/**
 * Apex eCampus - Modern Login Page
 * Clean, minimal, and fully responsive design
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --apex-primary: #2563eb;
    --apex-primary-dark: #1d4ed8;
    --apex-primary-light: #3b82f6;
    --apex-bg-start: #0f172a;
    --apex-bg-end: #1e293b;
    --apex-card-bg: #ffffff;
    --apex-text-primary: #1e293b;
    --apex-text-secondary: #475569;
    --apex-text-muted: #64748b;
    --apex-border: #e2e8f0;
    --apex-error: #ef4444;
    --apex-info: #3b82f6;
    --apex-radius: 12px;
    --apex-radius-lg: 20px;
    --apex-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --apex-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* ============================================
   PAGE BACKGROUND
   ============================================ */
body.pagelayout-login {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--apex-bg-start) 0%, var(--apex-bg-end) 100%);
}

body.pagelayout-login #page-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.pagelayout-login #page {
    width: 100%;
    padding: 1rem;
}

body.pagelayout-login #page-content,
body.pagelayout-login #region-main-box,
body.pagelayout-login #region-main {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ============================================
   LOGIN CARD CONTAINER
   ============================================ */
.login-wrapper {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.login-container {
    background: var(--apex-card-bg);
    border-radius: var(--apex-radius-lg);
    box-shadow: var(--apex-shadow-lg);
    padding: 2.5rem 2rem;
}

/* ============================================
   LOGIN COMPONENT STYLES
   ============================================ */
.apex-login {
    width: 100%;
}

/* Logo */
.apex-login__logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.apex-login__logo img {
    width: 80px;
    height: 80px;
    border-radius: var(--apex-radius);
    object-fit: cover;
    box-shadow: var(--apex-shadow);
}

/* Header */
.apex-login__header {
    text-align: center;
    margin-bottom: 2rem;
}

.apex-login__header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--apex-text-primary);
    margin: 0 0 0.5rem 0;
}

.apex-login__header p {
    font-size: 0.9rem;
    color: var(--apex-text-secondary);
    margin: 0;
}

/* Alerts */
.apex-login__alert {
    padding: 0.75rem 1rem;
    border-radius: var(--apex-radius);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.apex-login__alert--danger {
    background: #fef2f2;
    color: var(--apex-error);
    border: 1px solid #fecaca;
}

.apex-login__alert--info {
    background: #eff6ff;
    color: var(--apex-info);
    border: 1px solid #bfdbfe;
}

/* Form */
.apex-login__form {
    margin-bottom: 1.5rem;
}

/* Form Fields */
.apex-login__field {
    margin-bottom: 1.25rem;
}

.apex-login__field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--apex-text-primary);
    margin-bottom: 0.5rem;
}

.apex-login__field input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.95rem;
    color: var(--apex-text-primary);
    background: #f8fafc;
    border: 1px solid var(--apex-border);
    border-radius: var(--apex-radius);
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.apex-login__field input:focus {
    outline: none;
    border-color: var(--apex-primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Recaptcha */
.apex-login__recaptcha {
    margin-bottom: 1.25rem;
}

/* Buttons */
.apex-login__btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--apex-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.apex-login__btn--primary {
    background: var(--apex-primary);
    color: #ffffff;
}

.apex-login__btn--primary:hover {
    background: var(--apex-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.apex-login__btn--primary:active {
    transform: translateY(0);
}

.apex-login__btn--ghost {
    background: transparent;
    color: var(--apex-text-secondary);
    border: 1px solid var(--apex-border);
}

.apex-login__btn--ghost:hover {
    background: #f8fafc;
    color: var(--apex-text-primary);
    border-color: var(--apex-text-muted);
}

/* Forgot Password Link */
.apex-login__forgot {
    display: block;
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--apex-primary);
    text-decoration: none;
}

.apex-login__forgot:hover {
    color: var(--apex-primary-dark);
    text-decoration: underline;
}

/* Divider */
.apex-login__divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
}

.apex-login__divider::before,
.apex-login__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--apex-border);
}

.apex-login__divider span {
    padding: 0 1rem;
    font-size: 0.8rem;
    color: var(--apex-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Identity Providers */
.apex-login__providers {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.apex-login__provider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border: 1px solid var(--apex-border);
    border-radius: var(--apex-radius);
    font-size: 0.9rem;
    color: var(--apex-text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.apex-login__provider:hover {
    background: #ffffff;
    border-color: var(--apex-text-muted);
}

