/* ================================================================
   ASTRAL ACADEMY — Premium Split-Screen Enterprise Login System
   Light Mode SaaS Aesthetic (Linear / Stripe / Vercel style)
   Strictly sized to fit viewports without scrolling.
   ================================================================ */

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

:root {
    /* ── Color Palette ── */
    --color-bg-light:      #F8FAFD;
    --color-panel-left:    #E9F1FF;
    --color-card-bg:       #FFFFFF;
    --color-card-border:   transparent;
    
    --color-primary:       #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-glow:  rgba(37, 99, 235, 0.08);
    
    --color-text-dark:     #1E293B;
    --color-text-normal:   #334155;
    --color-text-secondary:#64748B;
    --color-text-muted:    #94A3B8;
    
    --color-input-bg:      #FFFFFF;
    --color-input-border:  #E2E8F0;
    --color-input-focus:   #2563EB;
    
    --color-danger:        #EF4444;
    --color-danger-bg:     #FEF2F2;
    --color-danger-border: #FCA5A5;
    
    --color-success:       #10B981;
    --color-success-bg:    #F0FDF4;
    --color-success-border: #86EFAC;

    /* ── Spacing/Sizing (Precise layout matching) ── */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm:  6px;
    --radius-md:  8px;
    --radius-lg:  16px;
    --transition-base: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-family);
    background: url('login_bg.png') no-repeat center 43% / 100% 100%;
    background-color: var(--color-bg-light);
    color: var(--color-text-normal);
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
}

/* ── Layout Wrapper (Strict 60% Left, 40% Right Split) ── */
.split-layout {
    display: grid;
    grid-template-columns: 0.6fr 0.4fr;
    height: 100vh;
    max-height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ══════════════════════════════════════
   LEFT PANEL (Branding)
   ══════════════════════════════════════ */
.brand-panel {
    background: transparent;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px 48px;
    overflow: hidden;
    border-right: none;
    height: 100%;
}

.brand-panel__content {
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 0;
    max-width: 520px;
}

/* Header logo */
.brand-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.brand-logo-svg {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.brand-logo-img {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.brand-title-small {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--color-text-dark);
}

/* Hero Section */
.hero-block {
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -1px;
    color: var(--color-text-dark);
    margin: 0;
}

.hero-title .text-highlight {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-primary);
    font-weight: 600;
    margin: 0;
}

.hero-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    font-weight: 400;
    margin: 0;
}

.accent-line {
    width: 48px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    margin-top: 8px;
}

/* Feature List */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex-shrink: 0;
}

/* Icon containers - all blue to match target design */
.icon-blue,
.icon-teal,
.icon-blue-dark,
.icon-cyan { 
    background: #2563EB; 
    color: #FFFFFF; 
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 2px;
}

.feature-desc {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* Brand Footer Badges - column style */
.brand-panel__footer {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    font-size: 13px;
    color: var(--color-text-secondary);
    z-index: 5;
    padding-top: 8px;
}

.secure-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--color-text-normal);
    font-weight: 500;
    text-align: center;
}

.secure-badge svg {
    color: var(--color-primary);
}

.divider-dot {
    display: none;
}

/* Decorative elements hidden - now part of background image */
.decorative-dots,
.building-overlay,
.wave-overlay {
    display: none;
}

.brand-panel::after {
    display: none;
}


/* ══════════════════════════════════════
   RIGHT PANEL (Login Card Container)
   ══════════════════════════════════════ */
.form-panel {
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 16px;
    position: relative;
    height: 100%;
    overflow: hidden;
}

/* Abstract wave pattern overlay right panel */
.background-wave-decor {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.03) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

/* Subtle dot grid decor right panel */
.form-panel::after {
    content: '';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 160px;
    background-image: radial-gradient(#E2E8F0 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    opacity: 0.5;
    pointer-events: none;
    z-index: 1;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    animation: fadeIn var(--transition-base);
    z-index: 5;
    margin-left: -130px;
}

.auth-card__inner {
    background: var(--color-card-bg);
    border: none;
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.02),
        0 24px 36px -4px rgba(0, 0, 0, 0.04),
        0 8px 12px -4px rgba(0, 0, 0, 0.02);
}

/* Circle Avatar Badge */
.avatar-badge {
    width: 44px;
    height: 44px;
    background: #EFF6FF;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.avatar-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.auth-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-dark);
    text-align: center;
    margin-bottom: 4px;
    letter-spacing: -0.4px;
}

