/* ══════════════════════════════════════════════════════════════════════════════
   theme_panel.css — colour customisation panel
   ══════════════════════════════════════════════════════════════════════════════ */

/* ── Palette button in sub-bar ──────────────────────────────────────────────── */

.sub-bar-tab-theme {
    pointer-events: all;
    background: var(--field-bg-colour);
    border: 1px solid var(--label-colour);
    border-top: none;
    color: var(--label-colour);
    font-size: 0.78rem;
    padding: 0.2rem 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    margin-right: 0;
}

.sub-bar-tab-theme:hover {
    background: var(--field-bg-colour);
    color: var(--label-colour);
    border-color: var(--label-colour);
}

.sub-bar-tab-theme.active {
    background: var(--field-bg-colour);
    color: var(--secondary-color-dark);
    border-color: var(--secondary-color-dark);
}

/* ── Panel container — anchored below the sub-bar ────────────────────────── */

.theme-panel-container {
    position: fixed;
    top: calc(var(--navbar-height) + var(--character-bar-height) + var(--sub-bar-height));
    right: 0.5rem;
    z-index: 996;
    max-height: calc(100vh - var(--navbar-height) - var(--character-bar-height) - var(--sub-bar-height) - 1rem);
    overflow-y: auto;
}

/* ── Panel card ──────────────────────────────────────────────────────────── */

.theme-panel {
    background: var(--field-bg-colour);
    border: 1px solid var(--secondary-color-dark);
    padding: 0;
    min-width: min(26rem, calc(100vw - 1rem));
    width: min(26rem, calc(100vw - 1rem));
    max-width: calc(100vw - 1rem);
    box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.theme-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem 0.4rem;
    background: var(--field-bg-colour);
    border-bottom: 1px solid var(--secondary-color-dark);
    color: var(--text-colour-one);
    font-weight: bold;
    font-size: 0.85rem;
}

.theme-panel-header > span {
    color: var(--text-colour-one);
}

.theme-panel-close-btn {
    background: none;
    border: none;
    color: var(--button-icon-colour);
    font-size: 1.25rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 0.2rem;
    transition: color 0.15s;
    opacity: 0.7;
}

.theme-panel-close-btn:hover {
    opacity: 1;
    color: var(--button-icon-colour);
}

/* ── Panel body — two column layout ──────────────────────────────────────── */

.theme-panel-body {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    padding: 0.75rem 0.75rem 0.5rem;
    flex-wrap: wrap;
}

/* ── Colour control rows ─────────────────────────────────────────────────── */

.theme-panel-controls {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1 1 auto;
    min-width: 0;
}

.theme-panel-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
    min-width: 0;
}

.theme-panel-label {
    font-size: 0.65rem;
    color: var(--label-colour);
    width: clamp(5.75rem, 33%, 9rem);
    flex-shrink: 1;
    white-space: nowrap;
}

.theme-colour-picker {
    width: 2rem;
    height: 1.6rem;
    padding: 0.1rem 0.15rem;
    border: 1px solid var(--secondary-color-dark);
    background: var(--field-bg-colour);
    cursor: pointer;
    flex-shrink: 0;
    box-sizing: border-box;
    transition: border-color 0.15s;
}

.theme-colour-text {
    flex: 1 1 auto;
    width: 100%;
    font-size: 0.7rem;
    padding: 0.25rem 0.4rem;
    background: var(--field-bg-colour);
    color: var(--label-colour);
    border: 1px solid var(--secondary-color-dark);
    outline: none;
    min-inline-size: 0;
    min-width: 0;
    box-sizing: border-box;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.theme-colour-text:focus {
    border-color: var(--label-colour);
}

.theme-colour-text.is-invalid {
    border-color: rgba(255, 80, 80, 0.8);
}

/* ── Panel footer ────────────────────────────────────────────────────────── */

.theme-panel-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-top: 1px solid var(--secondary-color-dark);
}

.theme-save-feedback {
    margin-right: auto;
    font-size: 0.7rem;
    color: var(--label-colour);
    min-width: 3rem;
}

.theme-panel-cancel-btn,
.theme-panel-save-btn {
    font-size: 0.75rem;
    padding: 0.3rem 0.9rem;
    border: 1px solid var(--secondary-color-dark);
    background: var(--field-bg-colour);
    color: var(--label-colour);
    opacity: 0.7;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, opacity 0.15s;
}

.theme-panel-cancel-btn:hover,
.theme-panel-save-btn:hover {
    opacity: 1;
    border-color: var(--label-colour);
}

.theme-panel-save-btn {
    opacity: 1;
    border-color: var(--label-colour);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
    .theme-panel {
        min-width: 0;
        width: 100%;
        max-width: 100%;
    }

    .theme-panel-label {
        width: auto;
        white-space: normal;
        line-height: 1.15;
    }

    .theme-panel-body {
        flex-direction: column;
        padding: 0.65rem 0.6rem 0.5rem;
    }

    .theme-panel-container {
        right: 0;
        left: 0;
        padding: 0 0.5rem;
        box-sizing: border-box;
    }

    .theme-panel-row {
        display: grid;
        grid-template-columns: 1.7rem minmax(0, 1fr);
        grid-template-areas:
            "label label"
            "picker text";
        column-gap: 0.35rem;
        row-gap: 0.2rem;
        align-items: center;
    }

    .theme-panel-label {
        grid-area: label;
    }

    .theme-colour-picker {
        grid-area: picker;
        width: 1.7rem;
        height: 1.5rem;
        padding: 0.08rem;
    }

    .theme-colour-text {
        grid-area: text;
        font-size: 0.68rem;
        padding: 0.2rem 0.35rem;
    }

    .theme-panel-footer {
        padding: 0.45rem 0.6rem;
    }
}

@media (max-width: 380px) {
    .theme-panel-row {
        grid-template-columns: 1.55rem minmax(0, 1fr);
    }

    .theme-colour-picker {
        width: 1.55rem;
        height: 1.42rem;
    }

    .theme-colour-text {
        font-size: 0.64rem;
    }

    .theme-panel-cancel-btn,
    .theme-panel-save-btn {
        font-size: 0.7rem;
        padding: 0.25rem 0.7rem;
    }
}