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

:root {
    --bg: #edf7ff;
    --surface: #ffffff;
    --surface-soft: #f7fbff;
    --border: #c7ddff;
    --border-strong: #94bdf8;
    --text: #172554;
    --muted: #facc15;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-bright: #06b6d4;
    --success: #16a34a;
    --warning: #f59e0b;
    --danger: #dc2626;
    --info: #0891b2;
    --purple: #7c3aed;
    --pink: #db2777;
    --radius: 8px;
    --radius-sm: 5px;
    --shadow: 0 10px 28px rgba(37, 99, 235, 0.1);
    --shadow-sm: 0 3px 10px rgba(37, 99, 235, 0.09);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0 !important;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.16), transparent 34rem),
        radial-gradient(circle at bottom right, rgba(245, 158, 11, 0.18), transparent 30rem),
        linear-gradient(135deg, #edf7ff 0%, #f8fbff 48%, #fff7ed 100%) !important;
    color: var(--text) !important;
    font-family: Inter, "Segoe UI", Arial, sans-serif !important;
    font-size: 14px;
    line-height: 1.5;
    padding: 18px !important;
}

a {
    color: var(--primary);
}

h1, h2, h3, h4 {
    color: var(--text);
    letter-spacing: 0;
    line-height: 1.25;
}

h1 {
    font-size: 24px;
    margin: 0;
}

h2 {
    font-size: 20px;
}

h3 {
    font-size: 17px;
}

.container {
    width: 100% !important;
    max-width: none !important;
    margin: 0 auto !important;
    background: var(--surface) !important;
    color: var(--text) !important;
    border: 1px solid rgba(148, 189, 248, 0.75) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    padding: 22px !important;
}

/* Operational page shells should use all available browser width. */
body > .page,
body > .page-wrapper,
body > .main-wrapper,
body > .content-wrapper,
body > .viewer-shell {
    width: 100% !important;
    max-width: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.header,
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px !important;
    padding-bottom: 14px !important;
    border-bottom: 1px solid var(--border) !important;
}

.header h1 {
    color: var(--text) !important;
    background: none !important;
    -webkit-text-fill-color: currentColor !important;
}

.nav-links,
.menu,
.hizli-islemler,
.filter-bar,
.action-links,
.actions,
.button-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px !important;
}

.menu {
    background: linear-gradient(135deg, #eff6ff, #ecfeff) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    padding: 10px !important;
    margin-bottom: 18px !important;
}

.menu a,
.nav-links a,
.hizli-islemler a,
.action-links a,
.actions a,
.btn,
.btn-primary,
.btn-secondary,
.btn-info,
.btn-warning,
.btn-purple,
.btn-filter,
.btn-reset,
.home-link,
button,
input[type="submit"] {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px !important;
    border: 1px solid transparent !important;
    border-radius: var(--radius-sm) !important;
    color: #ffffff !important;
    background: var(--primary) !important;
    font-family: inherit !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    text-decoration: none !important;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.menu a:hover,
.nav-links a:hover,
.hizli-islemler a:hover,
.action-links a:hover,
.actions a:hover,
.btn:hover,
.btn-primary:hover,
button:hover,
input[type="submit"]:hover {
    background: var(--primary-dark) !important;
    box-shadow: var(--shadow-sm);
    transform: none !important;
}

.btn-secondary,
.btn-back,
.home-link,
.menu .anasayfa,
.menu .cariler,
.menu .dashboard,
.menu .raporlar {
    background: var(--purple) !important;
}

.btn-success,
.btn-fatura,
.btn-yazdir,
.btn-yazdir-small,
.btn-filter,
.menu .aktif {
    background: var(--success) !important;
}

.btn-warning,
.btn-makbuz,
.btn-warning,
.menu .raporlar {
    background: var(--warning) !important;
}

.btn-danger,
.btn-sil,
.btn-sil-small,
.btn-reset,
.logout-btn,
.menu .islem-sil {
    background: var(--danger) !important;
}

