/* ========================================================================
   COP31 ANTALYA - Sürdürülebilir Etkinlik Yönetim Ekosistemi
   Premium Dark Theme Design System
   ======================================================================== */

:root {
    --c-bg: #0f1923;
    --c-bg-2: #162230;
    --c-bg-3: #1e2d3d;
    --c-dark: #1B2A3D;
    --c-surface: rgba(30, 45, 61, 0.7);
    --c-surface-2: rgba(40, 60, 80, 0.5);
    --c-green: #2E7D32;
    --c-green-light: #4CAF50;
    --c-green-bright: #66BB6A;
    --c-teal: #00897B;
    --c-teal-light: #26A69A;
    --c-blue: #1565C0;
    --c-blue-light: #42A5F5;
    --c-accent: #FF8F00;
    --c-accent-light: #FFB300;
    --c-red: #EF5350;
    --c-purple: #7C4DFF;
    --c-white: #ECEFF1;
    --c-gray: #90A4AE;
    --c-gray-dark: #546E7A;
    --c-border: rgba(255,255,255,0.08);
    --c-glow-green: rgba(46,125,50,0.3);
    --c-glow-blue: rgba(21,101,192,0.3);
    --sidebar-w: 260px;
    --topbar-h: 64px;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --glass-blur: blur(20px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 8px 32px rgba(0,0,0,0.3);
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.2);
}

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

html { font-size: 14px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--c-bg);
    color: var(--c-white);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-w);
    height: 100vh;
    position: fixed;
    left: 0; top: 0;
    background: var(--c-bg-2);
    border-right: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--c-border);
}

.logo-icon {
    font-size: 32px;
    filter: drop-shadow(0 0 8px var(--c-glow-green));
}

.logo-title {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--c-green-light), var(--c-teal-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--c-gray);
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--c-gray);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: 3px; height: 100%;
    background: linear-gradient(180deg, var(--c-green-light), var(--c-teal));
    opacity: 0;
    transition: var(--transition);
}

.nav-item:hover {
    background: var(--c-surface-2);
    color: var(--c-white);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(46,125,50,0.15), rgba(0,137,123,0.1));
    color: var(--c-green-light);
    font-weight: 600;
}

.nav-item.active::before { opacity: 1; }
.nav-icon { font-size: 1.2rem; width: 24px; text-align: center; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--c-border);
    text-align: center;
}

.org-badges { display: flex; justify-content: center; gap: 8px; margin-bottom: 8px; }
.org-badge {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.6rem; font-weight: 700; color: #fff;
}
.org-badge.sj { background: var(--c-teal); }
.org-badge.rg { background: var(--c-green); }
.org-badge.usb { background: var(--c-blue); }
.sidebar-version { font-size: 0.7rem; color: var(--c-gray-dark); }

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-h);
    background: rgba(15,25,35,0.8);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none; border: none;
    color: var(--c-white); font-size: 1.4rem;
    cursor: pointer;
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.page-title { font-size: 1.3rem; font-weight: 700; }
.page-badge {
    background: linear-gradient(135deg, var(--c-green), var(--c-teal));
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.topbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.live-indicator {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.78rem; color: var(--c-green-light); font-weight: 600;
}

.live-dot {
    width: 8px; height: 8px;
    background: var(--c-green-light);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(76,175,80,0.5); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(76,175,80,0); }
}

.topbar-date { font-size: 0.82rem; color: var(--c-gray); }
.topbar-user { display: flex; align-items: center; gap: 8px; }
.user-avatar { font-size: 1.3rem; }
.user-name { font-size: 0.85rem; font-weight: 600; }

/* ===== PAGE CONTAINER ===== */
.page-container {
    flex: 1;
    padding: 24px 28px;
    overflow-y: auto;
}

.page { display: none; animation: fadeIn 0.4s ease; }
.page.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== CARDS ===== */
.card {
    background: var(--c-surface);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 22px;
    transition: var(--transition);
}
.card:hover {
    border-color: rgba(255,255,255,0.12);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--c-gray);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.card-value {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
}

.card-change {
    font-size: 0.78rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.card-change.positive { color: var(--c-green-light); }
.card-change.negative { color: var(--c-red); }

/* ===== GRID LAYOUTS ===== */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-bottom: 24px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; margin-bottom: 24px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 18px; margin-bottom: 24px; }

