/* NetxEkap v2 - Kurumsal Tema */

:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary: #64748b;
    --success: #059669;
    --info: #0891b2;
    --warning: #d97706;
    --danger: #dc2626;
    --light: #f8fafc;
    --dark: #0f172a;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 0.875rem;
}

/* Login Sayfası - Kurumsal Tasarım */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 50%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    width: 100%;
    max-width: 450px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 10;
}

.login-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 2rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.login-header i {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.login-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.login-header p {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

.login-body {
    padding: 2.5rem 2rem;
}

.login-form .form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.login-form .form-control {
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--gray-200);
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--gray-50);
}

.login-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    background: white;
    outline: none;
}

.login-form .input-group-text {
    background: var(--gray-100);
    border: 2px solid var(--gray-200);
    border-right: none;
    color: var(--gray-600);
}

.login-form .form-control {
    border-left: none;
}

.login-form .input-group:focus-within .input-group-text {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.login-btn {
    border-radius: var(--border-radius-lg);
    padding: 1rem 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.login-btn::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;
}

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

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

/* Alert Stilleri */
.alert {
    border-radius: var(--border-radius-lg);
    border: none;
    padding: 1rem 1.25rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.alert-danger {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-success {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    color: #166534;
    border-left: 4px solid var(--success);
}

/* Dashboard - Kurumsal Tasarım */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow-lg);
    border: none;
    padding: 0.5rem 0;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: white !important;
    text-decoration: none;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin: 0 0.15rem;
    font-size: 0.9rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: white !important;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
}

.navbar-nav .nav-link i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

/* Stats Kartları */
.stats-card {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stats-card .card-body {
    padding: 2rem;
}

.stats-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-right: 1.5rem;
    box-shadow: var(--shadow-md);
}

.stats-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.stats-card p {
    color: var(--gray-600);
    font-weight: 500;
    margin: 0;
}

/* Genel Kartlar */
.card {
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    background: white;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.card-title {
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
}

.card-title i {
    margin-right: 0.75rem;
    color: var(--primary);
}

.card-body {
    padding: 2rem;
}

/* Butonlar */
.btn {
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #047857 100%);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
}

/* Tablolar */
.table {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border-bottom: 2px solid var(--primary);
    font-weight: 700;
    color: var(--gray-900);
    padding: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.7rem;
}

.table td {
    padding: 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-200);
}

.table-sm th,
.table-sm td {
    padding: 0.5rem 0.75rem;
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .login-header {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .login-body {
        padding: 2rem 1.5rem;
    }
    
    .stats-card .card-body {
        padding: 1.5rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
}

/* Timeline Stilleri */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}

.timeline-content {
    padding-left: 0.5rem;
}

.timeline-content h6 {
    color: var(--gray-900);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-content small {
    color: var(--gray-600);
    font-size: 0.875rem;
}