.apex-login__provider img {
    width: 20px;
    height: 20px;
}

/* Sign Up Section */
.apex-login__signup {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--apex-border);
    font-size: 0.9rem;
}

.apex-login__signup span {
    color: var(--apex-text-secondary);
    font-weight: 500;
}

.apex-login__signup a {
    color: var(--apex-primary);
    text-decoration: none;
    font-weight: 500;
    margin-left: 0.25rem;
}

.apex-login__signup a:hover {
    text-decoration: underline;
}

/* Guest Login */
.apex-login__guest {
    margin-top: 1rem;
}

/* Footer */
.apex-login__footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--apex-border);
}

.apex-login__lang {
    font-size: 0.85rem;
}

.apex-login__lang .dropdown-toggle {
    color: var(--apex-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.apex-login__cookies {
    background: none;
    border: none;
    font-size: 0.8rem;
    color: var(--apex-text-secondary);
    cursor: pointer;
    padding: 0;
    font-weight: 500;
}

.apex-login__cookies:hover {
    color: var(--apex-text-primary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets */
@media (max-width: 768px) {
    .login-container {
        padding: 2rem 1.5rem;
        border-radius: var(--apex-radius);
    }

    .apex-login__logo img {
        width: 70px;
        height: 70px;
    }

    .apex-login__header h1 {
        font-size: 1.35rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    body.pagelayout-login #page {
        padding: 0.75rem;
    }

    .login-wrapper {
        max-width: 100%;
    }

    .login-container {
        padding: 1.75rem 1.25rem;
        border-radius: var(--apex-radius);
        box-shadow: var(--apex-shadow);
    }

    .apex-login__logo img {
        width: 64px;
        height: 64px;
    }

    .apex-login__header {
        margin-bottom: 1.5rem;
    }

    .apex-login__header h1 {
        font-size: 1.25rem;
    }

    .apex-login__header p {
        font-size: 0.85rem;
    }

    .apex-login__field {
        margin-bottom: 1rem;
    }

    .apex-login__field input {
        padding: 0.75rem 0.875rem;
        font-size: 1rem; /* Prevents zoom on iOS */
    }

    .apex-login__btn {
        padding: 0.75rem 1.25rem;
    }

    .apex-login__footer {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    .login-container {
        padding: 1.5rem 1rem;
    }

    .apex-login__header h1 {
        font-size: 1.15rem;
    }
}

/* Landscape Mobile */
@media (max-height: 600px) and (orientation: landscape) {
    body.pagelayout-login #page-wrapper {
        align-items: flex-start;
        padding: 1rem 0;
    }

    .login-container {
        padding: 1.5rem;
    }

    .apex-login__logo {
        margin-bottom: 1rem;
    }

    .apex-login__logo img {
        width: 50px;
        height: 50px;
    }

    .apex-login__header {
        margin-bottom: 1rem;
    }

    .apex-login__field {
        margin-bottom: 0.75rem;
    }
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
@media (prefers-color-scheme: dark) {
    :root {
        --apex-card-bg: #1e293b;
        --apex-text-primary: #f1f5f9;
        --apex-text-secondary: #cbd5e1;
        --apex-text-muted: #94a3b8;
        --apex-border: #334155;
    }

    .apex-login__field input {
        background: #0f172a;
        color: #f1f5f9;
    }

    .apex-login__field input:focus {
        background: #1e293b;
    }

    .apex-login__alert--danger {
        background: rgba(239, 68, 68, 0.1);
        border-color: rgba(239, 68, 68, 0.3);
    }

    .apex-login__alert--info {
        background: rgba(59, 130, 246, 0.1);
        border-color: rgba(59, 130, 246, 0.3);
    }

    .apex-login__provider {
        background: #0f172a;
    }

    .apex-login__provider:hover {
        background: #1e293b;
    }

    .apex-login__btn--ghost {
        color: var(--apex-text-secondary);
    }

    .apex-login__btn--ghost:hover {
        background: #0f172a;
        color: var(--apex-text-primary);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        transform: none !important;
    }
}

/* Focus styles for keyboard navigation */
.apex-login__field input:focus-visible,
.apex-login__btn:focus-visible,
.apex-login__provider:focus-visible,
.apex-login__forgot:focus-visible {
    outline: 2px solid var(--apex-primary);
    outline-offset: 2px;
}

/* High contrast mode adjustments */
@media (prefers-contrast: high) {
    .apex-login__field input {
        border-width: 2px;
    }

    .apex-login__btn--primary {
        border: 2px solid #ffffff;
    }
}