/* ===== KPI CARDS ===== */
.kpi-card {
    position: relative;
    overflow: hidden;
}
.kpi-card::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 80px; height: 80px;
    border-radius: 0 0 0 80px;
    opacity: 0.1;
}
.kpi-card.green .card-value { color: var(--c-green-light); }
.kpi-card.green::after { background: var(--c-green-light); }
.kpi-card.teal .card-value { color: var(--c-teal-light); }
.kpi-card.teal::after { background: var(--c-teal-light); }
.kpi-card.blue .card-value { color: var(--c-blue-light); }
.kpi-card.blue::after { background: var(--c-blue-light); }
.kpi-card.accent .card-value { color: var(--c-accent-light); }
.kpi-card.accent::after { background: var(--c-accent-light); }
.kpi-card.purple .card-value { color: var(--c-purple); }
.kpi-card.purple::after { background: var(--c-purple); }

.kpi-icon { font-size: 2rem; margin-bottom: 12px; }

/* ===== CHARTS ===== */
.chart-area {
    width: 100%;
    position: relative;
    min-height: 220px;
}
.chart-area canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ===== PROGRESS BARS ===== */
.progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(255,255,255,0.08);
    border-radius: 5px;
    overflow: hidden;
    margin-top: 8px;
}
.progress-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(90deg, var(--c-green), var(--c-teal-light));
}

/* Circular progress */
.circular-progress {
    width: 120px; height: 120px;
    position: relative;
    margin: 0 auto;
}
.circular-progress svg { transform: rotate(-90deg); }
.circular-progress .progress-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: 800;
}

/* ===== SCOPE TABS ===== */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--c-surface-2);
    border-radius: var(--radius-sm);
    padding: 4px;
}
.tab {
    flex: 1;
    padding: 10px 16px;
    border-radius: var(--radius-xs);
    border: none;
    background: transparent;
    color: var(--c-gray);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.tab.active {
    background: linear-gradient(135deg, var(--c-green), var(--c-teal));
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.tab:hover:not(.active) { background: rgba(255,255,255,0.05); color: var(--c-white); }

/* ===== TABLES ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.data-table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--c-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.72rem;
    border-bottom: 1px solid var(--c-border);
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--c-border);
    color: var(--c-white);
}
.data-table tr:hover td {
    background: rgba(255,255,255,0.03);
}

/* ===== BADGES & TAGS ===== */
.badge {
    display: inline-flex;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
}
.badge.green { background: rgba(76,175,80,0.15); color: var(--c-green-light); }
.badge.red { background: rgba(239,83,80,0.15); color: var(--c-red); }
.badge.blue { background: rgba(66,165,245,0.15); color: var(--c-blue-light); }
.badge.accent { background: rgba(255,179,0,0.15); color: var(--c-accent-light); }
.badge.purple { background: rgba(124,77,255,0.15); color: var(--c-purple); }
.badge.teal { background: rgba(38,166,154,0.15); color: var(--c-teal-light); }

/* ===== STEPPER ===== */
.stepper {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 24px;
    position: relative;
}
.step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 8px;
}
.step-circle {
    width: 48px; height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    margin: 0 auto 12px;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}
.step-circle.active { box-shadow: 0 0 20px rgba(76,175,80,0.4); }
.step-line {
    position: absolute;
    top: 24px;
    left: calc(50% + 28px);
    right: calc(-50% + 28px);
    height: 3px;
    background: var(--c-border);
    z-index: 1;
}
.step-line.done { background: linear-gradient(90deg, var(--c-green), var(--c-teal)); }
.step-title { font-size: 0.82rem; font-weight: 600; margin-bottom: 4px; }
.step-desc { font-size: 0.72rem; color: var(--c-gray); line-height: 1.4; }

/* ===== PDCA CYCLE ===== */
.pdca-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.pdca-item {
    padding: 20px;
    border-radius: var(--radius);
    border: 2px solid;
    position: relative;
    overflow: hidden;
}
.pdca-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
}
.pdca-item .pdca-abbr {
    font-size: 1.8rem;
    font-weight: 800;
    opacity: 0.2;
    position: absolute;
    top: 10px; right: 16px;
}
.pdca-item .pdca-name { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.pdca-item .pdca-tasks { font-size: 0.82rem; color: var(--c-gray); line-height: 1.8; }

