@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* DARK MODE (Ultra Premium Glass) */
    --bg-color: #000000;
    --text-main: #ffffff;
    --text-muted: #98989d;

    /* Ultra Premium Cam Efekti (Performans Optimize Edilmiş) */
    --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(12px);
    /* Performans için saturate kaldırıldı, blur 12px yapıldı */

    --accent: #0a84ff;
    --success: #32d74b;
    --danger: #ff453a;
    --warning: #ffd60a;
    --info: #64d2ff;

    --blob-1: #5e5ce6;
    --blob-2: #bf5af2;
}

body.light-theme {
    /* LIGHT MODE (True Liquid Glass) */
    --bg-color: #f5f5f7;
    /* Apple stili temiz gri */
    --text-main: #1d1d1f;
    --text-muted: #86868b;

    /* Beyaz kutu yerine ortamı süzen şeffaf yapı */
    --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.3) 100%);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-highlight: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --glass-blur: blur(12px);

    --accent: #007aff;
    --blob-1: #ff2d55;
    --blob-2: #5ac8fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    transition: background-color 0.4s ease;
    overscroll-behavior-y: contain;
    /* Tarayıcının varsayılan çek-yenile özelliğini kapatır */
}

html {
    overscroll-behavior-y: contain;
}

/* --- AMBIENT LIQUID BACKGROUND (CSS Blur Yerine GPU Dostu Gradient) --- */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background-color: var(--bg-color);
}

.ambient-blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    /* Performans için mix-blend-mode ve animation tamamen kaldırıldı. 
       Statik gradyanlar kullanıldığında CPU/GPU 0 yorulur. */
}

body.light-theme .ambient-blob {
    opacity: 0.4;
}

.blob-1 {
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    /* Render Cost Sıfır: Radial Gradient ile hazır blur hissi */
    background: radial-gradient(circle, rgba(94, 92, 230, 0.45) 0%, rgba(94, 92, 230, 0) 65%);
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 70vw;
    height: 70vw;
    background: radial-gradient(circle, rgba(191, 90, 242, 0.45) 0%, rgba(191, 90, 242, 0) 65%);
    animation-delay: -10s;
}

/* Açık tema renk sabitlemeleri */
body.light-theme .blob-1 {
    background: radial-gradient(circle, rgba(255, 45, 85, 0.5) 0%, rgba(255, 45, 85, 0) 65%);
}

body.light-theme .blob-2 {
    background: radial-gradient(circle, rgba(90, 200, 250, 0.5) 0%, rgba(90, 200, 250, 0) 65%);
}

/* Animasyon performansı öldürdüğü için iptal edildi */
/* @keyframes floatBlob { ... } */

/* --- LAYOUT SKELETON --- */
.app-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* --- SIDEBAR --- */
.sidebar {
    width: 280px;
    padding: calc(24px + env(safe-area-inset-top)) 24px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.2rem;
}

.brand i {
    font-size: 1.8rem;
    color: var(--accent);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    padding: 12px 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.nav-link i {
    font-size: 1.4rem;
}

.nav-link:hover {
    color: var(--text-main);
    background: var(--glass-highlight);
}

.nav-link.active {
    background: var(--accent);
    color: #fff;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 4px 12px rgba(94, 106, 210, 0.4);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 99;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
}

/* --- MAIN CONTENT & TOPBAR --- */
.main-wrapper {
    flex-grow: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(24px + env(safe-area-inset-top)) 40px 24px 40px;
    position: sticky;
    top: 0;
    z-index: 50;
    background: linear-gradient(to bottom, var(--bg-color) 35%, transparent 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.action-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

.icon-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    flex-shrink: 0;
    /* Sıkışmayı ve uzamayı kesin olarak engeller */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    /* Performans için icon butonlardan blur kaldırıldı */
    box-shadow: inset 0 1px 1px var(--glass-highlight);
}

.icon-btn:hover {
    background: var(--glass-highlight);
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
}

.content-area {
    padding: 0 40px 40px 40px;
    flex-grow: 1;
}

/* --- BENTO GRID SYSTEM --- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(120px, auto);
    gap: 20px;
}

.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--glass-shadow), inset 0 1px 1px var(--glass-highlight);
    position: relative;
    overflow: hidden;
    /* Blur kalktığı için artık sıfır kasma ile taşmaları jilet gibi kesebiliriz! */
}

