/* ==========================================================================
   EPDK Şarj@TR Kurumsal Enerji Piyasası Analitik Platformu — Tasarım Tokenları
   Stil: Regülatör Yıllık Raporu & Bloomberg Terminal Veri Yoğunluğu
   ========================================================================== */

:root {
    /* Zemin ve Yüzeyler (Kırık Beyaz / Kâğıt Tonu) */
    --bg-page: #F7F6F2;
    --bg-surface: #FFFFFF;
    --bg-subtle: #EFECE6;
    --bg-hover: #EAE6DF;

    /* Kenarlıklar (Gölge yerine 1px ince çizgiler) */
    --border-color: #D8D4CA;
    --border-strong: #B5AFA2;

    /* Metin Renkleri (Koyu Lacivert / Petrol Ana Ton) */
    --text-primary: #0F2537;
    --text-secondary: #3E4C59;
    --text-muted: #68737E;

    /* Kurumsal Ana Vurgu ve Semantik Enerji Tonları */
    --brand-primary: #0F2537;
    --brand-interactive: #164E63;

    /* DC Hızlı Şarj — Tek Sıcak Ton (Amber / Toprak Turuncusu) */
    --accent-dc: #C86400;
    --accent-dc-strong: #9A4B00;
    --accent-dc-bg: #FCF0DC;
    --accent-dc-border: #E5C185;

    /* AC Standart Şarj — Tek Soğuk Ton (Petrol Yeşili) */
    --accent-ac: #0E6B75;
    --accent-ac-strong: #094D55;
    --accent-ac-bg: #E2F2F4;
    --accent-ac-border: #9CCAD0;

    /* Uyarı / Arıza / >100km Boşluk — Yalnızca Kırmızı */
    --status-danger: #B91C1C;
    --status-danger-bg: #FDE8E8;
    --status-danger-border: #F2A6A6;

    /* Veri Niteliği Rozetleri (Ölçülen vs Tahmini) */
    --badge-measured-bg: #E5EEF5;
    --badge-measured-text: #0F2537;
    --badge-measured-border: #B3C7D6;

    --badge-estimated-bg: #FBF0D9;
    --badge-estimated-text: #854600;
    --badge-estimated-border: #DFC086;

    /* Tipografi ve Düzen */
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --radius-sm: 3px;
    --radius-md: 4px;
    --transition-fast: 160ms ease-out;
}

[data-theme="dark"] {
    --bg-page: #111519;
    --bg-surface: #181E24;
    --bg-subtle: #202830;
    --bg-hover: #26303A;

    --border-color: #2C3640;
    --border-strong: #414F5E;

    --text-primary: #E6EDF3;
    --text-secondary: #B1BAC4;
    --text-muted: #7D8996;

    --brand-primary: #7DD3FC;
    --brand-interactive: #38BDF8;

    --accent-dc: #F59E0B;
    --accent-dc-strong: #FBBF24;
    --accent-dc-bg: rgba(245, 158, 11, 0.14);
    --accent-dc-border: rgba(245, 158, 11, 0.38);

    --accent-ac: #14B8A6;
    --accent-ac-strong: #2DD4BF;
    --accent-ac-bg: rgba(20, 184, 166, 0.14);
    --accent-ac-border: rgba(20, 184, 166, 0.38);

    --status-danger: #EF4444;
    --status-danger-bg: rgba(239, 68, 68, 0.15);
    --status-danger-border: rgba(239, 68, 68, 0.40);

    --badge-measured-bg: #1B2A38;
    --badge-measured-text: #93C5FD;
    --badge-measured-border: #2F4B66;

    --badge-estimated-bg: #302310;
    --badge-estimated-text: #FCD34D;
    --badge-estimated-border: #5E431E;
}

/* Temel Sıfırlama & Kurumsal Tipografi */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
}

/* Tabular Rakam Sınıfı (Tüm Sayılar, KPI'lar ve Tablo Hücreleri İçin) */
.num, .tabular-nums, td.num, th.num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.015em;
}

/* 12 Sütunlu Kurumsal Grid */
.container-12 {
    max-width: 1520px;
    margin: 0 auto;
    padding: 0 20px;
}

.grid-12 {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 12px;
}

.col-12 { grid-column: span 12 / span 12; }
.col-8  { grid-column: span 8 / span 8; }
.col-7  { grid-column: span 7 / span 7; }
.col-6  { grid-column: span 6 / span 6; }
.col-5  { grid-column: span 5 / span 5; }
.col-4  { grid-column: span 4 / span 4; }
.col-3  { grid-column: span 3 / span 3; }

@media (max-width: 1100px) {
    .col-8, .col-7, .col-6, .col-5, .col-4 { grid-column: span 12 / span 12; }
    .col-3 { grid-column: span 6 / span 6; }
}
@media (max-width: 640px) {
    .col-3 { grid-column: span 6 / span 6; }
    .container-12 { padding: 0 12px; }
}