/* ===== FEED ===== */
.feed { display: flex; flex-direction: column; gap: 8px; }
.feed-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-xs);
    background: rgba(255,255,255,0.03);
    transition: var(--transition);
}
.feed-item:hover { background: rgba(255,255,255,0.06); }
.feed-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.feed-text { font-size: 0.82rem; flex: 1; }
.feed-time { font-size: 0.7rem; color: var(--c-gray-dark); white-space: nowrap; }

/* ===== PRINCIPLE CARDS ===== */
.principle-card {
    text-align: center;
    padding: 28px 18px;
}
.principle-card .p-icon { font-size: 2.5rem; margin-bottom: 14px; }
.principle-card .p-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.principle-card .p-desc { font-size: 0.78rem; color: var(--c-gray); line-height: 1.6; }

/* ===== SECTION HEADER ===== */
.section-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--c-border);
}
.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.section-sub { font-size: 0.8rem; color: var(--c-gray); }

/* ===== GAMIFICATION ===== */
.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: var(--radius-xs);
    margin-bottom: 6px;
    background: rgba(255,255,255,0.03);
    transition: var(--transition);
}
.leaderboard-item:hover { background: rgba(255,255,255,0.06); }
.lb-rank {
    width: 32px; height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
    background: var(--c-surface-2);
}
.lb-rank.gold { background: linear-gradient(135deg, #FFD700, #FFA000); color: #333; }
.lb-rank.silver { background: linear-gradient(135deg, #C0C0C0, #9E9E9E); color: #333; }
.lb-rank.bronze { background: linear-gradient(135deg, #CD7F32, #A0522D); color: #fff; }
.lb-name { flex: 1; font-weight: 600; font-size: 0.88rem; }
.lb-score { font-weight: 800; color: var(--c-green-light); font-size: 0.95rem; }

/* ===== METRIC ROWS ===== */
.metric-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--c-border);
}
.metric-row:last-child { border-bottom: none; }
.metric-label { font-size: 0.88rem; color: var(--c-gray); }
.metric-value { font-size: 1.3rem; font-weight: 800; }

/* ===== CHECKLIST ===== */
.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.check-icon { font-size: 1.1rem; margin-top: 2px; }
.check-text { font-size: 0.85rem; line-height: 1.5; }
.check-text.done { color: var(--c-gray-dark); text-decoration: line-through; }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 11px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--c-green), var(--c-teal), var(--c-blue), var(--c-accent));
}
.tl-item { position: relative; margin-bottom: 28px; }
.tl-dot {
    position: absolute;
    left: -28px; top: 4px;
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 3px solid;
    background: var(--c-bg);
}
.tl-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.tl-date { font-size: 0.72rem; color: var(--c-gray); margin-bottom: 8px; }
.tl-content { font-size: 0.82rem; color: var(--c-gray); line-height: 1.6; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .grid-4, .grid-3, .grid-2, .grid-2-1, .grid-1-2 {
        grid-template-columns: 1fr;
    }
    .stepper { flex-direction: column; }
    .step-line { display: none; }
    .pdca-grid { grid-template-columns: 1fr; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--c-gray-dark);
    border-radius: 3px;
}

/* ===== ANIMATIONS ===== */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-in {
    animation: fadeIn 0.6s ease forwards;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

/* ===== GAUGE ===== */
.gauge-container { text-align: center; padding: 16px 0; }
.gauge-label { font-size: 0.8rem; color: var(--c-gray); margin-top: 8px; }

/* ===== DONUT LEGEND ===== */
.donut-legend { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.legend-label { color: var(--c-gray); flex: 1; }
.legend-value { font-weight: 700; }

/* ===== CERT CARD ===== */
.cert-card {
    background: linear-gradient(135deg, rgba(21,101,192,0.15), rgba(0,137,123,0.1));
    border: 2px solid var(--c-blue);
    text-align: center;
    padding: 30px;
}
.cert-card .cert-icon { font-size: 3rem; margin-bottom: 12px; }
.cert-card .cert-title { font-size: 1.2rem; font-weight: 800; color: var(--c-blue-light); margin-bottom: 6px; }
.cert-card .cert-org { font-size: 0.9rem; color: var(--c-gray); margin-bottom: 16px; }
.cert-card .cert-detail { font-size: 0.82rem; color: var(--c-gray); line-height: 1.6; }