/* ==========================================================================
   KaravanimNerede — Admin Panel Theme
   MotorumNerede admin panelinin ("/www/motorumnerede/admin/styles.css" +
   dashboard.html inline stat-card/SCADA stilleri) karavan markasina uyarlanmis
   tek-dosya tema katmani. Ayni class adlari kullanilir (drop-in): mevcut
   admin-index.html / dashboard.html HTML yapisi degismeden bu dosya
   <link> edilince marka turuncu-kirmizidan (#ff6348) toprak yesili + kamp
   atesi amberine doner.
   Kaynak marka paleti: mobile app lib/main.dart — acik tema seedColor
   #3F6B33, koyu tema primary/secondary #D98B2B.
   ========================================================================== */

:root {
    /* --- Marka: birincil (toprak/orman yesili, mobil acik tema seed) --- */
    --kn-primary: #3F6B33;
    --kn-primary-rgb: 63, 107, 51;
    --kn-primary-dark: #2E4F26;
    --kn-primary-light: #6B9A5C;

    /* --- Marka: ikincil / vurgu (kamp atesi amberi, mobil koyu tema) --- */
    --kn-accent: #D98B2B;
    --kn-accent-rgb: 217, 139, 43;
    --kn-accent-dark: #B8721F;
    --kn-accent-light: #E8AE63;

    /* --- Yuzeyler / metin (acik panel — mevcut MN admin de acik tema) --- */
    --kn-bg: #eef1ec;
    --kn-surface: #ffffff;
    --kn-surface-alt: #f4f6f1;
    --kn-border: rgba(var(--kn-primary-rgb), 0.28);
    --kn-border-strong: var(--kn-primary);
    --kn-text: #1f2a1c;
    --kn-text-muted: #5b6a54;

    /* --- Durum renkleri (marka-tarafsiz, MN ile ayni) --- */
    --kn-status-online: #0f766e;
    --kn-status-warning: #b45309;
    --kn-status-critical: #dc2626;

    /* --- Istatistik karti ikon kategorileri --- */
    --kn-stat-user-bg: rgba(var(--kn-primary-rgb), 0.16);
    --kn-stat-user-color: var(--kn-primary);
    --kn-stat-device-bg: rgba(16, 185, 129, 0.18);
    --kn-stat-device-color: #10b981;
    --kn-stat-rental-bg: rgba(var(--kn-accent-rgb), 0.18);
    --kn-stat-rental-color: var(--kn-accent-dark);
    --kn-stat-db-bg: rgba(139, 92, 246, 0.18);
    --kn-stat-db-color: #8b5cf6;

    /* --- SCADA diyagrami (koyu kanvas, tema modundan bagimsiz — MN ile ayni yaklasim) --- */
    --kn-scada-bg: #1b1f18;
    --kn-scada-node-bg: #262b20;
    --kn-scada-node-border: #4b5563;
    --kn-scada-link: #374151;
    --kn-scada-flow: var(--kn-accent);
    --kn-scada-healthy: #10b981;
    --kn-scada-error: #ef4444;
    --kn-scada-text-muted: #9ca3af;
    --kn-scada-value: var(--kn-accent-light);
}

/* Koyu mod (ileride eklenirse) — mobilin koyu temasiyla tutarli: birincil amber olur */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --kn-bg: #15180f;
        --kn-surface: #1f2317;
        --kn-surface-alt: #262b1d;
        --kn-text: #eef1ec;
        --kn-text-muted: #a9b5a0;
        --kn-border: rgba(var(--kn-accent-rgb), 0.3);
        --kn-border-strong: var(--kn-accent);
    }
}
:root[data-theme="dark"] {
    --kn-bg: #15180f;
    --kn-surface: #1f2317;
    --kn-surface-alt: #262b1d;
    --kn-text: #eef1ec;
    --kn-text-muted: #a9b5a0;
    --kn-border: rgba(var(--kn-accent-rgb), 0.3);
    --kn-border-strong: var(--kn-accent);
}

/* ==========================================================================
   Temel yerlesim
   ========================================================================== */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--kn-bg);
    min-height: 100vh;
    color: var(--kn-text);
}

