/* ========================================
   Finans Takip Sistemi - Ana Stil Dosyası
   Koyu Tema | Modern Kart Yapısı | Responsive
   ======================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #141025;
    --bg-secondary: #1a1433;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-input: rgba(255, 255, 255, 0.06);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(139, 92, 246, 0.5);
    --text-primary: #f1f0f5;
    --text-secondary: #a09cb5;
    --text-muted: #6b6680;
    --accent-purple: #8b5cf6;
    --accent-purple-light: #a78bfa;
    --accent-blue: #6366f1;
    --accent-green: #34d399;
    --accent-red: #f87171;
    --accent-yellow: #fbbf24;
    --accent-orange: #fb923c;
    --accent-gold: #f59e0b;
    --accent-silver: #94a3b8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #141025, #1a1433);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 3px;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: rgba(20, 16, 37, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-brand .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: white;
}

.navbar-brand .brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-secondary);
}

.navbar-user .role-badge {
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.role-badge.admin {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple-light);
}

.role-badge.viewer {
    background: rgba(148, 163, 184, 0.15);
    color: var(--accent-silver);
}

.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.2);
    border-radius: 999px;
    color: var(--accent-red);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(248, 113, 113, 0.2);
    border-color: rgba(248, 113, 113, 0.4);
    transform: translateY(-1px);
}

/* ========================================
   MAIN CONTAINER
   ======================================== */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* ========================================
   STAT CARDS GRID
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card.income::before {
    background: linear-gradient(90deg, var(--accent-green), #6ee7b7);
}

.stat-card.expense::before {
    background: linear-gradient(90deg, var(--accent-red), #fca5a5);
}

.stat-card.net::before {
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
}

.stat-card.fund::before {
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
}

.stat-card.gold::before {
    background: linear-gradient(90deg, var(--accent-gold), #fcd34d);
}

.stat-card.silver::before {
    background: linear-gradient(90deg, var(--accent-silver), #cbd5e1);
}

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}

.stat-card.income .stat-icon {
    background: rgba(52, 211, 153, 0.12);
}

.stat-card.expense .stat-icon {
    background: rgba(248, 113, 113, 0.12);
}

.stat-card.net .stat-icon {
    background: rgba(139, 92, 246, 0.12);
}

.stat-card.fund .stat-icon {
    background: rgba(251, 146, 60, 0.12);
}

.stat-card.gold .stat-icon {
    background: rgba(245, 158, 11, 0.12);
}

.stat-card.silver .stat-icon {
    background: rgba(148, 163, 184, 0.12);
}

.stat-card .stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 6px;
}

.stat-card .stat-value {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.stat-card.income .stat-value {
    color: var(--accent-green);
}

.stat-card.expense .stat-value {
    color: var(--accent-red);
}

.stat-card.net .stat-value {
    color: var(--accent-purple-light);
}

.stat-card.fund .stat-value {
    color: var(--accent-orange);
}

.stat-card.gold .stat-value {
    color: var(--accent-gold);
}

.stat-card.silver .stat-value {
    color: var(--accent-silver);
}

/* ========================================
   SECTION TITLES
   ======================================== */
.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title .title-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: rgba(139, 92, 246, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
}

/* ========================================
   CHARTS
   ======================================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

.chart-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.chart-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.chart-card canvas {
    width: 100% !important;
    max-height: 300px;
}

/* ========================================
   ACTION PANELS (Admin Only)
   ======================================== */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.action-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.action-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a09cb5' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select.form-control option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.45);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-green), #10b981);
    color: white;
    box-shadow: 0 4px 12px rgba(52, 211, 153, 0.3);
}

.btn-success:hover {
    box-shadow: 0 6px 20px rgba(52, 211, 153, 0.45);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    color: #1a1433;
    box-shadow: 0 4px 12px rgba(251, 146, 60, 0.3);
}

.btn-warning:hover {
    box-shadow: 0 6px 20px rgba(251, 146, 60, 0.45);
    transform: translateY(-2px);
}

.btn-gold {
    background: linear-gradient(135deg, var(--accent-gold), #d97706);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-gold:hover {
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
    transform: translateY(-2px);
}

.btn-export {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-export:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* ========================================
   TRANSACTIONS TABLE
   ======================================== */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 40px;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.table-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    padding: 14px 20px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

tbody td {
    padding: 14px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

tbody tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-income {
    background: rgba(52, 211, 153, 0.12);
    color: var(--accent-green);
}

.badge-expense {
    background: rgba(248, 113, 113, 0.12);
    color: var(--accent-red);
}

.amount-income {
    color: var(--accent-green);
    font-weight: 600;
}

.amount-expense {
    color: var(--accent-red);
    font-weight: 600;
}

/* ========================================
   TOAST / NOTIFICATION
   ======================================== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: white;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 280px;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
}

.toast.success {
    background: rgba(16, 185, 129, 0.9);
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.toast.error {
    background: rgba(239, 68, 68, 0.9);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.toast.fadeout {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    to {
        opacity: 0;
        transform: translateX(40px);
    }
}

/* ========================================
   LOGIN PAGE
   ======================================== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.login-card .login-logo {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    color: white;
    margin: 0 auto 24px;
}

.login-card h1 {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.login-card .login-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    margin-top: 8px;
}

.login-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.2);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--accent-red);
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
}

/* ========================================
   LOADING SPINNER
   ======================================== */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .navbar {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 12px;
    }

    .navbar-right {
        width: 100%;
        justify-content: space-between;
    }

    .main-container {
        padding: 20px 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 18px;
    }

    .stat-card .stat-value {
        font-size: 20px;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .actions-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    table {
        font-size: 13px;
    }

    thead th,
    tbody td {
        padding: 10px 14px;
    }

    .login-card {
        padding: 32px 24px;
    }

    .page-header h1 {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .navbar-brand .brand-text {
        font-size: 16px;
    }

    .stat-card .stat-value {
        font-size: 18px;
    }
}

/* ========================================
   ANIMATION UTILITIES
   ======================================== */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-1 {
    animation-delay: 0.05s;
}

.stagger-2 {
    animation-delay: 0.1s;
}

.stagger-3 {
    animation-delay: 0.15s;
}

.stagger-4 {
    animation-delay: 0.2s;
}

.stagger-5 {
    animation-delay: 0.25s;
}

.stagger-6 {
    animation-delay: 0.3s;
}

/* ========================================
   REVERTED (GERİ ALINMIŞ) SATIRLAR
   ======================================== */
tbody tr.reverted {
    opacity: 0.4;
}

tbody tr.reverted td {
    text-decoration: line-through;
    text-decoration-color: rgba(255, 255, 255, 0.15);
}

tbody tr.reverted td:last-child {
    text-decoration: none;
}

.badge-reverted {
    background: rgba(107, 102, 128, 0.2);
    color: var(--text-muted);
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-revert {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    background: rgba(251, 146, 60, 0.1);
    border: 1px solid rgba(251, 146, 60, 0.25);
    border-radius: 6px;
    color: var(--accent-orange);
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-revert:hover {
    background: rgba(251, 146, 60, 0.2);
    border-color: rgba(251, 146, 60, 0.45);
    transform: translateY(-1px);
}

.btn-revert:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}