/* ========================================
   LOGIN PAGE STYLES - OtoBKS
   Admin Panel Login Sayfası
   ======================================== */

/* CSS Variables - Theme Support */
:root {
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    
    /* Light Theme */
    --bg-light: #f8f9fa;
    --card-light: #ffffff;
    --text-light: #212529;
    --text-muted-light: #6c757d;
    --border-light: #dee2e6;
    --shadow-light: rgba(0, 0, 0, 0.1);
    
    /* Dark Theme */
    --bg-dark: #1a1a2e;
    --card-dark: #16213e;
    --text-dark: #e4e4e7;
    --text-muted-dark: #a1a1aa;
    --border-dark: #27272a;
    --shadow-dark: rgba(0, 0, 0, 0.4);
}

/* Body - Light Theme (Default) */
body.login-page {
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px;
}

/* Login Card */
.login-card {
    background: var(--card-light);
    border-radius: 15px;
    box-shadow: 0 10px 40px var(--shadow-light);
    overflow: hidden;
    max-width: 400px;
    width: 100%;
    animation: fadeInUp 0.5s ease;
}

/* Header */
.login-header {
    background: var(--gradient-primary);
    color: white;
    padding: 30px;
    text-align: center;
}

.login-header i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.login-header h2 {
    margin: 0;
    font-weight: 600;
    font-size: 1.75rem;
}

.login-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Body */
.login-body {
    padding: 40px;
}

/* Form Controls */
.login-body .form-label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-light);
}

.login-body .form-control {
    border-radius: 8px;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.login-body .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

/* Login Button */
.btn-login {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: 12px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    color: white;
}

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

/* Alerts */
.login-body .alert {
    border-radius: 8px;
    border: none;
    font-size: 0.9rem;
}

.login-body .alert i {
    margin-right: 8px;
}

/* Links */
.login-body a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

.login-body a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Checkbox */
.login-body .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Divider */
.login-body hr {
    margin: 24px 0;
    opacity: 0.1;
}

/* Info Text */
.login-body .text-muted {
    color: var(--text-muted-light) !important;
}

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

/* ======================================== 
   DARK THEME 
   ======================================== */
body.login-page.dark-theme {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

body.dark-theme .login-card {
    background: var(--card-dark);
    box-shadow: 0 10px 40px var(--shadow-dark);
}

body.dark-theme .login-body .form-label {
    color: var(--text-dark);
}

body.dark-theme .login-body .form-control {
    background: var(--bg-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

body.dark-theme .login-body .form-control:focus {
    background: var(--bg-dark);
    color: var(--text-dark);
}

body.dark-theme .login-body .text-muted {
    color: var(--text-muted-dark) !important;
}

body.dark-theme .login-body a {
    color: #8b9cff;
}

body.dark-theme .login-body a:hover {
    color: #a5b4fc;
}

/* ======================================== 
   RESPONSIVE 
   ======================================== */
@media (max-width: 576px) {
    .login-card {
        max-width: 100%;
    }
    
    .login-header {
        padding: 25px 20px;
    }
    
    .login-header i {
        font-size: 2.5rem;
    }
    
    .login-header h2 {
        font-size: 1.5rem;
    }
    
    .login-body {
        padding: 30px 25px;
    }
}

/* Loading State */
.btn-login.loading {
    position: relative;
    color: transparent;
}

.btn-login.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}