.header {
    background: var(--kn-surface);
    box-shadow: 0 1px 6px rgba(15, 23, 42, .08);
    padding: 20px 0;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--kn-primary);
}

.nav-container {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--kn-primary);
}

.main-container {
    display: flex;
    max-width: 100%;
    margin: 0 auto;
    min-height: calc(100vh - 100px);
}

.sidebar {
    position: relative;
    width: 250px;
    background: var(--kn-surface);
    box-shadow: 1px 0 6px rgba(15, 23, 42, .06);
    backdrop-filter: blur(10px);
    border-right: 2px solid var(--kn-border);
    padding: 20px 0;
    margin: 20px 0;
    border-radius: 15px;
}

.sidebar-menu { list-style: none; padding: 0; }
.menu-item { margin-bottom: 5px; }

.menu-button {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--kn-text-muted);
    padding: 15px 20px;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-button:hover {
    background: rgba(var(--kn-primary-rgb), 0.1);
    border-left: 4px solid var(--kn-primary);
    padding-left: 16px;
}

.menu-button.active {
    background: rgba(var(--kn-primary-rgb), 0.18);
    border-left: 4px solid var(--kn-primary);
    padding-left: 16px;
    color: var(--kn-primary);
}

.menu-icon { font-size: 1.1rem; width: 20px; }

.content-area { flex: 1; padding: 20px; width: 100%; overflow-x: auto; }

/* ==========================================================================
   Panel karti (genel icerik karti)
   ========================================================================== */

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.panel-card {
    background: var(--kn-surface);
    box-shadow: 0 2px 10px rgba(15, 23, 42, .07);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--kn-border);
    transition: all 0.3s;
}

.panel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(var(--kn-primary-rgb), 0.25);
    border-color: var(--kn-primary);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--kn-border);
}

.card-icon { font-size: 2rem; color: var(--kn-primary); }
.card-title { font-size: 1.3rem; font-weight: bold; }
.card-content { display: flex; flex-direction: column; gap: 12px; }

.info-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.info-value { font-weight: bold; color: var(--kn-primary); }

.status-online { color: var(--kn-status-online); }
.status-warning { color: var(--kn-status-warning); }
.status-critical { color: var(--kn-status-critical); }

/* ==========================================================================
   Butonlar
   ========================================================================== */

.action-btn {
    background: linear-gradient(45deg, var(--kn-primary), var(--kn-primary-light));
    border: none;
    border-radius: 10px;
    padding: 10px 15px;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
    margin-right: 10px;
}
.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--kn-primary-rgb), 0.4);
}

.btn-secondary { background: var(--kn-surface-alt); color: var(--kn-text); }

.btn-primary {
    background: linear-gradient(135deg, var(--kn-primary) 0%, var(--kn-primary-light) 100%);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--kn-primary-rgb), 0.4);
}

/* Isi/eylem vurgusu gereken aksiyonlar icin (ornek: Kanal Kontrol - cikis
   tetikleme butonlari) — kamp atesi amberiyle MN'nin tek-renk buton setine
   eklenen yeni bir secenek, mevcut .btn-primary'nin yerine gecmez. */
.btn-accent {
    background: linear-gradient(135deg, var(--kn-accent) 0%, var(--kn-accent-light) 100%);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--kn-accent-rgb), 0.45);
}

.btn-sm { padding: 6px 12px; font-size: 12px; margin: 2px; }
.btn-edit { background: #feca57; color: white; }
.btn-delete { background: #ff6b6b; color: white; }
.btn-assign { background: var(--kn-accent); color: white; }
.btn-view { background: #6c5ce7; color: white; }

/* ==========================================================================
   Kucuk istatistik yongalari (panel-card ici — generic .stats-grid/.stat-item)
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: rgba(var(--kn-primary-rgb), 0.08);
    border-radius: 10px;
    border: 1px solid var(--kn-border);
}
.stat-number { font-size: 1.5rem; font-weight: bold; color: var(--kn-primary); }
.stat-label { font-size: 0.9rem; color: var(--kn-text-muted); margin-top: 5px; }
.big-stat { font-size: 2.5rem; font-weight: bold; color: var(--kn-primary); text-align: center; }

