:root {
    --bg-primary: #0b0e14;
    --bg-secondary: #12161f;
    --bg-tertiary: #181d29;
    --bg-elevated: #1e2433;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text-primary: #eef2f8;
    --text-secondary: #8b93a7;
    --text-muted: #636b7e;
    --accent: #5b8cff;
    --accent-hover: #4a7af0;
    --accent-soft: rgba(91, 140, 255, 0.14);
    --green: #22c997;
    --red: #ff6b7a;
    --yellow: #f5c542;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
}

.app {
    display: grid;
    grid-template-rows: auto 1fr;
    height: 100vh;
}

.main-layout {
    display: flex;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    --sidebar-width: 340px;
}

.chart-area {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background:
        radial-gradient(circle at top left, rgba(91, 140, 255, 0.08), transparent 30%),
        var(--bg-primary);
}

.panel-resizer {
    flex: 0 0 6px;
    cursor: col-resize;
    background: transparent;
    position: relative;
    z-index: 20;
    touch-action: none;
}

.panel-resizer::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    transform: translateX(-50%);
    background: var(--border);
    transition: background 0.15s, width 0.15s;
}

.panel-resizer:hover::before,
body.is-resizing .panel-resizer::before {
    width: 3px;
    background: rgba(91, 140, 255, 0.75);
}

body.is-resizing {
    cursor: col-resize;
    user-select: none;
}

body.is-resizing iframe {
    pointer-events: none;
}

.sidebar {
    width: var(--sidebar-width);
    flex: 0 0 var(--sidebar-width);
    background: linear-gradient(180deg, rgba(18, 22, 31, 0.98), rgba(15, 18, 26, 0.98));
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-height: 0;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.18);
}

.topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(18, 22, 31, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 180px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #7c5cff);
    display: grid;
    place-items: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 8px 24px rgba(91, 140, 255, 0.25);
}

.brand h1 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.tool-group {
    padding: 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.discord-group {
    padding: 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.input-modern,
.select-modern {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.input-modern:focus,
.select-modern:focus {
    outline: none;
    border-color: rgba(91, 140, 255, 0.55);
    box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.12);
}

.discord-group .input-modern {
    width: 170px;
    border: none;
    background: transparent;
}

.btn {
    border: none;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s, background 0.15s, box-shadow 0.15s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), #6d7dff);
    color: #fff;
    box-shadow: 0 8px 20px rgba(91, 140, 255, 0.25);
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-hover), #6170ef);
}

.btn-accent.active,
.tool-btn.active {
    background: linear-gradient(135deg, var(--yellow), #ffb347);
    color: #151515;
    box-shadow: 0 8px 20px rgba(245, 197, 66, 0.22);
}

.btn-danger {
    background: rgba(255, 107, 122, 0.12);
    color: var(--red);
    border: 1px solid rgba(255, 107, 122, 0.18);
    padding: 6px 10px;
    font-size: 0.75rem;
}

.btn-danger:hover {
    background: rgba(255, 107, 122, 0.18);
}

.spacer {
    flex: 1;
}

.chart-toolbar {
    position: absolute;
    top: 16px;
    left: 16px;
    right: 16px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
}

.pair-badge {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 14px;
    background: rgba(18, 22, 31, 0.82);
    border: 1px solid var(--border);
    border-radius: 14px;
    backdrop-filter: blur(10px);
}

.pair-badge-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 600;
}

.pair-badge-value {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

#chartContainer {
    width: 100%;
    height: 100%;
}

#overlayCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.chart-hint {
    position: absolute;
    top: 72px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(91, 140, 255, 0.92);
    color: #fff;
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    pointer-events: none;
    z-index: 10;
    display: none;
    box-shadow: var(--shadow);
}

.chart-hint.visible {
    display: block;
}

.crosshair-price {
    padding: 10px 14px;
    background: rgba(18, 22, 31, 0.82);
    border: 1px solid var(--border);
    border-radius: 14px;
    font-size: 0.9rem;
    font-family: "Courier New", monospace;
    backdrop-filter: blur(10px);
    display: none;
}

.crosshair-price.visible {
    display: block;
}

.sidebar-tabs {
    display: flex;
    gap: 8px;
    padding: 16px 16px 0;
}

.sidebar-tab {
    flex: 1;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.sidebar-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.sidebar-tab.active {
    color: var(--text-primary);
    background: var(--accent-soft);
    border-color: rgba(91, 140, 255, 0.22);
}

.tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 6px;
    margin-left: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.7rem;
}

.sidebar-panel {
    display: none;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    padding: 10px 8px 12px;
}

.sidebar-panel.active {
    display: flex;
    flex-direction: column;
}

.compact-search {
    margin-bottom: 8px;
    padding: 0 4px;
}

.compact-search .input-modern {
    padding: 8px 10px;
    font-size: 0.8rem;
}

.watchlist {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1;
}

.watchlist-header,
.watchlist-row {
    display: grid;
    grid-template-columns: 16px 18px minmax(0, 1.2fr) 0.85fr 0.75fr 0.65fr;
    align-items: center;
    gap: 4px;
}

.watchlist-hint {
    margin: 0 4px 8px;
    font-size: 0.68rem;
    color: var(--text-muted);
}

.watchlist-header {
    padding: 0 8px 8px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

.watchlist-body {
    overflow-y: auto;
    min-height: 0;
}

.watchlist-row {
    padding: 6px 6px;
    margin: 2px 0;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s;
    font-size: 0.78rem;
    font-variant-numeric: tabular-nums;
}

.watchlist-row.pinned {
    border-color: rgba(245, 197, 66, 0.18);
    background: rgba(245, 197, 66, 0.04);
}