/* Bento Span Utilities */
.span-3 {
    grid-column: span 3;
}

.span-4 {
    grid-column: span 4;
}

.span-6 {
    grid-column: span 6;
}

.span-8 {
    grid-column: span 8;
}

.span-12 {
    grid-column: span 12;
}

/* KPI CARDS */
.kpi-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.kpi-icon {
    position: absolute;
    right: -15px;
    bottom: -15px;
    font-size: 6rem;
    opacity: 0.05;
    transform: rotate(-15deg);
    pointer-events: none;
}

/* Modern Lists / Tables (No Bootstrap) */
.glass-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.glass-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
    transition: all 0.2s;
}

body.light-theme .glass-list-item {
    background: rgba(0, 0, 0, 0.02);
}

.glass-list-item:hover {
    border-color: var(--glass-border);
    background: var(--glass-highlight);
}

/* Typography Colors */
.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-warning {
    color: var(--warning);
}

.text-info {
    color: var(--info);
}

.text-accent {
    color: var(--accent);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(139, 141, 147, 0.3);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 141, 147, 0.5);
}

/* --- RESPONSIVE --- */
@media (max-width: 1200px) {
    .span-3 {
        grid-column: span 6;
    }

    .span-4 {
        grid-column: span 6;
    }

    .span-8 {
        grid-column: span 12;
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-overlay.show {
        display: block;
        opacity: 1;
    }

    .main-wrapper {
        margin-left: 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .topbar {
        padding: calc(20px + env(safe-area-inset-top)) 20px 20px 20px;
    }

    .content-area {
        padding: 0 20px 20px 20px;
    }
}

@media (max-width: 768px) {

    .span-3,
    .span-4,
    .span-6 {
        grid-column: span 12;
    }
}

/* --- GLASS FORMS, TABLES & COMPONENTS --- */
.glass-input,
.glass-select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    font-family: inherit;
    outline: none;
    transition: all 0.3s;
}

body.light-theme .glass-input,
body.light-theme .glass-select {
    background: rgba(255, 255, 255, 0.4);
    color: var(--text-main);
}

.glass-input:focus,
.glass-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(94, 106, 210, 0.2);
}

.glass-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
}

.glass-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    justify-content: center;
}

.glass-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    color: #fff;
}

.glass-btn.secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.glass-btn.secondary:hover {
    background: var(--glass-highlight);
    color: var(--text-main);
}

.glass-table-wrapper {
    overflow-x: auto;
    width: 100%;
}

.glass-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    white-space: nowrap;
}

.glass-table th {
    padding: 16px;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
}

.glass-table td {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    color: var(--text-main);
    font-size: 0.9rem;
}

body.light-theme .glass-table td {
    border-bottom: 1px solid rgba(0, 0, 0, 0.02);
}

.glass-table tbody tr:hover {
    background: var(--glass-highlight);
}

@media (max-width: 768px) {

    .glass-table th,
    .glass-table td {
        padding: 12px 10px;
        font-size: 0.8rem;
    }

    .hide-mobile {
        display: none !important;
    }
}

/* Custom Toggle Switch */
.glass-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    margin: 0;
}

.glass-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-muted);
    transition: .4s;
    border-radius: 50%;
}

.glass-switch input:checked+.switch-slider {
    background-color: rgba(94, 106, 210, 0.3);
    border-color: var(--accent);
}

.glass-switch input:checked+.switch-slider:before {
    transform: translateX(20px);
    background-color: var(--accent);
}

/* HTML5 Dialog (Sıfır Bootstrap Modal) */
dialog.glass-dialog {
    background: var(--bg-color);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 24px;
    max-width: 600px;
    width: 90%;
    margin: auto;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

dialog.glass-dialog::backdrop {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* --- PULL TO REFRESH (NATIVE STYLE) --- */
.ptr-container {
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
    transform: translateY(-100px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
    opacity: 0;
    padding-top: env(safe-area-inset-top);
}

.ptr-container.ptr-active {
    opacity: 1;
}

.ptr-icon-wrap {
    width: 48px;
    height: 48px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--glass-shadow);
    color: var(--text-main);
    transition: transform 0.1s linear, color 0.3s, border-color 0.3s;
}

.ptr-icon-wrap i {
    font-size: 1.5rem;
}

.ptr-ready .ptr-icon-wrap {
    color: var(--accent);
    border-color: var(--accent);
}

.ptr-refreshing .ptr-icon-wrap i {
    animation: ptrRotate 0.8s linear infinite;
}

@keyframes ptrRotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@media (min-width: 993px) {
    .ptr-container {
        display: none !important;
    }
}

/* GLOBAL PRELOADER STYLES */
#global-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(8px);
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#global-preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.ph-spin {
    animation: ph-spin-anim 1s linear infinite;
    display: inline-block;
}

@keyframes ph-spin-anim {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}