.progress-bar { width: 100%; height: 8px; background: var(--kn-surface-alt); border-radius: 4px; overflow: hidden; margin-top: 10px; }
.progress-fill {
    height: 100%;
    background: linear-gradient(45deg, var(--kn-primary), var(--kn-primary-light));
    border-radius: 4px;
    transition: width 0.3s;
}

/* ==========================================================================
   Dashboard KPI kartlari (dashboard.html'de MN'de inline tanimliydi,
   burada merkezilestirildi — stats-grid ile cakismasin diye ortak bir
   minmax degeri kullanilir, ustteki generic .stats-grid'i de kapsar)
   ========================================================================== */

.stat-card {
    background: var(--kn-surface);
    box-shadow: 0 2px 10px rgba(15, 23, 42, .07);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-5px); }

.icon-bg {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}
.icon-bg.user   { background: var(--kn-stat-user-bg);   color: var(--kn-stat-user-color); }
.icon-bg.device { background: var(--kn-stat-device-bg); color: var(--kn-stat-device-color); }
.icon-bg.rental { background: var(--kn-stat-rental-bg); color: var(--kn-stat-rental-color); }
.icon-bg.dealer { background: var(--kn-stat-rental-bg); color: var(--kn-stat-rental-color); } /* geriye uyum: eski "dealer" sinifi */
.icon-bg.db     { background: var(--kn-stat-db-bg);     color: var(--kn-stat-db-color); }

.stat-info { display: flex; flex-direction: column; }
.stat-info .label { font-size: 0.9rem; color: var(--kn-text-muted); }
.stat-info .value { font-size: 1.5rem; font-weight: bold; color: var(--kn-text); }

/* ==========================================================================
   SCADA — Veri Akis Diyagrami (koyu kanvas, markadan bagimsiz ton + amber akis)
   ========================================================================== */

.scada-header-inner { display: flex; justify-content: space-between; margin-bottom: 15px; align-items: center; }

.scada-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    padding: 50px;
    background: var(--kn-scada-bg);
    border-radius: 15px;
    position: relative;
    min-height: 400px;
    overflow: hidden;
    align-items: center;
}

.scada-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.scada-column:nth-child(-n+2):not(:last-child)::after {
    content: '';
    position: absolute;
    right: -50%;
    top: 50%;
    width: 100%;
    height: 4px;
    background: var(--kn-scada-link);
    transform: translateY(-2px);
    z-index: 1;
}

.scada-column:nth-child(-n+2).flowing:not(:last-child)::after {
    background: var(--kn-scada-flow);
    box-shadow: 0 0 10px var(--kn-scada-flow);
}

.scada-node {
    background: var(--kn-scada-node-bg);
    border: 2px solid var(--kn-scada-node-border);
    border-radius: 10px;
    padding: 15px;
    width: 140px;
    text-align: center;
    color: white;
    position: relative;
    z-index: 10;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.scada-node.healthy { border-color: var(--kn-scada-healthy); box-shadow: 0 0 15px rgba(16, 185, 129, 0.3); }
.scada-node.error { border-color: var(--kn-scada-error); box-shadow: 0 0 20px rgba(239, 68, 68, 0.6); animation: kn-pulse-error 1s infinite; }

@keyframes kn-pulse-error { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }

.scada-node .icon { font-size: 2.5rem; margin-bottom: 10px; }
.scada-node .label { font-weight: bold; font-size: 0.9rem; }
.scada-node .sub-label { font-size: 0.7rem; color: var(--kn-scada-text-muted); margin-bottom: 5px; }
.scada-node .value { font-size: 0.8rem; color: var(--kn-scada-value); font-family: monospace; }
.scada-node .status-indicator { width: 10px; height: 10px; border-radius: 50%; background: var(--kn-scada-node-border); margin: 5px auto 0; }

.scada-link, .scada-link2 { height: 4px; background: var(--kn-scada-link); flex-grow: 1; position: relative; margin: 0; align-self: center; }