/* Kurumsal Panel / Kart (Gölgesiz, 1px Çizgili, Maks 4px Köşe) */
.panel {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}

.panel-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.panel-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin: 2px 0 0 0;
}

.panel-body {
    padding: 14px;
    flex: 1;
}

.panel-footer {
    padding: 7px 14px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-subtle);
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

/* Veri Niteliği Rozetleri: ÖLÇÜLEN vs TAHMİNİ */
.badge-data {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 1px 6px;
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
    cursor: help;
    white-space: nowrap;
    line-height: 1.4;
}

.badge-measured {
    background-color: var(--badge-measured-bg);
    color: var(--badge-measured-text);
    border: 1px solid var(--badge-measured-border);
}

.badge-estimated {
    background-color: var(--badge-estimated-bg);
    color: var(--badge-estimated-text);
    border: 1px solid var(--badge-estimated-border);
}

.badge-dc {
    background-color: var(--accent-dc-bg);
    color: var(--accent-dc);
    border: 1px solid var(--accent-dc-border);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: var(--radius-sm);
}

.badge-ac {
    background-color: var(--accent-ac-bg);
    color: var(--accent-ac);
    border: 1px solid var(--accent-ac-border);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: var(--radius-sm);
}

.badge-danger {
    background-color: var(--status-danger-bg);
    color: var(--status-danger);
    border: 1px solid var(--status-danger-border);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: var(--radius-sm);
}

/* KPI Kartları */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

@media (max-width: 1100px) {
    .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.kpi-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 11px 13px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color var(--transition-fast);
}

.kpi-card:hover {
    border-color: var(--border-strong);
}

.kpi-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 6px;
}

.kpi-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.kpi-value-row {
    margin-top: 6px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
}

.kpi-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 21px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.15;
}

.kpi-unit {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-left: 3px;
}

.kpi-bottom {
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
}

.delta-up {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-ac);
}

.delta-down {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--status-danger);
}

/* Sekme (Tab) Navigasyonu */
.nav-tabs {
    display: flex;
    align-items: center;
    gap: 2px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    padding: 0 20px;
    overflow-x: auto;
}

.nav-tab {
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-tab:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.nav-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-dc);
    font-weight: 700;
}

/* Form Elemanları ve Butonlar */
.form-control, .form-select {
    width: 100%;
    padding: 6px 9px;
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--text-primary);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    outline: 2px solid var(--brand-interactive);
    outline-offset: -1px;
    border-color: var(--brand-interactive);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-strong);
}

.btn-primary {
    background-color: var(--brand-primary);
    color: #FFFFFF;
    border-color: var(--brand-primary);
}

[data-theme="dark"] .btn-primary {
    background-color: #1E3A5F;
    color: #FFFFFF;
    border-color: #38BDF8;
}

.btn-primary:hover {
    opacity: 0.92;
}

.btn-xs {
    padding: 3px 8px;
    font-size: 11px;
}

/* Kurumsal Veri Tablosu */
.data-table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.data-table th {
    background-color: var(--bg-subtle);
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 10.5px;
    letter-spacing: 0.03em;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-strong);
    text-align: left;
    white-space: nowrap;
    user-select: none;
}

.data-table th.sortable {
    cursor: pointer;
}

.data-table th.sortable:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.data-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background-color: var(--bg-hover);
}

.data-table th.text-right, .data-table td.text-right {
    text-align: right;
}

/* Skeleton Yükleme Durumu (Spinner Yok) */
@keyframes skeleton-pulse {
    0% { opacity: 0.45; }
    50% { opacity: 0.85; }
    100% { opacity: 0.45; }
}

.skeleton {
    background-color: var(--border-color);
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.4s ease-in-out infinite;
}

/* Erişilebilirlik Desenleri (Renk Tek Başına Bilgi Taşımasın) */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
}

.shape-busy {
    width: 8px;
    height: 8px;
    background-color: var(--accent-dc);
    transform: rotate(45deg); /* Eşkenar dörtgen = Şarjda */
    display: inline-block;
}

.shape-free {
    width: 8px;
    height: 8px;
    background-color: var(--accent-ac);
    border-radius: 50%; /* Daire = Müsait */
    display: inline-block;
}

.shape-fault {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 9px solid var(--status-danger); /* Üçgen = Arıza/Uyarı */
    display: inline-block;
}

/* Kurumsal Harita Karosu Tonlaması */
.leaflet-tile-pane {
    filter: saturate(0.45) contrast(0.98) brightness(1.01);
}
[data-theme="dark"] .leaflet-tile-pane {
    filter: invert(0.9) hue-rotate(180deg) saturate(0.4) contrast(0.9);
}