/**
 * Custom CSS - BetxMail
 * Modern Dark Theme Styles
 */

/* ============================================
   CSS Variables (Dark Theme)
   ============================================ */
:root {
    --bs-body-bg: #0d1117;
    --bs-body-color: #c9d1d9;
    --bs-dark: #161b22;
    --bs-border-color: #30363d;
    --bs-card-bg: #161b22;
    --bs-primary: #238636;
    --bs-secondary: #1f6feb;
    --bs-success: #238636;
    --bs-danger: #f85149;
    --bs-warning: #d29922;
    --bs-info: #58a6ff;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #238636 0%, #2ea043 100%);
    --gradient-secondary: linear-gradient(135deg, #1f6feb 0%, #2563eb 100%);
    --gradient-danger: linear-gradient(135deg, #f85149 0%, #ff6b6b 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-primary: 0 4px 8px rgba(35, 134, 54, 0.3);
}

/* ============================================
   Genel Stil İyileştirmeleri
   ============================================ */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* ============================================
   Card Stilleri
   ============================================ */
.card {
    background-color: var(--bs-card-bg);
    border-color: var(--bs-border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 0.5rem;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: var(--bs-dark);
    border-bottom-color: var(--bs-border-color);
    color: #f0f6fc;
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: var(--bs-dark);
    border-top-color: var(--bs-border-color);
    padding: 0.75rem 1.25rem;
}

/* Card Gradient Variants */
.card-gradient-primary {
    background: linear-gradient(135deg, rgba(35, 134, 54, 0.1) 0%, rgba(35, 134, 54, 0.05) 100%);
    border-left: 4px solid var(--bs-primary);
}

.card-gradient-secondary {
    background: linear-gradient(135deg, rgba(31, 111, 235, 0.1) 0%, rgba(31, 111, 235, 0.05) 100%);
    border-left: 4px solid var(--bs-secondary);
}

/* ============================================
   Button Stilleri
   ============================================ */
.btn {
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: #fff;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2ea043 0%, #238636 100%);
    box-shadow: 0 6px 12px rgba(35, 134, 54, 0.4);
    color: #fff;
}

.btn-secondary {
    background: var(--gradient-secondary);
    border: none;
    color: #fff;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1f6feb 100%);
    color: #fff;
}

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

.btn-outline-primary:hover {
    background: var(--bs-primary);
    color: #fff;
    border-color: var(--bs-primary);
}

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

.btn-outline-danger:hover {
    background: var(--bs-danger);
    color: #fff;
    border-color: var(--bs-danger);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* Button Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.6s linear infinite;
}

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

/* ============================================
   Form Stilleri
   ============================================ */
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #f0f6fc;
}

.form-control,
.form-select,
.form-control:focus,
.form-select:focus {
    background-color: var(--bs-dark);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
    transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(35, 134, 54, 0.25);
    background-color: var(--bs-dark);
    color: var(--bs-body-color);
}

.form-control::placeholder {
    color: #6e7681;
    opacity: 1;
}

.input-group-text {
    background-color: var(--bs-dark);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
}

/* Form Validation */
.was-validated .form-control:valid,
.was-validated .form-select:valid {
    border-color: var(--bs-success);
}

.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
    border-color: var(--bs-danger);
}

/* ============================================
   Badge Stilleri
   ============================================ */
.badge {
    padding: 0.4em 0.7em;
    font-weight: 500;
    font-size: 0.85em;
    border-radius: 0.375rem;
}

.badge-primary {
    background: var(--gradient-primary);
    color: #fff;
}

.badge-secondary {
    background: var(--gradient-secondary);
    color: #fff;
}

.badge-success {
    background-color: var(--bs-success);
    color: #fff;
}

.badge-danger {
    background-color: var(--bs-danger);
    color: #fff;
}

.badge-warning {
    background-color: var(--bs-warning);
    color: #000;
}

.badge-info {
    background-color: var(--bs-info);
    color: #fff;
}

/* ============================================
   Table Stilleri
   ============================================ */
.table {
    color: var(--bs-body-color);
    border-color: var(--bs-border-color);
}

.table-dark {
    --bs-table-bg: var(--bs-dark);
    --bs-table-border-color: var(--bs-border-color);
    --bs-table-hover-bg: rgba(35, 134, 54, 0.05);
}