.watchlist-row.dragging {
    opacity: 0.45;
}

.watchlist-row.drag-over {
    border-color: rgba(91, 140, 255, 0.45);
    background: rgba(91, 140, 255, 0.08);
}

.pair-drag,
.pair-star {
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 0.72rem;
    line-height: 1;
}

.pair-drag {
    cursor: grab;
    letter-spacing: -1px;
    opacity: 0.55;
}

.pair-drag.hidden {
    visibility: hidden;
}

.pair-star {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.22);
}

.pair-star:hover,
.pair-star.active {
    color: var(--yellow);
}

.pair-drag:active {
    cursor: grabbing;
}

.watchlist-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.watchlist-row.active {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.col-symbol {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.pair-icons {
    position: relative;
    width: 26px;
    height: 18px;
    flex-shrink: 0;
}

.pair-icons .flag,
.pair-icons .icon-gold {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(0, 0, 0, 0.35);
    background: var(--bg-elevated);
}

.pair-icons .flag-base,
.pair-icons .icon-gold {
    left: 0;
    top: 1px;
    z-index: 2;
}

.pair-icons .flag-quote {
    left: 10px;
    top: 1px;
    z-index: 1;
}

.icon-gold {
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #f5d76e, #d4af37);
    color: #5c4a05;
    font-size: 0.55rem;
    font-weight: 800;
}

.pair-name {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.col-last,
.col-chg,
.col-chgpct {
    text-align: right;
    white-space: nowrap;
}

.price-main {
    color: var(--text-primary);
}

.price-pip {
    font-size: 0.68em;
    opacity: 0.82;
    vertical-align: super;
}

.col-chg.up,
.col-chgpct.up {
    color: var(--green);
}

.col-chg.down,
.col-chgpct.down {
    color: var(--red);
}

.col-chg.flat,
.col-chgpct.flat,
.col-last.muted,
.col-chg.muted,
.col-chgpct.muted {
    color: var(--text-secondary);
}

.sidebar-search {
    margin-bottom: 12px;
}

.sidebar-search .input-modern {
    width: 100%;
}

.pairs-list,
.card-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pair-item {
    display: none;
}

.panel-subtitle {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding: 0 4px;
}

#alertsTab.active,
#zonesTab.active {
    overflow-y: auto;
    padding: 12px;
}

.card-list {
    gap: 6px;
}

.card-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-left: 3px solid var(--green);
    padding: 10px 12px;
    border-radius: 10px;
    transition: background 0.15s, transform 0.15s;
}

.card-item.cross_below {
    border-left-color: var(--red);
}

.card-item.zone {
    border-left-color: var(--yellow);
}

.card-item.rectangle {
    border-left-color: var(--accent);
}

.card-item.clickable {
    cursor: pointer;
}

.card-item.clickable:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-1px);
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 700;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.badge.above {
    background: rgba(34, 201, 151, 0.14);
    color: var(--green);
}

.badge.below {
    background: rgba(255, 107, 122, 0.14);
    color: var(--red);
}

.badge.neutral {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.card-actions {
    display: flex;
    justify-content: flex-end;
}

.empty-state {
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 24px 12px;
    text-align: center;
    border: 1px dashed var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 7, 12, 0.72);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-overlay.visible {
    display: flex;
}

.modal {
    width: 420px;
    max-width: 100%;
    background: linear-gradient(180deg, #171c27, #12161f);
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.modal-header h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.modal-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.price-display {
    font-size: 1.8rem;
    font-family: "Courier New", monospace;
    font-weight: 700;
    color: var(--yellow);
    margin-bottom: 18px;
}

.segmented {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: 14px;
    border: 1px solid var(--border);
}

.segmented-option {
    position: relative;
    cursor: pointer;
}

.segmented-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.segmented-option span {
    display: block;
    text-align: center;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
}

.segmented-option input:checked + span {
    background: var(--accent-soft);
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px rgba(91, 140, 255, 0.18);
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.modal-actions .btn {
    flex: 1;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.input-color {
    width: 100%;
    height: 42px;
    padding: 4px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-elevated);
    cursor: pointer;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.status-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 200;
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s;
    pointer-events: none;
    transform: translateY(8px);
    box-shadow: var(--shadow);
}

.status-toast.visible {
    opacity: 1;
    transform: translateY(0);
}

.status-toast.success {
    background: rgba(34, 201, 151, 0.95);
    color: #062117;
}

.status-toast.error {
    background: rgba(255, 107, 122, 0.95);
    color: #2b060b;
}

.login-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background:
        radial-gradient(circle at top, rgba(91, 140, 255, 0.12), transparent 40%),
        var(--bg-primary);
}

.login-card {
    width: min(420px, calc(100vw - 32px));
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border-strong);
    background: linear-gradient(180deg, #171c27, #12161f);
    box-shadow: var(--shadow);
}

.login-brand {
    margin-bottom: 24px;
}

.login-error {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 107, 122, 0.12);
    border: 1px solid rgba(255, 107, 122, 0.22);
    color: var(--red);
    font-size: 0.875rem;
}

.btn-discord {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    background: #5865f2;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(88, 101, 242, 0.28);
}

.btn-discord:hover {
    background: #4752c4;
    transform: translateY(-1px);
}

.login-note {
    margin-top: 16px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-size: 0.82rem;
    font-weight: 600;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    text-decoration: none;
    font-size: 0.82rem;
}

@media (max-width: 960px) {
    .main-layout {
        flex-direction: column;
    }

    .panel-resizer {
        display: none;
    }

    .sidebar {
        width: 100%;
        max-width: none;
        flex: 0 0 auto;
        min-width: 0;
    }

    .topbar {
        gap: 10px;
    }

    .brand {
        width: 100%;
    }

    .discord-group .input-modern {
        width: 120px;
    }
}