:root {
    --bg-body: #020617;
    --bg-elevated: #020617;
    --accent: #3b82f6;
    --accent-soft: rgba(59,130,246,0.15);
    --accent-strong: #2563eb;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --border-subtle: #1f2937;
    --danger: #f97373;
    --success: #22c55e;
    --radius-lg: 16px;
    --radius-md: 10px;
    --shadow-soft: 0 18px 40px rgba(15,23,42,0.85);
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    background: radial-gradient(circle at top left, #1e293b 0, #020617 45%);
    color: var(--text-main);
}

/* APP LAYOUT (Dashboard / Ayarlar / Loglar / Manuel) */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 230px;
    background: #020617;
    border-right: 1px solid rgba(15,23,42,0.95);
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 26px;
}

.sidebar-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: radial-gradient(circle at 0 0, #38bdf8, #4f46e5);
}

.sidebar-logo span {
    font-weight: 700;
    letter-spacing: .08em;
    font-size: 13px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
}

.sidebar-nav a {
    display: block;
    padding: 8px 10px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
    margin-bottom: 4px;
}

.sidebar-nav a.active,
.sidebar-nav a:hover {
    background: rgba(37,99,235,0.16);
    color: #f9fafb;
}

.sidebar-footer {
    font-size: 11px;
    color: var(--text-muted);
    border-top: 1px solid rgba(31,41,55,0.9);
    padding-top: 10px;
}

/* MAIN AREA */

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 56px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(15,23,42,0.9);
    background: rgba(15,23,42,0.96);
    backdrop-filter: blur(16px);
}

.topbar-title {
    font-size: 15px;
    font-weight: 600;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chip {
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.4);
    background: rgba(15,23,42,0.9);
    color: var(--text-muted);
}

.btn-ghost {
    padding: 6px 11px;
    border-radius: 999px;
    border: 1px solid rgba(55,65,81,0.9);
    background: rgba(15,23,42,0.95);
    color: var(--text-main);
    font-size: 12px;
    cursor: pointer;
}

.btn-ghost:hover {
    border-color: var(--accent);
}

.page {
    padding: 18px 22px 24px;
}

/* DASHBOARD CARDS */

.cards-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.card {
    background: radial-gradient(circle at top left, #111827, #020617 55%);
    border-radius: var(--radius-lg);
    padding: 12px 14px;
    border: 1px solid rgba(31,41,55,0.95);
}

.card-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.card-value {
    font-size: 20px;
    font-weight: 600;
}

.card-sub {
    font-size: 11px;
    color: var(--text-muted);
}

/* Layout gridler */

.layout-main-grid {
    display: grid;
    grid-template-columns: 2.1fr 1.4fr;
    gap: 14px;
    align-items: flex-start;
}

.manual-grid {
    display: grid;
    grid-template-columns: 1.2fr 1.1fr;
    gap: 16px;
    margin-top: 16px;
    align-items: flex-start;
}

/* PANELS & TABLES */

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 6px;
}

.section-header h2 {
    font-size: 15px;
    margin: 0;
}

.section-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.panel {
    background: #020617;
    border-radius: var(--radius-lg);
    padding: 12px 12px 10px;
    border: 1px solid rgba(31,41,55,0.9);
    margin-bottom: 12px;
}

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

.table thead tr {
    background: #020617;
}

.table th,
.table td {
    padding: 7px 6px;
    border-bottom: 1px solid rgba(31,41,55,0.9);
}

.table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
}

.table tr:hover td {
    background: rgba(15,23,42,0.9);
}

.pnl-positive {
    color: var(--success);
    font-weight: 600;
}

.pnl-negative {
    color: var(--danger);
    font-weight: 600;
}

/* LOGS */

.logs-box {
    background: #020617;
    border-radius: var(--radius-md);
    border: 1px solid rgba(31,41,55,0.95);
    padding: 9px;
    font-size: 11px;
    max-height: 260px;
    overflow-y: auto;
    white-space: pre-wrap;
}

/* CHART */

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 10px;
}

.chart-card {
    background: #020617;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31,41,55,0.9);
    padding: 8px;
}

/* Tek coin grafiği container'ı */
.chart-single {
    width: 100%;
    height: 320px;
}

/* SETTINGS */

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 16px;
}

.settings-card {
    background: #020617;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31,41,55,0.9);
    padding: 14px 13px;
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 12px;
    margin-bottom: 4px;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 9px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: #020617;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent-soft);
}

textarea {
    resize: vertical;
    min-height: 60px;
}

.toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.toggle-row span {
    font-size: 13px;
}

