/* ============================================================
   UniVibes — Auth Split Layout (login pages)
   Design : image diagonale a gauche, card glassmorphic a droite
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* --- Variables --- */
:root {
    --split-primary: #4052b6;
    --split-secondary: #652fe7;
    --split-surface: #faf4ff;
    --split-surface-low: #f4eeff;
    --split-surface-container: #ece4ff;
    --split-on-surface: #302950;
    --split-on-surface-variant: #5d5680;
    --split-outline: #79719d;
    --split-outline-variant: #b0a7d6;
    --split-white: #ffffff;
    --split-error: #b41340;
}

/* --- Base --- */
.auth-split-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--split-surface);
    color: var(--split-on-surface);
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}

.auth-split-body h1,
.auth-split-body h2,
.auth-split-body h3 {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* --- Layout --- */
.auth-split-main {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Panneau visuel (gauche) --- */
.auth-split-visual {
    display: none;
    position: absolute;
    inset: 0;
    width: 55%;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 85% 100%, 0% 100%);
    z-index: 0;
}

.auth-split-visual img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.auth-split-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top right,
        rgba(64, 82, 182, 0.25),
        transparent 50%,
        rgba(101, 47, 231, 0.12)
    );
    z-index: 1;
}

/* Brand overlay */
.auth-split-brand {
    position: absolute;
    top: 3rem;
    left: 3rem;
    z-index: 20;
}

.auth-split-brand-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: -0.03em;
    color: var(--split-on-surface);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    text-decoration: none;
    display: inline-block;
}

/* Citation */
.auth-split-quote {
    position: absolute;
    bottom: 6rem;
    left: 3rem;
    z-index: 20;
    max-width: 28rem;
}

.auth-split-quote-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.15;
    color: var(--split-white);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.auth-split-quote-text em {
    color: var(--split-primary);
    font-style: italic;
}

.auth-split-quote-sub {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.auth-split-quote-sub::before {
    content: '';
    width: 3rem;
    height: 1px;
    background: var(--split-outline-variant);
}

.auth-split-quote-sub span {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
}

/* --- Card container (droite) --- */
.auth-split-card-wrapper {
    position: relative;
    z-index: 30;
    width: 100%;
    max-width: 32rem;
    padding: 1.5rem;
}

/* Glassmorphic card */
.auth-split-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 40px 80px -20px rgba(48, 41, 80, 0.12);
    padding: 2.5rem 2rem;
    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Header */
.auth-split-header {
    margin-bottom: 2rem;
}

.auth-split-header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--split-on-surface);
    margin-bottom: 0.5rem;
}

.auth-split-header p {
    color: var(--split-on-surface-variant);
    line-height: 1.6;
    font-size: 0.9375rem;
}

.auth-split-header a {
    color: var(--split-primary);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s;
}

.auth-split-header a:hover {
    color: var(--split-secondary);
}

/* --- Form elements --- */
.auth-split-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.split-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.split-form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0.25rem;
}

.split-form-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--split-on-surface-variant);
    padding-left: 0.25rem;
}

.split-form-link {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--split-primary);
    text-decoration: none;
}

.split-form-link:hover {
    color: var(--split-secondary);
}

.split-input-wrapper {
    position: relative;
}

.split-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--split-outline);
    font-size: 0.875rem;
    pointer-events: none;
    transition: color 0.15s;
}

.split-input-wrapper:focus-within .split-input-icon {
    color: var(--split-primary);
}

.split-form-input {
    width: 100%;
    padding: 0.9375rem 1rem 0.9375rem 2.75rem;
    background: var(--split-surface-low);
    border: 1.5px solid transparent;
    border-radius: 1rem;
    font-size: 0.9375rem;
    color: var(--split-on-surface);
    font-family: inherit;
    transition: all 0.15s ease;
}

