/* =========================
   Variables
========================= */
:root {
    --header-bg: #0b1f4b;
    --primary-color: var(--header-bg);
    --primary-gradient: var(--header-bg);
    --dark-color: #1f2937;
    --text-muted: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --radius: 14px;
}

/* =========================
   Global
========================= */
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    color: var(--dark-color);
    min-height: 100vh;
}

.auth-wrapper {
    display: flex;
    min-height: 100vh;
}

/* =========================
   Left branding
========================= */
.auth-branding {
    flex: 1;
    background:
        linear-gradient(135deg, rgba(11, 31, 75, 0.92) 0%, rgba(11, 31, 75, 0.78) 100%),
        url("https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1400&q=80");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    color: #fff;
    padding: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.branding-content {
    max-width: 420px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.logo-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    overflow: hidden;
}

.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-name {
    font-weight: 700;
    margin: 0;
}

.brand-tagline {
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

.features-list {
    display: grid;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .95rem;
}

.feature-item i {
    color: #d1fae5;
}

/* =========================
   Right form
========================= */
.auth-form-container {
    flex: 1;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.auth-form-wrapper {
    max-width: 420px;
    width: 100%;
    margin: auto;
    padding: 3rem 2rem;
}

/* Mobile logo */
.mobile-logo {
    display: none;
    text-align: center;
    margin-bottom: 2rem;
}

.logo-icon-mobile {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    color: #fff;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: .5rem;
    overflow: hidden;
}

.brand-logo-img-mobile {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =========================
   Form header
========================= */
.form-header {
    margin-bottom: 2rem;
}

.form-title {
    font-weight: 700;
}

.form-subtitle {
    color: var(--text-muted);
    font-size: .95rem;
}

/* =========================
   Inputs
========================= */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    font-weight: 500;
}

.input-icon-wrapper {
    position: relative;
    transition: transform .2s ease;
}

.input-icon-wrapper:focus-within {
    transform: translateY(-1px);
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 14px;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 2;
    pointer-events: none;
}

.form-control {
    position: relative;
    z-index: 1;
    padding-left: 42px;
    height: 48px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition:
        border-color .2s ease,
        box-shadow .2s ease,
        transform .2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(11, 31, 75, .15);
}

.form-control:focus {
    transform: scale(1.01);
}

.toggle-password {
    position: absolute;
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    z-index: 2;
}

.invalid-feedback {
    font-size: .8rem;
    margin-top: .35rem;
}

.is-invalid {
    border-color: #dc3545;
}

.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, .15);
}

/* =========================
   Remember / forgot
========================= */
.forgot-link {
    font-size: .85rem;
    text-decoration: none;
    color: var(--primary-color);
}

.forgot-link:hover {
    text-decoration: underline;
}

/* =========================
   Button
========================= */
.btn-auth {
    width: 100%;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-gradient);
    border: none;
    font-weight: 500;
    margin-top: 1rem;
    transition:
        transform .2s ease,
        box-shadow .2s ease;
}

.btn-auth:hover {
    opacity: .95;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(11, 31, 75, .35);
}

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

/* =========================
   Card
========================= */
.auth-card {
    background: #fff;
    border-radius: 18px;
    padding: 2.5rem;
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04);
    animation: cardEnter .6s ease forwards;
}

/* =========================
   Animations (Framer-like)
========================= */
@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.form-group {
    animation: fadeUp .5s ease forwards;
}

.form-group:nth-child(1) { animation-delay: .1s; }
.form-group:nth-child(2) { animation-delay: .2s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================
   Register link
========================= */
.register-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: .9rem;
}

.register-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* =========================
   Footer
========================= */
.auth-footer {
    text-align: center;
    padding: 1.5rem;
    font-size: .8rem;
    color: var(--text-muted);
}

.footer-links a {
    color: inherit;
    text-decoration: none;
    margin: 0 .25rem;
}

/* =========================
   Responsive
========================= */
@media (max-width: 992px) {
    .auth-branding {
        display: none;
    }

    .mobile-logo {
        display: block;
    }

    .auth-form-wrapper {
        padding: 2rem 1.5rem;
    }
}