.table-hover tbody tr {
    transition: all 0.2s ease;
}

.table-hover tbody tr:hover {
    background-color: rgba(35, 134, 54, 0.05) !important;
    transform: translateX(2px);
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    padding: 1rem 0.75rem;
    border-bottom: 2px solid var(--bs-border-color);
    color: #f0f6fc;
}

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

.table-responsive {
    overflow-x: auto;
    border-radius: 0.5rem;
}

/* ============================================
   Alert Stilleri
   ============================================ */
.alert {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.5rem;
    animation: slideIn 0.3s ease;
    padding: 1rem 1.25rem;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: linear-gradient(135deg, rgba(35, 134, 54, 0.15) 0%, rgba(35, 134, 54, 0.05) 100%);
    border-color: var(--bs-success);
    border-left: 4px solid var(--bs-success);
    color: #56d364;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(248, 81, 73, 0.15) 0%, rgba(248, 81, 73, 0.05) 100%);
    border-color: var(--bs-danger);
    border-left: 4px solid var(--bs-danger);
    color: #ff7b72;
}

.alert-info {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.15) 0%, rgba(88, 166, 255, 0.05) 100%);
    border-color: var(--bs-info);
    border-left: 4px solid var(--bs-info);
    color: #79c0ff;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(187, 128, 9, 0.15) 0%, rgba(187, 128, 9, 0.05) 100%);
    border-color: var(--bs-warning);
    border-left: 4px solid var(--bs-warning);
    color: #e3b341;
}

.alert-dismissible .btn-close {
    filter: invert(1);
}

/* ============================================
   Sidebar Stilleri
   ============================================ */
.sidebar {
    background-color: var(--bs-dark) !important;
    border-right: 1px solid var(--bs-border-color);
    min-height: calc(100vh - 56px);
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.2s ease;
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 600;
}

.sidebar .nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* ============================================
   Progress Bar
   ============================================ */
.progress {
    height: 30px;
    border-radius: 0.5rem;
    background-color: var(--bs-dark);
    overflow: hidden;
}

.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    background: var(--gradient-primary);
    transition: width 0.6s ease;
}

.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

/* ============================================
   Loading Spinner
   ============================================ */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

.spinner-border {
    border-color: var(--bs-primary);
    border-right-color: transparent;
}

/* Custom Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 17, 23, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

/* ============================================
   Dropdown Stilleri
   ============================================ */
.dropdown-menu {
    background-color: var(--bs-dark);
    border-color: var(--bs-border-color);
    box-shadow: var(--shadow-lg);
    border-radius: 0.5rem;
    padding: 0.5rem;
}

.dropdown-item {
    color: var(--bs-body-color);
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-item:hover {
    background-color: var(--bs-card-bg);
    color: var(--bs-primary);
}

.dropdown-item.text-danger:hover {
    background-color: rgba(248, 81, 73, 0.1);
    color: var(--bs-danger);
}

.dropdown-divider {
    border-color: var(--bs-border-color);
    margin: 0.5rem 0;
}

/* ============================================
   Modal Stilleri
   ============================================ */
.modal-content {
    background-color: var(--bs-card-bg);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
}

.modal-header {
    border-bottom-color: var(--bs-border-color);
}

.modal-footer {
    border-top-color: var(--bs-border-color);
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(2px);
}

/* ============================================
   Navbar Stilleri
   ============================================ */
.navbar {
    background-color: var(--bs-dark) !important;
    border-bottom: 1px solid var(--bs-border-color);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
    color: #f0f6fc !important;
    transition: color 0.2s ease;
}

.navbar-brand:hover {
    color: var(--bs-primary) !important;
}

.nav-link {
    color: #c9d1d9 !important;
    transition: color 0.2s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--bs-primary) !important;
}

.nav-link.active {
    color: var(--bs-primary) !important;
}

/* ============================================
   Scrollbar Stilleri
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bs-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bs-border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}

/* Firefox Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--bs-border-color) var(--bs-dark);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-secondary {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-primary {
    box-shadow: var(--shadow-primary);
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .alert {
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 576px) {
    .card {
        border-radius: 0.375rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-group {
        width: 100%;
    }
    
    .btn-group .btn {
        flex: 1;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .sidebar,
    .navbar,
    .btn,
    .alert,
    .dropdown,
    .modal {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000;
        page-break-inside: avoid;
    }
    
    body {
        background: #fff;
        color: #000;
    }
}