/**
 * MR Finansal Yönetim Sistemi
 * Ana CSS Dosyası
 */

/* ============================================
   CSS VARIABLES - LIGHT THEME
   ============================================ */
:root {
    /* MR Kurumsal Renkler */
    --mr-primary: #1a56db;
    --mr-primary-dark: #1e3a8a;
    --mr-primary-light: #3b82f6;
    --mr-gradient: linear-gradient(135deg, #1a56db 0%, #1e3a8a 100%);

    /* Temel Renkler */
    --white: #ffffff;
    --black: #000000;

    /* Gri Tonları */
    --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;

    /* Durum Renkleri */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    /* Layout */
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* Text */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;

    /* Navbar */
    --navbar-bg: linear-gradient(135deg, #1a56db 0%, #1e3a8a 100%);
    --navbar-text: #ffffff;

    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', var(--font-sans);

    /* Spacing */
    --sidebar-width: 260px;
    --navbar-height: 64px;
    --footer-height: 50px;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition: all 0.2s ease;
}

/* ============================================
   CSS VARIABLES - DARK THEME
   ============================================ */
[data-theme="dark"] {
    --mr-primary-light: #60a5fa;

    --bg-body: #111827;
    --bg-card: #1f2937;
    --bg-input: #374151;
    --border-color: #374151;

    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
}

/* ============================================
   BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
}

a {
    color: var(--mr-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--mr-primary-dark);
}

[data-theme="dark"] a {
    color: var(--mr-primary-light);
}

/* ============================================
   NAVBAR STYLES
   ============================================ */
.navbar-main {
    background: var(--navbar-bg);
    padding: 0.5rem 1rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.navbar-main .navbar-brand {
    display: flex;
    align-items: center;
    color: var(--navbar-text);
    font-weight: 600;
}

.navbar-main .navbar-logo {
    height: 36px;
    margin-right: 0.5rem;
}

.navbar-main .brand-text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.navbar-main .nav-link {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.navbar-main .nav-link:hover,
.navbar-main .nav-link.active {
    color: var(--navbar-text);
    background: rgba(255, 255, 255, 0.15);
}

.navbar-main .dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
}

.navbar-main .dropdown-item {
    color: var(--text-primary);
    padding: 0.5rem 1rem;
}

.navbar-main .dropdown-item:hover {
    background: var(--gray-100);
    color: var(--mr-primary);
}

[data-theme="dark"] .navbar-main .dropdown-item:hover {
    background: var(--gray-700);
}

.navbar-main .dropdown-header {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* User Avatar */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.5rem;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-initials {
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
}

.user-dropdown {
    display: flex;
    align-items: center;
}

/* Badge Notification */
.badge-notification {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 0.65rem;
    padding: 0.15rem 0.35rem;
    border-radius: 50%;
    transform: translate(25%, -25%);
}

.nav-item {
    position: relative;
}

/* Notification Dropdown */
.notification-dropdown {
    width: 320px;
    max-height: 400px;
}

.notification-dropdown .dropdown-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.notification-list {
    max-height: 280px;
    overflow-y: auto;
}

.dropdown-footer {
    padding: 0.5rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    min-height: calc(100vh - var(--navbar-height) - var(--footer-height));
    padding: 1.5rem;
}

/* ============================================
   FOOTER STYLES
   ============================================ */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    font-size: 0.85rem;
}

.footer .slogan-text {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--mr-primary);
}

[data-theme="dark"] .footer .slogan-text {
    color: var(--mr-primary-light);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    font-weight: 500;
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.btn-primary {
    background: var(--mr-primary);
    border-color: var(--mr-primary);
}

.btn-primary:hover {
    background: var(--mr-primary-dark);
    border-color: var(--mr-primary-dark);
}

.btn-gradient {
    background: var(--mr-gradient);
    border: none;
    color: white;
}

.btn-gradient:hover {
    opacity: 0.9;
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    color: var(--mr-primary);
    border-color: var(--mr-primary);
}

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

/* ============================================
   FORMS
   ============================================ */
.form-control,
.form-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--mr-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
    background: var(--bg-input);
    color: var(--text-primary);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.input-group-text {
    background: var(--gray-100);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .input-group-text {
    background: var(--gray-700);
}

/* ============================================
   TABLES
   ============================================ */
.table {
    color: var(--text-primary);
}

.table > :not(caption) > * > * {
    background-color: transparent;
    border-bottom-color: var(--border-color);
    padding: 0.75rem 1rem;
}

.table > thead {
    background: var(--gray-50);
}

[data-theme="dark"] .table > thead {
    background: var(--gray-800);
}

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

[data-theme="dark"] .table-hover > tbody > tr:hover > * {
    background-color: var(--gray-700);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border-radius: var(--radius);
    border: none;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
}

.alert-danger {
    background: var(--danger-light);
    color: #991b1b;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
}

.alert-info {
    background: var(--info-light);
    color: #1e40af;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    border-radius: var(--radius-sm);
}

/* ============================================
   MODALS
   ============================================ */
.modal-content {
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-primary {
    color: var(--mr-primary) !important;
}

.bg-primary {
    background-color: var(--mr-primary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--gray-800);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 991.98px) {
    .navbar-main .navbar-collapse {
        background: var(--mr-primary-dark);
        margin: 0.5rem -1rem -0.5rem;
        padding: 1rem;
        border-radius: 0 0 var(--radius) var(--radius);
    }

    .navbar-main .nav-link {
        padding: 0.75rem 1rem;
    }

    .main-content {
        padding: 1rem;
    }
}

@media (max-width: 575.98px) {
    .main-content {
        padding: 0.75rem;
    }

    .card-body {
        padding: 1rem;
    }
}