:root {
    --primary: #4f46e5;
    --primary-600: #4338ca;
    --primary-50: #eef2ff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #111827;
    --text: #111827;
    --light-text: #6b7280;
    --muted: #f3f4f6;
    --background: #f8fafc;
    --card-bg: #ffffff;
    --border: #e5e7eb;
    --border-radius: 14px;
    --shadow: 0 6px 20px rgba(2,6,23,0.06);
    --shadow-sm: 0 2px 8px rgba(2,6,23,0.06);
    --transition: all 0.25s ease;
}

/* Dark theme */
.theme-dark {
    --primary: #818cf8;
    --primary-600: #6366f1;
    --primary-50: #1f2333;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --dark: #e5e7eb;
    --text: #e5e7eb;
    --light-text: #9ca3af;
    --muted: #0b1220;
    --background: #0b1220;
    --card-bg: #0f172a;
    --border: #1f2937;
    --shadow: 0 6px 20px rgba(0,0,0,0.35);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
}

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(180deg, var(--background), var(--muted) 60%);
    color: var(--text);
    line-height: 1.6;
    padding: 24px;
}

body.modal-open { overflow: hidden; touch-action: none; }

/* Modal açıkken arka plandaki içeriğe hover gelmesin */
body.modal-open .app-header,
body.modal-open #app {
    pointer-events: none;
}
body.modal-open .modal.show {
    pointer-events: auto;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin: 0 0 20px 0;
    padding: 16px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1000;
}

.app-header .brand {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-header .brand i { color: var(--primary); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

#app {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 24px;
}

@media (max-width: 768px) {
    #app {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.2s ease, box-shadow var(--transition);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(2,6,23,0.08);
}

/* Modal açıkken hover efektlerini devre dışı bırak */
body.modal-open .card:hover {
    transform: none;
    box-shadow: var(--shadow);
}
body.modal-open #expenses-table tbody tr:hover,
body.modal-open #monthly-report tbody tr:hover,
body.modal-open #subscriptions-table tbody tr:hover {
    background: inherit;
}

h2 {
    color: var(--dark);
    margin-bottom: 24px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

h2 i {
    color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: 40px 1fr;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.form-row label {
    color: var(--light-text);
    font-size: 1.2rem;
    text-align: center;
}

input, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--muted);
}
input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--card-bg);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

input::placeholder {
    color: #b2bec3;
}

.primary-btn {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(79, 70, 229, 0.18);
}

.secondary-btn {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 10px;
    padding: 10px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.secondary-btn:hover {
    background: var(--primary-50);
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text);
    transition: var(--transition);
}
.icon-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

#notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    background: var(--primary);
    color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

#monthly-report {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 16px;
}

#monthly-report th,
#monthly-report td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
#monthly-report tr:nth-child(even) {
    background-color: var(--muted);
}

#monthly-report th {
    background: var(--muted);
    font-weight: 600;
    color: var(--text);
}

#monthly-report tr:last-child td {
    border-bottom: none;
}

#monthly-report tbody tr {
    transition: var(--transition);
}

#monthly-report tbody tr:hover {
    background: var(--primary-50);
}

#monthly-report td { color: var(--light-text); }

/* Chart canvas spacing */
#financeChart { 
    background: transparent; 
}

/* Expenses table (list page) */
.table-container {
    width: 100%;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
}

#expenses-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}
#expenses-table thead th {
    position: sticky;
    top: 0;
    background: var(--muted);
    z-index: 1;
    border-bottom: 1px solid var(--border);
}
#expenses-table thead th.sortable { cursor: pointer; user-select: none; }
#expenses-table thead th.sortable:hover { color: var(--primary-600); }

#expenses-table th, #expenses-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
#expenses-table tbody tr:nth-child(even) { background: var(--muted); }
#expenses-table tbody tr:hover { background: var(--primary-50); }

.chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--primary-50);
    color: var(--primary-600);
    font-weight: 600;
    font-size: 0.85rem;
}
.badge {
    display: inline-flex;
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--muted);
    color: var(--light-text);
    font-size: 0.8rem;
    font-weight: 600;
}
.badge.success { background: rgba(16,185,129,0.12); color: #059669; }
.badge.info { background: rgba(79,70,229,0.12); color: #4f46e5; }

.text-ellipsis { max-width: 420px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }

.empty-state { padding: 20px; color: var(--light-text); text-align: center; }
.bulk-bar .light, .table-footer .light { color: var(--light-text); }

/* Selection checkboxes */
.row-check { width: 18px; height: 18px; }

/* Modal - tam ekran kaplayan container */
.modal { 
    position: fixed; 
    inset: 0; 
    z-index: 2000; 
    display: flex;
    align-items: flex-start;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease-out, visibility 0.25s ease-out;
}

.modal.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Backdrop - modal container içinde tam kaplama */
.modal-backdrop { 
    position: absolute; 
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6); 
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    cursor: pointer;
    z-index: 1;
}

