html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #eef3f8;
    color: #1f2937;
    overflow: hidden;
}

body.modal-open {
    overflow: hidden;
}

.page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 8px;
    box-sizing: border-box;
    overflow: hidden;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #d7e0ea;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
    flex-shrink: 0;
    min-width: 0;
}

.topbar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.topbar-brand__logo {
    width: auto;
    height: 32px;
    display: block;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

.toolbar-item,
.settings-field {
    display: flex;
    min-width: 0;
}

.toolbar-item {
    flex: 1 1 0;
}

.btn-style {
    height: 32px;
    padding: 0 10px;
    border: 1px solid #d2dbe7;
    border-radius: 10px;
    background: #ffffff;
    color: #1f2937;
    cursor: pointer;
    font-size: 12px;
}

.btn-style:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.16);
}

.toolbar-select {
    min-width: 0;
    width: 100%;
    max-width: 100%;
}

.toolbar-search {
    width: 100%;
    min-width: 0;
}

.toolbar-item--search {
    position: relative;
}

.symbol-search-list {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    width: 100%;
    max-height: 280px;
    overflow-y: auto;
    background: #ffffff;
    border: 1px solid #d2dbe7;
    border-radius: 12px;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
    padding: 4px;
    box-sizing: border-box;
    display: none;
    z-index: 20;
}

.symbol-search-list--visible {
    display: block;
}

.symbol-search-option {
    width: 100%;
    border: 0;
    border-radius: 8px;
    background: transparent;
    text-align: left;
    font-size: 12px;
    color: #1f2937;
    padding: 7px 8px;
    cursor: pointer;
}

.symbol-search-option:hover {
    background: #eef4ff;
}

.symbol-search-option--active {
    background: #eef4ff;
}

.toolbar-action {
    min-width: 64px;
    border: none;
    background: #2563eb;
    color: #ffffff;
    font-weight: 600;
}

.topbar__settings {
    height: 32px;
    padding: 0 10px;
    border: 1px solid #d2dbe7;
    border-radius: 10px;
    background: #ffffff;
    color: #334155;
    cursor: pointer;
    font-size: 12px;
    flex-shrink: 0;
}

.chart-stage {
    height: 100%;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid #dbe5f0;
    padding: 6px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

.chart-panel {
    flex: 1;
    min-height: 0;
    padding-top: 8px;
    overflow: hidden;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.settings-card {
    border-radius: 16px;
    padding: 16px;
    background: #f8fbff;
    border: 1px solid #dbe6f3;
}

.settings-card__header {
    margin-bottom: 10px;
}

.settings-card__title {
    margin: 0;
    font-size: 15px;
    color: #0f172a;
}

.settings-select {
    min-width: 100%;
}

.settings-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.45);
    box-sizing: border-box;
    z-index: 10;
}

.settings-modal[hidden] {
    display: none;
}

.settings-dialog {
    width: min(760px, 100%);
    max-height: calc(100vh - 40px);
    overflow: auto;
    border-radius: 20px;
    background: #ffffff;
    border: 1px solid #d8e1ec;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.2);
    padding: 18px;
}

.settings-dialog__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.settings-dialog__title {
    margin: 0;
    font-size: 18px;
    color: #0f172a;
}

.settings-dialog__close {
    height: 32px;
    padding: 0 10px;
    border: 1px solid #d2dbe7;
    border-radius: 10px;
    background: #ffffff;
    color: #334155;
    cursor: pointer;
    font-size: 12px;
}

#kline {
    width: 100%;
    height: 100%;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .page {
        padding: 6px;
    }

    .topbar {
        box-sizing: border-box;
        padding: 8px;
        border-radius: 12px;
    }

    .btn-style,
    .topbar__settings {
        height: 36px;
        font-size: 13px;
    }

    .toolbar-action {
        min-width: 64px;
    }

    .topbar {
        flex-wrap: wrap;
    }

    .topbar-brand {
        display: none;
    }

    .toolbar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: stretch;
        width: 100%;
        gap: 6px;
        box-sizing: border-box;
    }

    .toolbar-item {
        width: 100%;
        box-sizing: border-box;
    }

    .toolbar-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        grid-column: 1 / -1;
        margin-left: 0;
        gap: 6px;
        box-sizing: border-box;
    }

    .toolbar-select {
        width: 100%;
    }

    .toolbar-search {
        width: 100%;
    }

    .symbol-search-list {
        width: 100%;
    }

    .topbar__settings,
    .toolbar-action {
        width: 100%;
        min-width: 0;
    }

    .chart-panel {
        padding-top: 6px;
    }

    .chart-stage {
        padding: 4px;
    }
}

@media (max-width: 560px) {

    .btn-style,
    .topbar__settings {
        height: 34px;
        font-size: 12px;
    }
}

@media (max-width: 420px) {
    .page {
        padding: 4px;
    }

    .topbar {
        padding: 6px;
        gap: 6px;
    }
}