field-error {
    font-size: 12px;
    color: #f87171;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ======================== REMEMBER / OPTIONS ROW ======================== */
.auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.auth-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-muted);
    user-select: none;
}

.auth-checkbox {
    width: 16px; height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
    border-radius: 4px;
}

.auth-forgot-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.auth-forgot-link:hover { color: var(--primary-light); text-decoration: underline; }

/* ======================== PASSWORD STRENGTH ======================== */
.auth-strength { margin-top: 6px; }

.auth-strength-bars {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
}

.auth-strength-bar {
    height: 3px;
    flex: 1;
    background: var(--auth-bg-4);
    border-radius: 4px;
    transition: var(--transition);
}

.auth-strength-label {
    font-size: 11px;
    color: var(--text-muted);
}

.auth-strength-label span { font-weight: 600; }

/* ======================== BUTTONS ======================== */
.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 24px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.35);
    letter-spacing: 0.2px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.5);
    color: #fff;
}

.auth-btn:active { transform: translateY(0); }

.auth-btn svg { flex-shrink: 0; }

/* ======================== LINKS & FOOTER ======================== */
.auth-link-row {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

.auth-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.auth-link:hover { color: var(--primary-light); text-decoration: underline; }

.auth-back {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    padding: 8px;
    border-radius: 8px;
}

.auth-back:hover {
    color: var(--text-primary);
    background: rgba(var(--primary-rgb), 0.06);
}

.auth-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), 0.15), transparent);
    margin: 4px 0;
}

/* ======================== PAGE FOOTER ======================== */
.auth-page-footer {
    font-size: 12px;
    color: var(--text-faint);
    text-align: center;
}

/* ======================== RESPONSIVE ======================== */
@media (max-width: 768px) {
    .auth-card { grid-template-columns: 1fr; }
    .auth-left { display: none; }
    .auth-mobile-logo { display: block; }
    .auth-right { padding: 36px 24px; }
    .auth-title { font-size: 22px; }
}

@media (max-width: 480px) {
    .auth-page { padding: 16px 12px; }
    .auth-right { padding: 28px 20px; }
    .auth-card { border-radius: 16px; }
}