.auth-subtitle {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 24px;
}

/* Portal Role Badge */
.portal-badge-container {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.portal-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #EFF6FF;
    border: 1.5px solid #DBEAFE;
    border-radius: 100px;
    padding: 4px 12px;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--color-primary);
}

.badge-icon {
    width: 12px;
    height: 12px;
}

/* Forms styling */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 6px;
}

/* Outlined Input fields */
.form-input-wrap,
.form-select-wrap {
    position: relative;
}

.form-input {
    width: 100%;
    height: 48px;
    background: var(--color-input-bg);
    border: 1.5px solid var(--color-input-border);
    border-radius: var(--radius-md);
    color: var(--color-text-dark);
    font-family: var(--font-family);
    font-size: 14px;
    outline: none;
    transition: all var(--transition-base);
}

.form-input--with-icon {
    padding: 0 36px 0 36px;
}

.form-input:not(.form-input--with-icon) {
    padding: 0 12px;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:hover {
    border-color: #CBD5E1;
}

.form-input:focus {
    border-color: var(--color-input-focus);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

/* Select dropdown customization */
.form-select {
    width: 100%;
    height: 48px;
    padding: 0 36px 0 36px;
    background: var(--color-input-bg);
    border: 1.5px solid var(--color-input-border);
    border-radius: var(--radius-md);
    color: var(--color-text-dark);
    font-family: var(--font-family);
    font-size: 14px;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-select:hover {
    border-color: #CBD5E1;
}

.form-select:focus {
    border-color: var(--color-input-focus);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-select option {
    background: #FFFFFF;
    color: var(--color-text-dark);
}

.form-select-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
}

/* Icons */
.input-inline-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    display: flex;
    pointer-events: none;
}

.form-input-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    padding: 4px;
    border-radius: 4px;
    transition: color var(--transition-base);
}

.form-input-toggle:hover {
    color: var(--color-text-dark);
}

/* Options */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.remember-me input {
    display: none;
}

.checkbox-custom {
    width: 15px;
    height: 15px;
    border: 1.5px solid #CBD5E1;
    border-radius: 3px;
    background: var(--color-input-bg);
    display: inline-block;
    position: relative;
    transition: all var(--transition-base);
}

.remember-me input:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.remember-me input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 3px;
    height: 6px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.remember-me-text {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.forgot-password-link {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.forgot-password-link:hover {
    color: var(--color-primary-hover);
}

/* Buttons style */
.btn {
    width: 100%;
    height: 48px;
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-primary);
    color: #FFFFFF;
}

.btn-primary:not(:disabled):hover {
    background: var(--color-primary-hover);
    box-shadow: 0 3px 8px var(--color-primary-glow);
}

.btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.form-separator {
    position: relative;
    text-align: center;
    margin: 10px 0 6px;
}

.form-separator::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: #E5E7EB;
}

.separator-text {
    position: relative;
    background: #FFFFFF;
    padding: 0 8px;
    font-size: 11px;
    color: var(--color-text-muted);
}

.btn-link {
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 0 auto;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all var(--transition-base);
}

.btn-link:hover {
    color: var(--color-primary-hover);
    background: rgba(37, 99, 235, 0.03);
}

/* Inline alerts */
.form-error {
    font-size: 12px;
    line-height: 1.4;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
    transition: max-height var(--transition-base), padding var(--transition-base), margin var(--transition-base);
}

.form-error--visible {
    max-height: 80px;
    padding: 8px 12px;
    margin-bottom: 10px;
}

.form-error--danger {
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
}

.form-error--success {
    color: var(--color-success);
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
}

/* Card footer links */
.auth-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-top: 16px;
    font-size: 11px;
    color: var(--color-text-secondary);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-text-dark);
}

.footer-divider {
    color: #CBD5E1;
}

/* Transitions helper */
.auth-card--hidden {
    display: none !important;
}

.auth-card--exit {
    animation: fadeOut var(--transition-base) forwards;
}

.auth-card--enter {
    animation: fadeIn var(--transition-base) forwards;
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-8px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════
   RESPONSIVE DESIGN
   ══════════════════════════════════════ */
@media (max-width: 960px) {
    .split-layout {
        grid-template-columns: 1fr;
        height: auto;
        max-height: none;
        overflow: auto;
    }
    body {
        height: auto;
        max-height: none;
        overflow: auto;
    }
    .brand-panel {
        display: none;
    }
    .form-panel {
        padding: 20px;
        min-height: 100vh;
        height: auto;
        overflow: auto;
    }
}