.flow-dots {
    position: absolute;
    top: -3px;
    left: 0;
    width: 100%;
    height: 10px;
    background-image: radial-gradient(circle, var(--kn-scada-flow) 3px, transparent 4px);
    background-size: 20px 10px;
    opacity: 0;
    transition: opacity 0.3s;
}
.flowing .flow-dots { opacity: 1; animation: kn-flow-anim 1s linear infinite; }
@keyframes kn-flow-anim { from { background-position: 0 0; } to { background-position: 20px 0; } }

.status-badge { padding: 5px 10px; border-radius: 5px; font-size: 0.8rem; background: var(--kn-scada-node-border); color: white; }

/* ==========================================================================
   Formlar, tablolar, rozetler, uyari kutulari — marka rengi disinda MN ile ayni
   ========================================================================== */

.management-container { background: rgba(255, 255, 255, 0.95); border-radius: 15px; padding: 25px; color: #333; margin-bottom: 20px; width: 100%; max-width: none; }
.management-header { text-align: center; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 2px solid var(--kn-primary); }
.management-header h1 { color: #333; margin-bottom: 10px; }
.management-header p { color: #666; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group label { color: #333; margin-bottom: 5px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { padding: 12px; border: 2px solid #e1e5e9; border-radius: 8px; font-size: 14px; transition: border-color 0.3s; }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--kn-primary); }

.data-table { width: 100%; border-collapse: collapse; margin-top: 20px; background: white; border-radius: 10px; overflow-x: auto; display: block; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); }
.data-table thead, .data-table tbody, .data-table tr { display: table; width: 100%; table-layout: fixed; }
.data-table th, .data-table td { padding: 8px 12px; text-align: left; border-bottom: 1px solid #e1e5e9; font-size: 14px; word-wrap: break-word; overflow: hidden; text-overflow: ellipsis; }
.data-table th { background: #f8f9fa; color: #333; font-weight: 600; user-select: none; }
.data-table th:hover { background: #e9ecef; }
.data-table tbody tr:nth-child(even) { background: #f8f9fa; }
.data-table tbody tr:nth-child(odd) { background: white; }
.data-table tr:hover { background: rgba(var(--kn-primary-rgb), 0.08) !important; }

.badge { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; text-transform: uppercase; }
.badge-admin { background: #ff6b6b; color: white; }
.badge-user { background: #4ecdc4; color: white; }
.badge-fleet_manager { background: #45b7d1; color: white; }
.badge-dealer { background: #96ceb4; color: white; }
.badge-rental { background: var(--kn-accent); color: white; }
.badge-available { background: #4ecdc4; color: white; }
.badge-assigned { background: #feca57; color: white; }
.badge-maintenance { background: var(--kn-status-warning); color: white; }
.badge-active { background: var(--kn-primary); color: white; }
.badge-inactive { background: #a0a0a0; color: white; }

.search-bar { margin-bottom: 20px; }
.search-bar input { width: 100%; max-width: 400px; padding: 12px; border: 2px solid #e1e5e9; border-radius: 8px; font-size: 14px; }

.alert { padding: 12px 20px; border-radius: 8px; margin-bottom: 20px; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.loading { text-align: center; padding: 20px; color: #666; }

@media (max-width: 768px) {
    .main-container { flex-direction: column; }
    .sidebar { position: relative; width: 100%; margin: 10px; }
    .sidebar-menu { display: flex; overflow-x: auto; gap: 10px; padding: 0 10px; }
    .menu-item { margin-bottom: 0; min-width: 150px; }
    .form-grid { grid-template-columns: 1fr; }
    .management-container { padding: 15px; overflow-x: hidden; }
    .data-table { font-size: 12px; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .data-table thead { display: none; }
    .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
    .data-table tr { margin-bottom: 15px; border: 1px solid #e1e5e9; border-radius: 8px; padding: 10px; background: white; }
    .data-table td { text-align: right; padding: 8px; border-bottom: 1px solid #f0f0f0; position: relative; padding-left: 50%; }
    .data-table td:before { content: attr(data-label); position: absolute; left: 10px; font-weight: bold; text-align: left; color: #333; }
    .data-table td:last-child { border-bottom: none; }
    .content-area { padding: 10px; }
    .nav-container { flex-direction: column; gap: 10px; }
    .logo { font-size: 1.3rem; }
}