/**
 * Academia Login Page Styles
 * Extends the core design system with login-specific components
 */

/* ========================================
   LOGIN LAYOUT
   ======================================== */

.login-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

/* ========================================
   BRANDING SECTION (Left Side)
   ======================================== */

.login-branding {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
}

.brand-content {
    max-width: 100%;
    text-align: center;
}

.brand-logo-img {
    /* Fluid scaling: 180px on mobile → 280px on desktop */
    max-width: clamp(180px, 15vw + 130px, 280px);
    width: 100%;
    height: auto;
    /* Fluid margin: 40px on mobile → 24px on desktop */
    margin: clamp(24px, 4vw, 40px) auto;
    display: block;
}

.brand-logo .highlight {
    color: var(--color-primary);
    text-shadow: 0 0 40px var(--color-primary-glow);
}

.brand-tagline {
    /* Fluid typography: 0.9rem on mobile → 1.5rem on desktop */
    font-size: clamp(0.9rem, 2vw + 0.5rem, 1.5rem);
    color: var(--color-text-muted);
    margin-bottom: clamp(16px, 4vw, 32px);
}

/* Feature List */
.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.feature-list i {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    background: var(--color-primary-glow);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

/* ========================================
   LOGIN FORM SECTION (Right Side)
   ======================================== */

.login-form-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.login-card {
    width: 100%;
    /* Fluid width: 320px on mobile → 480px on desktop */
    max-width: clamp(320px, 90vw, 480px);
    /* Fluid padding: 16px on mobile → 32px on desktop */
    padding: clamp(16px, 4vw, 32px);
    margin: 8px;
    position: relative;
}

.form-title {
    /* Fluid: 1.25rem on mobile → 1.75rem on desktop */
    font-size: clamp(1.25rem, 3vw + 0.5rem, 1.75rem);
    margin-top: clamp(12px, 3vw, 24px);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.form-subtitle {
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
}

/* ========================================
   FORM ELEMENTS
   ======================================== */

.btn-full {
    width: 100%;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    color: var(--color-text-muted);
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.forgot-link {
    color: var(--color-primary);
    font-size: 0.9rem;
}

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

/* ========================================
   DIVIDER
   ======================================== */

.divider {
    display: flex;
    align-items: center;
    margin: var(--space-lg) 0;
    color: var(--color-text-dim);
    font-size: 0.8rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-glass-border);
    margin: 0 var(--space-sm);
}

/* ========================================
   SOCIAL LOGIN
   ======================================== */

.social-login {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.social-btn {
    width: 48px;
    height: 48px;
    padding: 0;
    font-size: 1.3rem;
}

.social-btn:hover {
    transform: translateY(-2px);
}

/* ========================================
   SIGN UP LINK
   ======================================== */

.signup-link {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.signup-link a {
    color: var(--color-primary);
    font-weight: 600;
    margin-right: var(--space-xs);
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ======================================== */

/* Tablet Landscape - Stack layout and optimize space */
@media (max-width: 993px) {
    .login-container {
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-md);
        justify-content: flex-start;
        padding-top: 60px;
        /* Account for toolbar */
    }

    .login-branding {
        padding: var(--space-sm) 0;
        text-align: center;
        flex: 0;
        /* Don't flex, natural height */
    }

    .brand-content {
        text-align: center;
        max-width: 100%;
    }

    /* Logo uses fluid clamp() from base styles */

    .brand-tagline {
        font-size: 1.1rem;
        margin-bottom: var(--space-sm);
    }

    /* Compact feature list - horizontal on tablet */
    .feature-list {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md);
    }

    .feature-list li {
        font-size: 0.9rem;
    }

    .feature-list i {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .login-form-section {
        padding: 0;
        flex: 0;
        /* Don't flex, natural height */
        width: 100%;
    }

    .login-card {
        max-width: 420px;
        margin: 0 auto;
        padding: var(--space-lg);
    }

    .controls-toolbar {
        top: var(--space-md);
        left: var(--space-md);
    }
}

/* Tablet Portrait & Large Phones */
@media (max-width: 768px) {
    .login-container {
        padding: var(--space-md);
    }

    .login-branding {
        padding: var(--space-sm) 0;
    }

    .login-card {
        max-width: 100%;
        padding: var(--space-lg);
    }

    /* Logo uses fluid clamp() from base styles */

    .brand-tagline {
        font-size: 1rem;
        margin-bottom: var(--space-md);
    }

    /* Hide feature list on tablets and below */
    .feature-list {
        display: none;
    }

    .form-title {
        font-size: 1.5rem;
        margin-bottom: var(--space-xs);
    }

    .form-subtitle {
        margin-bottom: var(--space-md);
    }

    .input-group {
        margin-bottom: var(--space-sm);
    }
}

/* Mobile Phones */
@media (max-width: 480px) {
    .login-container {
        padding: var(--space-xs);
        min-height: 100dvh;
        gap: 0;
    }

    .login-branding {
        padding: var(--space-xs) 0;
        margin-bottom: 0;
    }

    .brand-logo-img {
        max-width: 100px;
    }

    .brand-tagline {
        font-size: 0.85rem;
        margin-top: var(--space-xs);
    }

    .feature-list {
        display: none;
    }

    .login-card {
        padding: var(--space-sm) var(--space-md);
        border-radius: var(--radius-md);
    }

    .form-title {
        font-size: 1.3rem;
        margin-bottom: var(--space-xs);
    }

    .form-subtitle {
        font-size: 0.8rem;
        margin-bottom: var(--space-sm);
    }

    .input-group input {
        padding: 12px 16px;
        padding-right: 44px;
        font-size: 16px;
        /* Prevents iOS zoom */
    }

    .btn-primary {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .social-btn {
        width: 52px;
        height: 52px;
        font-size: 1.4rem;
    }

    .controls-toolbar {
        top: var(--space-sm);
        left: var(--space-sm);
    }

    .control-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .lang-toggle {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .mia-fab {
        width: 56px;
        height: 56px;
        bottom: var(--space-md);
        left: var(--space-md);
    }
}

/* Ultra-small phones (320px) */
@media (max-width: 360px) {
    .login-container {
        padding: 8px;
    }

    .login-branding {
        padding: 8px 0;
    }

    .brand-logo-img {
        max-width: 80px;
    }

    .brand-tagline {
        font-size: 0.75rem;
    }

    .login-card {
        padding: 12px 16px;
    }

    .form-title {
        font-size: 1.15rem;
    }

    .form-subtitle {
        font-size: 0.75rem;
    }

    .input-group input {
        padding: 10px 12px;
        padding-right: 40px;
    }

    .btn-primary {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .social-btn {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }

    .mia-fab {
        width: 48px;
        height: 48px;
        bottom: var(--space-sm);
        left: var(--space-sm);
    }

    .control-btn {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

    .lang-toggle {
        padding: 6px 10px;
        font-size: 0.7rem;
    }
}