/* ==========================================================================
   DESİ IT PORTALI - MODERN SAAS DESIGN SYSTEM (STYLE.CSS)
   Light / Dark Mode, Kurumsal Tipografi, Mikro Etkileşimler
   ========================================================================== */

:root {
    /* Renk Paleti - Light Theme (Varsayılan) */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    
    --bg-body: #f8fafc;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    --bg-active: #e2e8f0;
    
    --border-color: #e2e8f0;
    --border-focus: #3b82f6;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    
    /* Kurumsal Vurgu Renkleri */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    
    --success: #10b981;
    --success-light: #ecfdf5;
    --success-border: #a7f3d0;
    
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --warning-border: #fde68a;
    
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --danger-border: #fecaca;
    
    --sidebar-width: 260px;
    --header-height: 56px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

[data-theme="dark"] {
    --bg-body: #0b1120;
    --bg-sidebar: #0f172a;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --bg-active: #475569;
    
    --border-color: #334155;
    --border-focus: #60a5fa;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-light: rgba(59, 130, 246, 0.15);
    --primary-border: rgba(59, 130, 246, 0.3);
    
    --success-light: rgba(16, 185, 129, 0.15);
    --success-border: rgba(16, 185, 129, 0.3);
    
    --warning-light: rgba(245, 158, 11, 0.15);
    --warning-border: rgba(245, 158, 11, 0.3);
    
    --danger-light: rgba(239, 68, 68, 0.15);
    --danger-border: rgba(239, 68, 68, 0.3);
}

/* Temel Sıfırlama */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    font-size: 0.875rem;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   SIDEBAR & BRANDING
   ========================================================================== */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    transition: transform 0.25s ease;
}

.sidebar-brand {
    padding: 1.25rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.25);
}

.sidebar-brand-text h2 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

.sidebar-brand-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-section-title {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-subtle);
    padding: 0.85rem 0.6rem 0.35rem 0.6rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-main);
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.nav-item svg {
    width: 17px;
    height: 17px;
    stroke-width: 2;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 0.85rem 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-sidebar);
}

.user-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-main);
}

.theme-toggle-btn, .btn-logout-mini {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.55rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.75rem;
    transition: all 0.15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.theme-toggle-btn:hover, .btn-logout-mini:hover {
    background-color: var(--bg-hover);
    color: var(--text-main);
}

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 1.5rem 2rem;
    max-width: 1600px;
    width: calc(100% - var(--sidebar-width));
}

.breadcrumb-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-bar svg {
    width: 15px;
    height: 15px;
    color: var(--primary);
}

.section-header {
    margin-bottom: 1.5rem;
}

.section-header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* Sekme Panelleri */
.tab-panel {
    display: none;
    animation: fadeIn 0.15s ease-in-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   DASHBOARD STAT CARDS
   ========================================================================== */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dash-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.15rem 1.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s, box-shadow 0.15s;
}

.dash-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.dash-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.dash-card-header svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    color: var(--primary);
}

.dash-card-val {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0.4rem 0;
    letter-spacing: -0.03em;
}

.dash-card-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   ACTION BAR & ARAMA & FİLTRELER
   ========================================================================== */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 260px;
    max-width: 420px;
}

.search-box input {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.55rem 0.85rem 0.55rem 2.2rem;
    color: var(--text-main);
    font-size: 0.85rem;
    outline: none;
    transition: all 0.15s ease;
}

.search-box input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.search-box svg {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 15px;
    color: var(--text-muted);
    pointer-events: none;
}

.filter-bar {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.filter-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-main);
}

.filter-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    font-weight: 600;
}

.filter-btn .count-pill {
    background: rgba(0,0,0,0.06);
    padding: 1px 6px;
    border-radius: 10px;
    font-size: 0.72rem;
}

.filter-btn.active .count-pill {
    background: rgba(255,255,255,0.25);
    color: #ffffff;
}

/* ==========================================================================
   TABLES & SORTING & PAGINATION
   ========================================================================== */
.table-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.83rem;
}

thead {
    background-color: var(--bg-body);
    border-bottom: 1px solid var(--border-color);
}

th {
    padding: 0.75rem 1rem;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    user-select: none;
    white-space: nowrap;
}

th.sortable {
    cursor: pointer;
    transition: color 0.15s;
}

th.sortable:hover {
    color: var(--text-main);
}

th.sortable .sort-icon {
    display: inline-block;
    margin-left: 4px;
    opacity: 0.4;
    transition: opacity 0.15s;
}

th.sortable.asc .sort-icon,
th.sortable.desc .sort-icon {
    opacity: 1;
    color: var(--primary);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

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

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

/* IP ve Port Hücreleri */
.ip-cell {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 0.2rem 0.45rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid var(--primary-border);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ip-cell:hover {
    filter: brightness(0.95);
}

/* Rozetler (Badges) */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    white-space: nowrap;
}

.badge-blue { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.badge-green { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.badge-yellow { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.badge-red { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.badge-slate { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }
.badge-purple { background: #faf5ff; color: #6b21a8; border: 1px solid #e9d5ff; }

/* Butonlar */
.btn-launch {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: var(--primary);
    color: #ffffff;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-launch:hover {
    background-color: var(--primary-hover);
    color: #ffffff;
}

.btn-action-view {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-action-view:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-focus);
}

.btn-action-view.copied {
    background-color: var(--success-light) !important;
    border-color: var(--success-border) !important;
    color: #065f46 !important;
}

/* Sayfalama (Pagination) */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.pagination-pages {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.page-btn {
    min-width: 30px;
    height: 30px;
    padding: 0 0.4rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.page-btn:hover:not(:disabled) {
    background-color: var(--bg-hover);
}

.page-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    font-weight: 600;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ==========================================================================
   TOOL BOX, CARDS & DOCS
   ========================================================================== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.tool-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.tool-box h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-box p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.doc-code {
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.85rem;
    margin-top: 0.6rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.78rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.doc-code span {
    overflow-x: auto;
    white-space: nowrap;
    color: var(--text-main);
}

/* ==========================================================================
   MODAL & TOAST
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal-overlay.open .modal-card {
    transform: scale(1);
}

#toast {
    visibility: hidden;
    min-width: 180px;
    background-color: var(--text-main);
    color: var(--bg-card);
    text-align: center;
    border-radius: var(--radius-md);
    padding: 10px 18px;
    position: fixed;
    z-index: 20000;
    right: 25px;
    bottom: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: opacity 0.25s, bottom 0.25s;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-color);
}

#toast.show {
    visibility: visible;
    opacity: 1;
    bottom: 35px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBİL / TABLET)
   ========================================================================== */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-main);
    cursor: pointer;
}

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 1rem;
    }
    
    .mobile-nav-toggle {
        display: inline-flex;
    }
}


/* ==========================================================================
   FAQ & AKORDİYON STİLLERİ
   ========================================================================== */
.faq-card {
    transition: all 0.2s ease;
}

.faq-card .faq-body {
    display: none;
}

.faq-card.open .faq-body {
    display: block !important;
}

.faq-card.open .faq-icon {
    transform: rotate(180deg) !important;
}

.faq-header:hover {
    background-color: var(--bg-hover) !important;
}