.split-form-input::placeholder {
    color: rgba(121, 113, 157, 0.5);
}

.split-form-input:focus {
    outline: none;
    background: var(--split-white);
    border-color: rgba(101, 47, 231, 0.25);
    box-shadow: 0 0 0 3px rgba(101, 47, 231, 0.08);
}

/* Checkbox */
.split-checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.25rem 0;
}

.split-checkbox-group input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    border-radius: 0.25rem;
    border: 1.5px solid var(--split-outline-variant);
    accent-color: var(--split-primary);
    cursor: pointer;
}

.split-checkbox-group label {
    font-size: 0.875rem;
    color: var(--split-on-surface-variant);
    cursor: pointer;
}

/* Submit button */
.split-btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.9375rem 1.5rem;
    background: linear-gradient(135deg, var(--split-primary), var(--split-secondary));
    color: #fff;
    border: none;
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: 'Plus Jakarta Sans', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 8px 24px -4px rgba(64, 82, 182, 0.3);
}

.split-btn-primary:hover {
    box-shadow: 0 12px 32px -4px rgba(64, 82, 182, 0.4);
    transform: translateY(-1px);
}

.split-btn-primary:active {
    transform: scale(0.98) translateY(0);
}

.split-btn-primary .arrow {
    font-size: 1.125rem;
    transition: transform 0.2s;
}

.split-btn-primary:hover .arrow {
    transform: translateX(3px);
}

/* Footer links */
.split-footer-links {
    text-align: center;
    margin-top: 0.75rem;
    font-size: 0.875rem;
}

.split-footer-links a {
    color: var(--split-primary);
    font-weight: 500;
    text-decoration: none;
}

.split-footer-links a:hover {
    text-decoration: underline;
}

/* Card footer */
.split-card-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    font-size: 0.8125rem;
    color: rgba(93, 86, 128, 0.5);
}

/* Alerts inside the card */
.split-alert {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.split-alert-error {
    background: rgba(180, 19, 64, 0.08);
    border: 1px solid rgba(180, 19, 64, 0.2);
    color: var(--split-error);
}

.split-alert-success {
    background: rgba(5, 118, 66, 0.08);
    border: 1px solid rgba(5, 118, 66, 0.2);
    color: #057642;
}

/* --- Decorations (bulles floues) --- */
.auth-split-decor-1 {
    position: absolute;
    top: -2.5rem;
    right: -2.5rem;
    width: 8rem;
    height: 8rem;
    background: rgba(101, 47, 231, 0.1);
    border-radius: 50%;
    filter: blur(48px);
    pointer-events: none;
}

.auth-split-decor-2 {
    position: absolute;
    bottom: -2.5rem;
    left: -2.5rem;
    width: 10rem;
    height: 10rem;
    background: rgba(64, 82, 182, 0.1);
    border-radius: 50%;
    filter: blur(48px);
    pointer-events: none;
}

/* Mobile background */
.auth-split-mobile-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--split-surface);
    overflow: hidden;
}

.auth-split-mobile-bg::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 33%;
    background: linear-gradient(to bottom, rgba(64, 82, 182, 0.05), transparent);
}

.auth-split-mobile-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 25%;
    background: linear-gradient(to top, rgba(101, 47, 231, 0.05), transparent);
}

/* --- Desktop --- */
@media (min-width: 1024px) {
    .auth-split-visual {
        display: block;
    }

    .auth-split-card-wrapper {
        margin-left: 50%;
        padding: 2rem;
    }

    .auth-split-card {
        padding: 3.5rem 3rem;
    }

    .auth-split-mobile-bg {
        display: none;
    }
}

@media (min-width: 1280px) {
    .auth-split-card-wrapper {
        margin-left: 55%;
    }
}

/* --- Small mobile --- */
@media (max-width: 480px) {
    .auth-split-card {
        padding: 2rem 1.25rem;
        border-radius: 1.25rem;
    }

    .auth-split-header h1 {
        font-size: 1.75rem;
    }

    .auth-split-quote-text {
        font-size: 2rem;
    }
}