/* SWITCH */

input[type="checkbox"].switch {
    appearance: none;
    width: 34px;
    height: 18px;
    border-radius: 999px;
    background: #111827;
    border: 1px solid #4b5563;
    position: relative;
    cursor: pointer;
    outline: none;
}

input[type="checkbox"].switch::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: #9ca3af;
    top: 1px;
    left: 1px;
    transition: transform .16s ease;
}

input[type="checkbox"].switch:checked {
    background: #22c55e;
    border-color: #16a34a;
}

input[type="checkbox"].switch:checked::after {
    transform: translateX(15px);
    background: #f9fafb;
}

/* PRIMARY BUTTON */

.btn-primary {
    padding: 9px 16px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg,var(--accent),var(--accent-strong));
    color: #f9fafb;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
}

.btn-primary:hover {
    filter: brightness(1.06);
}

/* AUTH LAYOUT (login/signup) – kısaca */

.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

.auth-hero {
    flex: 1.1;
    padding: 40px;
    background: radial-gradient(circle at top left,#1d4ed8 0,#020617 55%);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.auth-panel {
    flex: .9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 28px;
    background: rgba(15,23,42,0.97);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: #020617;
    border-radius: 22px;
    padding: 24px 22px;
    border: 1px solid rgba(148,163,184,0.25);
}

.auth-card h2 {
    margin: 0 0 4px;
    font-size: 22px;
}

.auth-card p.subtitle {
    margin: 0 0 18px;
    font-size: 13px;
    color: var(--text-muted);
}

.auth-footer {
    font-size: 12px;
    margin-top: 12px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--accent);
    text-decoration: none;
}

/* responsive */

@media (max-width: 960px) {
    .cards-row {
        grid-template-columns: repeat(2,minmax(0,1fr));
    }
    .settings-grid,
    .charts-grid {
        grid-template-columns: 1fr;
    }
    .layout-main-grid,
    .manual-grid {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none;
    }
}

@media (max-width: 640px) {
    .cards-row {
        grid-template-columns: 1fr;
    }

    .page {
        padding: 12px;
    }

    .panel {
        overflow-x: auto;
    }

    .table {
        min-width: 600px;
    }

    .chart-single {
        height: 260px;
    }
}

.bot-toggle-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-toggle {
    border-radius: 999px;
    padding: 8px 18px;
    font-size: 13px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    background: radial-gradient(circle at top left, #1f2937, #020617);
    color: #e5e7eb;
    cursor: pointer;
    transition: all 0.18s ease-out;
    min-width: 130px;
    text-align: center;
}

.btn-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.35), 0 10px 20px rgba(15, 23, 42, 0.8);
}

.btn-toggle-on {
    border-color: #22c55e;
    box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.4);
}

.btn-toggle-off {
    border-color: #f97373;
    box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.3);
}

.bot-status-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.metric-subtext {
    font-size: 11px;
    color: #9ca3af;
    margin-top: 4px;
}

.ai-reason {
    color: #e5e7eb;
}
.btn-xs {
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid rgba(55,65,81,0.9);
    background: rgba(15,23,42,0.95);
    color: var(--text-main);
    font-size: 11px;
    cursor: pointer;
}

.btn-xs:hover {
    border-color: var(--accent);
}
.btn-more {
    margin-top: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(55,65,81,0.9);
    background: rgba(15,23,42,0.95);
    color: var(--text-main);
    font-size: 12px;
    cursor: pointer;
    display: none; /* JS ile açacağız */
}

.btn-more:hover {
    border-color: var(--accent);
}
.btn-link {
    border: none;
    background: none;
    color: var(--accent);
    font-size: 11px;
    cursor: pointer;
    padding: 0 4px;
}

.btn-link:hover {
    text-decoration: underline;
}
/* Grafik sayfası için tam ekran panel */

/* =======================
   GRAFİK SAYFASI (chart.html)
   ======================= */

.page.chart-page {
    padding: 8px 8px 0;
}

.chart-page .panel.chart-panel {
    padding: 0;
    margin-bottom: 0;
    height: calc(100vh - 70px); /* topbar + ufak boşluk */
    border-radius: 0;           /* tam ekran hissi için */
}

.chart-container {
    width: 100%;
    height: 100%;
}

/* Mobilde daha da tam ekran olsun */
@media (max-width: 960px) {
    .page.chart-page {
        padding: 4px 4px 0;
    }

    .chart-page .panel.chart-panel {
        height: calc(100vh - 56px); /* neredeyse full ekran */
    }
}
/* GRAFİK SAYFASI (chart.html) */

.page.chart-page {
    padding: 4px 8px 0;
}

.chart-page .panel.chart-panel {
    padding: 0;
    margin-bottom: 0;
    height: calc(100vh - 60px); /* topbar + küçük boşluk */
    border-radius: 0;
}

.chart-container {
    width: 100%;
    height: 100%;
}

@media (max-width: 960px) {
    .page.chart-page {
        padding: 0;
    }

    .chart-page .panel.chart-panel {
        height: calc(100vh - 56px); /* neredeyse full ekran */
    }
}