/* Modal içerik - backdrop üstünde */
.modal-content { 
    position: relative; 
    max-width: 560px; 
    width: 90%;
    margin-top: 10vh;
    transform: scale(0.95) translateY(-20px);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease-out;
    z-index: 2;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 24px;
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Modal içindeki input'lar */
.modal-content input,
.modal-content select,
.modal-content button {
    pointer-events: auto;
    position: relative;
    z-index: 1;
}

/* Özelleştirme sekme input stilleri */
.settings-tab-content input[type="text"] {
    height: 40px;
    padding: 0 14px;
    font-size: 0.95rem;
}

/* Özelleştirme ekle butonları */
.customize-add-btn {
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    flex-shrink: 0;
}

/* Settings tabs */
.settings-tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--light-text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}
.settings-tab:hover {
    background: var(--muted);
    color: var(--text);
}
.settings-tab.active {
    background: var(--primary-50);
    color: var(--primary);
}

.actions { display: inline-flex; gap: 6px; }
.btn-ghost { background: transparent; border: 1px dashed var(--border); padding: 6px 10px; border-radius: 8px; cursor: pointer; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.actions .icon-btn { width: 34px; height: 34px; padding: 0; }
.bulk-bar { flex-wrap: wrap; }

/* Animasyonlar */
@keyframes slideIn {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.card { animation: slideIn 0.3s ease-out; }

/* Actions buttons container */
.actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
}

.actions .icon-btn {
    width: 32px;
    height: 32px;
    min-width: 32px;
    padding: 0;
    font-size: 0.85rem;
}

/* Subscriptions table */
#subscriptions-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

#subscriptions-table thead th {
    position: sticky;
    top: 0;
    background: var(--muted);
    z-index: 1;
    border-bottom: 1px solid var(--border);
    padding: 12px 10px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

#subscriptions-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    vertical-align: middle;
}

#subscriptions-table tbody tr:nth-child(even) {
    background: var(--muted);
}

#subscriptions-table tbody tr:hover {
    background: var(--primary-50);
}

/* Small helpers */
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--light-text) 50%), linear-gradient(135deg, var(--light-text) 50%, transparent 50%); background-position: calc(100% - 18px) calc(1em + 2px), calc(100% - 13px) calc(1em + 2px); background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

/* Responsive tweaks */
@media (max-width: 900px) {
    .header-actions {
        gap: 6px;
    }
    .header-actions .secondary-btn {
        padding: 8px 10px;
        font-size: 0.85rem;
    }
    .header-actions .secondary-btn span,
    .header-actions .secondary-btn:not(.icon-btn) {
        font-size: 0;
    }
    .header-actions .secondary-btn i {
        font-size: 1rem;
        margin: 0;
    }
}

@media (max-width: 768px) {
    .header-actions .secondary-btn {
        padding: 8px 12px;
    }
    .header-actions .secondary-btn i + *:not(i) {
        display: none;
    }
    
    #subscriptions-table {
        font-size: 0.8rem;
    }
    #subscriptions-table thead th,
    #subscriptions-table td {
        padding: 8px 6px;
    }
    .actions .icon-btn {
        width: 28px;
        height: 28px;
        min-width: 28px;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    body { padding: 12px; }
    .app-header { padding: 10px 12px; }
    #monthly-report th, #monthly-report td { padding: 12px 14px; }
    
    .header-actions {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
}

/* Döviz Çevirici */
.currency-converter {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin: 0 auto 20px;
    max-width: 1100px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.converter-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px;
    flex-wrap: wrap;
}

.converter-input-group,
.converter-result-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 200px;
}

.converter-input-group .currency-symbol,
.converter-result-group .currency-symbol {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 24px;
    text-align: center;
}

.converter-input-group .currency-select {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    background: var(--card-bg);
    color: var(--text);
    cursor: pointer;
    min-width: 100px;
}

.converter-input-group .currency-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.converter-input-group input,
.converter-result-group input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    background: var(--muted);
    color: var(--text);
    min-width: 140px;
}

.converter-result-group input {
    background: rgba(79, 70, 229, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    min-width: 160px;
}

.converter-input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

#convert-btn {
    padding: 10px 12px;
    font-size: 0.85rem;
    white-space: nowrap;
}

#copy-tl-btn,
#add-to-expense-btn,
#clear-converter-btn {
    padding: 10px 12px;
    min-width: 40px;
}

#copy-tl-btn.copied {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

#clear-converter-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.converter-info {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--light-text);
    padding-left: 8px;
}

.converter-info span {
    white-space: nowrap;
}

#current-rate {
    font-weight: 600;
    color: var(--success);
}

@media (max-width: 768px) {
    .converter-content {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .converter-input-group,
    .converter-result-group {
        width: 100%;
    }
    
    .converter-info {
        justify-content: center;
        padding-left: 0;
    }
}