.btn-info,
.btn-detay,
.btn-detay-small,
.btn-duzenle,
.btn-duzenle-small {
    background: var(--info) !important;
}

.btn-sm,
.action-links a {
    min-height: 28px;
    padding: 5px 9px !important;
    font-size: 12px !important;
}

.card,
.table-section,
.cari-list,
.filter-box,
.filter-section,
.ozet-item,
.alt-cari-box,
.success-box,
.bakiye-box {
    background: var(--surface-soft) !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: none !important;
}

.card {
    margin-bottom: 18px !important;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-bright)) !important;
    color: #ffffff !important;
    padding: 13px 16px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22) !important;
}

.card-header h1,
.card-header h2,
.card-header h3 {
    color: #ffffff !important;
    margin: 0;
}

.card-body {
    padding: 16px !important;
}

.cari-kart,
.stat-card,
.action-card {
    background: linear-gradient(135deg, var(--primary), var(--info) 58%, var(--warning)) !important;
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-sm) !important;
}

.cari-kart h1,
.cari-kart h2,
.cari-kart h3,
.stat-card h1,
.stat-card h2,
.stat-card h3,
.action-card h1,
.action-card h2,
.action-card h3,
.cari-kart a {
    color: #ffffff !important;
}

.bakiye-kutucuk {
    background: rgba(255, 255, 255, 0.12) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: var(--radius) !important;
}

.stats,
.ozet-kutusu,
.tables-container,
.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px !important;
}

.filter-bar,
.filter-box,
.filter-section {
    padding: 12px !important;
    margin-bottom: 16px !important;
}

.filter-bar form,
.filter-form,
.search-form {
    display: flex;
    align-items: end;
    flex-wrap: wrap;
    gap: 10px !important;
    width: 100%;
}

.form-group {
    margin-bottom: 14px !important;
}

.form-group label,
.filter-group label {
    display: block !important;
    margin-bottom: 6px !important;
    color: var(--text) !important;
    font-weight: 600 !important;
    font-size: 13px !important;
}

input,
select,
textarea {
    max-width: 100%;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="email"],
input[type="password"],
input[type="file"],
select,
textarea,
.form-control {
    width: 100%;
    min-height: 38px;
    background: #ffffff !important;
    color: var(--text) !important;
    border: 1px solid var(--border-strong) !important;
    border-radius: var(--radius-sm) !important;
    padding: 8px 10px !important;
    font-family: inherit !important;
    font-size: 14px !important;
    box-shadow: none !important;
}

textarea {
    min-height: 82px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(37, 99, 235, 0.16) !important;
    border-color: var(--primary) !important;
}

table {
    width: 100%;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    background: #ffffff !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    overflow: hidden;
}

table.resizable-columns {
    table-layout: fixed;
}

table.resizable-columns th {
    position: relative;
    user-select: none;
}

table.resizable-columns th a {
    padding-right: 10px;
}

.column-resizer {
    position: absolute;
    top: 0;
    right: -4px;
    width: 8px;
    height: 100%;
    cursor: col-resize;
    z-index: 2;
    touch-action: none;
}

.column-resizer::after {
    content: "";
    position: absolute;
    top: 20%;
    right: 3px;
    width: 2px;
    height: 60%;
    background: transparent;
    border-radius: 2px;
}

.column-resizer:hover::after,
table.is-resizing .column-resizer::after {
    background: var(--primary);
}

body.is-column-resizing {
    cursor: col-resize;
    user-select: none;
}

th {
    background: linear-gradient(135deg, #fff8db, #fef3c7) !important;
    color: #704214 !important;
    padding: 10px 12px !important;
    border-bottom: 1px solid var(--border) !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    text-align: left;
    white-space: nowrap;
}

td {
    padding: 10px 12px !important;
    border-bottom: 1px solid #eef1f5 !important;
    color: var(--text) !important;
    font-size: 13px !important;
    vertical-align: middle;
}

tbody tr:last-child td {
    border-bottom: 0 !important;
}

tbody tr:hover {
    background: #fff9e8 !important;
}

.table-wrapper,
.table-responsive,
div[style*="overflow-x"] {
    overflow-x: auto;
}

.pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px !important;
    margin-top: 18px !important;
}

.pagination a,
.pagination span {
    min-width: 34px;
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 10px !important;
    background: #ffffff !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    text-decoration: none !important;
}

.pagination .active,
.pagination a.active {
    background: var(--primary) !important;
    color: #ffffff !important;
    border-color: var(--primary) !important;
}

.message,
.alert,
.success-box,
.warning-box {
    padding: 12px 14px !important;
    margin: 12px 0 16px !important;
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border) !important;
}

.success,
.alert-success {
    background: #ecfdf3 !important;
    color: #065f46 !important;
    border-color: #abefc6 !important;
}

.error,
.alert-error,
.alert-danger {
    background: #fef3f2 !important;
    color: #991b1b !important;
    border-color: #fecdca !important;
}

.warning,
.alert-warning,
.warning-box {
    background: #fffaeb !important;
    color: #92400e !important;
    border-color: #fedf89 !important;
}

.info,
.alert-info {
    background: #eff8ff !important;
    color: #175cd3 !important;
    border-color: #b2ddff !important;
}

.borc-bakiye,
.tutar-borc,
.negative {
    color: var(--danger) !important;
    font-weight: 700 !important;
}

.alacak-bakiye,
.tutar-alacak,
.positive {
    color: var(--success) !important;
    font-weight: 700 !important;
}

.sifir-bakiye {
    color: #475467 !important;
}

.muted {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 6px;
    background: #172554 !important;
    color: var(--muted) !important;
    font-weight: 700 !important;
}

.badge,
.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 4px 8px !important;
    border-radius: 999px !important;
    background: #dbeafe !important;
    color: #1e40af !important;
    font-size: 12px !important;
    font-weight: 700 !important;
}

.no-result {
    text-align: center !important;
    color: var(--muted) !important;
    background: #172554 !important;
    padding: 28px 16px !important;
    border-radius: 8px !important;
    font-weight: 700 !important;
}

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mt-4 { margin-top: 18px !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 18px !important; }

@media (max-width: 768px) {
    body {
        padding: 10px !important;
    }

    .container {
        padding: 14px !important;
    }

    .header,
    .page-header {
        align-items: stretch;
    }

    .nav-links,
    .menu,
    .hizli-islemler,
    .filter-bar form,
    .filter-form,
    .search-form {
        align-items: stretch;
    }

    .nav-links a,
    .menu a,
    .hizli-islemler a,
    .btn,
    button,
    input[type="submit"] {
        width: 100%;
        white-space: normal;
    }

    th,
    td {
        padding: 8px !important;
        font-size: 12px !important;
    }
}

/* Bootstrap tabanli eski sayfalarda koyu gri gorunumu renklendirir. */
.navbar.bg-dark,
.navbar.navbar-dark.bg-dark {
    background: linear-gradient(135deg, var(--primary), var(--info), var(--warning)) !important;
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.18) !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.92) !important;
    border-radius: var(--radius-sm);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.16) !important;
}

.bg-dark,
.btn-dark,
.table-dark {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.calendar-weekday {
    background: linear-gradient(135deg, var(--primary), var(--info)) !important;
    color: #ffffff !important;
}

@media print {
    body {
        background: #ffffff !important;
        padding: 0 !important;
    }

    .container {
        width: 100% !important;
        max-width: none !important;
        border: 0 !important;
        box-shadow: none !important;
        padding: 0 !important;
    }

    .menu,
    .nav-links,
    .hizli-islemler,
    .filter-bar,
    .filter-box,
    .pagination,
    .action-links,
    .no-print {
        display: none !important;
    }
}