/* ============================================================
   GestAI Login — split-screen brand panel + form panel
   ============================================================ */

.login-page {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    grid-template-columns: minmax(420px, 5fr) 7fr;
    background: var(--surface);
}

/* ---------- Brand panel ---------- */
.login-brand {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-10);
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.07'/%3E%3C/svg%3E") repeat,
        radial-gradient(120% 90% at 10% 0%, var(--plum-700) 0%, transparent 60%),
        radial-gradient(110% 90% at 95% 100%, var(--plum-950) 0%, transparent 65%),
        linear-gradient(160deg, var(--plum-800) 0%, var(--plum-950) 100%);
    color: #fdfbf7;
}

/* slow-drifting ambient glow */
.login-brand::before,
.login-brand::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.5;
    pointer-events: none;
}

.login-brand::before {
    width: 420px;
    height: 420px;
    top: -120px;
    right: -120px;
    background: var(--plum-500);
    animation: brandDrift 14s ease-in-out infinite alternate;
}

.login-brand::after {
    width: 320px;
    height: 320px;
    bottom: -100px;
    left: -80px;
    background: var(--ember-600);
    opacity: 0.25;
    animation: brandDrift 18s ease-in-out infinite alternate-reverse;
}

@keyframes brandDrift {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(-40px, 30px) scale(1.15); }
}

.login-brand-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.login-brand-header .logo-icon {
    width: 44px;
    height: 44px;
    border-radius: 13px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.login-brand-header .logo-text {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fdfbf7;
}

.login-brand-body {
    position: relative;
    z-index: 1;
    max-width: 440px;
}

.login-brand-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 3.6vw, 3.4rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.025em;
    color: #fdfbf7;
    margin-bottom: var(--space-5);
}

.login-brand-title em {
    font-style: normal;
    color: var(--ember-300);
}

.login-brand-tagline {
    font-size: var(--text-base);
    line-height: 1.6;
    color: rgba(253, 251, 247, 0.75);
}

.login-brand-footer {
    position: relative;
    z-index: 1;
    font-size: var(--text-xs);
    color: rgba(253, 251, 247, 0.45);
}

/* ---------- Form panel ---------- */
.login-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-10) var(--space-6);
    position: relative;
}

.login-controls {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-12) var(--space-10);
    animation: fadeInUp var(--dur-lazy) var(--ease-out) backwards;
}

.login-heading {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: var(--space-2);
    animation: fadeInUp var(--dur-slow) var(--ease-out) 90ms backwards;
}

.login-subheading {
    font-size: var(--text-sm);
    color: var(--ink-muted);
    margin-bottom: var(--space-8);
    animation: fadeInUp var(--dur-slow) var(--ease-out) 150ms backwards;
}

/* Entrance stagger for the form itself */
.login-card form .form-group:nth-child(1) { animation: fadeInUp var(--dur-slow) var(--ease-out) 210ms backwards; }
.login-card form .form-group:nth-child(2) { animation: fadeInUp var(--dur-slow) var(--ease-out) 270ms backwards; }
.login-card form .login-submit            { animation: fadeInUp var(--dur-slow) var(--ease-out) 330ms backwards; }

/* Larger, calmer inputs on the login moment */
.login-card .form-input {
    padding: 15px var(--space-4);
    font-size: var(--text-base);
    background: var(--surface);
}

.login-card .form-input:focus {
    background: var(--surface-raised);
}

.login-submit .icon {
    transition: transform var(--dur-base) var(--ease-spring);
}

.login-submit:hover .icon {
    transform: translateX(4px);
}

/* password visibility toggle */
.password-wrapper {
    position: relative;
}

.password-wrapper .form-input {
    padding-right: 48px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    padding: var(--space-2);
    border-radius: var(--radius-pill);
    color: var(--ink-faint);
    line-height: 0;
    transition: color var(--dur-fast) var(--ease-swift);
}

.password-toggle:hover { color: var(--ink); }

.password-toggle .icon { width: 18px; height: 18px; }

.password-wrapper[data-visible="false"] .pw-icon-off,
.password-wrapper[data-visible="true"]  .pw-icon-on { display: none; }

.login-submit {
    width: 100%;
    margin-top: var(--space-2);
}

.login-footer-note {
    text-align: center;
    margin-top: var(--space-8);
    color: var(--ink-faint);
    font-size: var(--text-xs);
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-brand {
        display: none;
    }

    .login-main {
        min-height: 100vh;
        min-height: 100dvh;
    }

    /* compact brand header for small screens */
    .login-mobile-brand {
        display: flex !important;
        align-items: center;
        gap: var(--space-3);
        margin-bottom: var(--space-8);
    }

    .login-card {
        padding: var(--space-8) var(--space-6);
        box-shadow: var(--shadow-md);
    }
}

.login-mobile-brand {
    display: none;
}

.login-mobile-brand .logo-icon {
    width: 40px;
    height: 40px;
}

.login-mobile-brand .logo-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}