/**
 * LOGIN PAGE - MUC Banking Application
 * Dedicated styles for login page
 */

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

.page-login {
    min-height: 100vh;
    font-family: var(--font-family-sans);
    position: relative;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-4);
}

/* ===== LOGO SECTION ===== */

.login-logo {
    text-align: center;
    margin-bottom: var(--space-6);
    animation: fadeInDown 0.8s ease-out;
}

.login-logo img {
    max-height: 5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

/* ===== LOGIN CARD ===== */

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 420px;
    width: 100%;
    animation: fadeInUp 0.8s ease-out;
    transition: var(--transition);
}

/* ===== LOGIN HEADER ===== */

.login-header {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #29b6f6 100%);
    color: var(--color-text-inverse);
    text-align: center;
    padding: var(--space-8);
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.login-subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    font-weight: var(--font-weight-normal);
    margin: 0;
}

/* ===== LOGIN FORM ===== */

.login-body {
    padding: var(--space-8);
}

.login-form .form-floating {
    margin-bottom: var(--space-5);
}

.login-form .form-control {
    border-radius: var(--border-radius-md);
    border: 2px solid var(--color-border);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    padding: var(--space-4) var(--space-3);
    height: calc(3.5rem + 2px);
    transition: var(--transition);
}

.login-form .form-control:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25),
                0 0 20px rgba(79, 195, 247, 0.3);
    background-color: var(--color-background);
    transform: translateY(-1px);
}

.login-form .form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

.login-form .form-floating label {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

/* ===== LOGIN BUTTON ===== */

.btn-login {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #29b6f6 100%);
    border: none;
    border-radius: var(--border-radius-xl);
    padding: var(--space-4) var(--space-6);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    letter-spacing: 0.5px;
    transition: var(--transition);
    width: 100%;
    height: 3rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 195, 247, 0.4);
    background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
}

.btn-login:hover::before {
    left: 100%;
}

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

.btn-login:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* ===== LANGUAGE SELECTOR ===== */

.language-selector {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.language-label {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-bottom: var(--space-2);
    display: block;
    font-weight: var(--font-weight-medium);
}

.language-flags {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
}

.language-flag {
    width: 32px;
    height: 24px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    object-fit: cover;
}

.language-flag:hover {
    transform: translateY(-2px);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-sm);
}

.language-flag:active {
    transform: translateY(0);
}

/* ===== FOOTER ===== */

.login-footer {
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-text-inverse);
    text-align: center;
    padding: var(--space-4);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    font-size: var(--font-size-xs);
    backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
}

.login-footer a {
    color: var(--color-text-inverse);
    text-decoration: none;
    transition: var(--transition);
}

.login-footer a:hover {
    color: var(--brand-primary);
    text-decoration: underline;
}

/* ===== LOADING STATE ===== */

.login-loading {
    pointer-events: none;
    opacity: 0.7;
}

.login-loading .btn-login {
    background: var(--color-gray-400);
    cursor: not-allowed;
}

.login-loading .form-control {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
}

/* ===== ANIMATIONS ===== */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

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

@media (max-width: 576px) {
    .login-wrapper {
        padding: var(--space-2);
    }

    .login-card {
        max-width: 100%;
        margin: var(--space-4) 0;
    }

    .login-header {
        padding: var(--space-6);
    }

    .login-header h1 {
        font-size: var(--font-size-xl);
    }

    .login-body {
        padding: var(--space-6);
    }

    .login-footer {
        position: relative;
        margin-top: var(--space-8);
    }
}

@media (max-height: 700px) {
    .login-wrapper {
        justify-content: flex-start;
        padding-top: var(--space-8);
    }

    .login-logo {
        margin-bottom: var(--space-4);
    }

    .login-footer {
        position: relative;
        margin-top: var(--space-4);
    }
}

/* ===== DARK THEME SUPPORT ===== */

[data-theme="light"] .login-card {
    background: rgba(38, 38, 38, 0.95);
    color: var(--color-text-primary);
}

[data-theme="dark"] .login-form .form-control {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

[data-theme="dark"] .login-form .form-control:focus {
    background-color: var(--color-surface);
}

[data-theme="dark"] .language-selector {
    border-top-color: var(--color-border);
}

/* ===== ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
    .login-card,
    .login-logo,
    .btn-login,
    .form-control,
    .language-flag {
        animation: none;
        transition: none;
    }

    .login-header::before {
        animation: none;
    }
}

@media (prefers-contrast: high) {
    .login-card {
        border: 2px solid var(--color-text-primary);
    }

    .login-form .form-control {
        border-width: 2px;
    }

    .btn-login {
        border: 2px solid var(--color-text-inverse);
    }
}

/* ===== PRINT STYLES ===== */

@media print {
    .login-footer,
    .language-selector {
        display: none;
    }

    .login-card {
        box-shadow: none;
        background: white;
    }
}