/* Kanban Board Styles - Themeable */

* { box-sizing: border-box; }

/* ===== Theme Variables ===== */
:root {
    /* Dark theme (default) */
    --bg-body: #1a1a2e;
    --bg-header: #16213e;
    --bg-column: #1e2a45;
    --bg-column-hover: #253555;
    --bg-card: #233050;
    --bg-input: #233050;
    --bg-modal: #1e2a45;
    --border: #0f3460;
    --border-card: #2a3f65;
    --border-input: #3a4a6a;
    --text: #e0e0e0;
    --text-muted: #aaa;
    --text-dimmed: #888;
    --text-faint: #666;
    --accent: #e94560;
    --accent-hover: rgba(233, 69, 96, 0.15);
    --link: #5c9ce6;
    --assignee: #7eb8f7;
    --label-bg: #3a4a6a;
    --label-text: #ccc;
    --btn-hover: #2a3a5a;
    --btn-primary: #1565c0;
    --btn-primary-hover: #1976d2;
    --btn-danger: #c62828;
    --btn-danger-text: #ef5350;
    --count-bg: rgba(255,255,255,0.25);
    --modal-overlay: rgba(0,0,0,0.6);
    --column-header-color: #fff;
    --theme-icon: "dark_mode";
}

[data-theme="light"] {
    --bg-body: #f0f2f5;
    --bg-header: #ffffff;
    --bg-column: #e8ebef;
    --bg-column-hover: #dde1e7;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-modal: #ffffff;
    --border: #d0d5dd;
    --border-card: #d0d5dd;
    --border-input: #c0c5ce;
    --text: #1a1a2e;
    --text-muted: #555;
    --text-dimmed: #777;
    --text-faint: #999;
    --accent: #d6336c;
    --accent-hover: rgba(214, 51, 108, 0.1);
    --link: #1565c0;
    --assignee: #1565c0;
    --label-bg: #e0e4ea;
    --label-text: #444;
    --btn-hover: #e0e4ea;
    --btn-primary: #1565c0;
    --btn-primary-hover: #1976d2;
    --btn-danger: #c62828;
    --btn-danger-text: #c62828;
    --count-bg: rgba(0,0,0,0.15);
    --modal-overlay: rgba(0,0,0,0.3);
    --column-header-color: #fff;
    --theme-icon: "light_mode";
}

/* ===== Base ===== */

body {
    margin: 0;
    padding: 0;
    background: var(--bg-body);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    overflow-x: auto;
    transition: background 0.2s, color 0.2s;
}

/* Header */
.kanban-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header-right { display: flex; align-items: center; gap: 12px; }
.logo {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}
.user-name { color: var(--text-muted); font-size: 13px; }

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 16px;
    line-height: 1;
    transition: background 0.15s;
}
.theme-toggle:hover { background: var(--btn-hover); }

/* Sync Indicator */
.sync-indicator {
    font-size: 12px;
    color: var(--assignee);
    animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Toolbar */
.kanban-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
}

/* Board */
.kanban-board {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    min-height: calc(100vh - 110px);
    overflow-x: auto;
}

/* Columns */
.kanban-column {
    flex: 1 0 260px;
    max-width: 340px;
    min-width: 260px;
    display: flex;
    flex-direction: column;
}
.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-radius: 8px 8px 0 0;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.5px;
    color: var(--column-header-color);
}
.column-header-0 { background: #616161; }  /* 未着手 */
.column-header-1 { background: #1565c0; }  /* 対応中 */
.column-header-2 { background: #e65100; }  /* 応答待 */
.column-header-3 { background: #2e7d32; }  /* 完了 */
.column-header-4 { background: #c62828; }  /* 中止 */

.column-count {
    background: var(--count-bg);
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 12px;
}
.column-body {
    flex: 1;
    background: var(--bg-column);
    border-radius: 0 0 8px 8px;
    padding: 8px;
    min-height: 100px;
    transition: background 0.15s;
}
.column-body.drag-over {
    background: var(--bg-column-hover);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 6px;
    padding: 10px 12px;
    margin-bottom: 8px;
    cursor: grab;
    transition: transform 0.1s, box-shadow 0.1s, border-color 0.1s;
}
.card:hover {
    border-color: var(--accent);
    box-shadow: 0 2px 8px var(--accent-hover);
}
.card.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}
.card-repo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-dimmed);
    margin-bottom: 4px;
}
.card-close {
    background: none;
    border: none;
    color: var(--text-faint);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0 2px;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s;
}
.card:hover .card-close { opacity: 1; }
.card-close:hover { color: var(--btn-danger-text); }
.card-title {
    font-size: 13px;
    line-height: 1.4;
    margin-bottom: 6px;
}
.card-title a {
    color: var(--link);
    text-decoration: none;
    font-weight: 600;
    margin-right: 4px;
}
.card-title a:hover { text-decoration: underline; }
.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.assignee {
    font-size: 11px;
    color: var(--assignee);
}
.label {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 8px;
    background: var(--label-bg);
    color: var(--label-text);
}

/* Buttons */
.btn {
    padding: 6px 14px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    transition: background 0.15s;
}
.btn:hover { background: var(--btn-hover); }
.btn-primary { background: var(--btn-primary); border-color: var(--btn-primary); color: #fff; }
.btn-primary:hover { background: var(--btn-primary-hover); }
.btn-danger { border-color: var(--btn-danger); color: var(--btn-danger-text); }
.btn-danger:hover { background: var(--btn-danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Form Elements */
.select {
    padding: 6px 10px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 13px;
}
.toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
}
.toggle input { cursor: pointer; }

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 12px;
}

/* Repo Picker */
.repo-picker-header {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}
.repo-picker-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-card);
    border-radius: 4px;
    margin-bottom: 10px;
}
.repo-picker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border-card);
    transition: background 0.1s;
}
.repo-picker-item:last-child { border-bottom: none; }
.repo-picker-item:hover { background: var(--bg-column-hover); }
.repo-picker-item.disabled { opacity: 0.5; cursor: default; }
.repo-picker-item input { cursor: pointer; }
.repo-picker-item .label { margin-left: auto; }

/* Card Number */
.card-number {
    color: var(--link);
    font-weight: 600;
    margin-right: 4px;
}

/* Drag Handle (repo sort) */
.drag-handle {
    cursor: grab;
    color: var(--text-faint);
    font-size: 14px;
    user-select: none;
}
.repo-sortable { cursor: default; }
.repo-sortable:active .drag-handle { cursor: grabbing; }

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--modal-overlay);
    justify-content: center;
    align-items: flex-start;
    padding-top: 60px;
}
.modal.active { display: flex; }
.modal-content {
    background: var(--bg-modal);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    width: 560px;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-card);
}
.modal-header h2 { margin: 0; font-size: 18px; }
.btn-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}
.modal-body {
    padding: 16px 20px;
}
.modal-body h3 {
    font-size: 14px;
    color: var(--text-muted);
    margin: 20px 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.modal-body h3:first-child { margin-top: 0; }

/* Settings Items */
.setting-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-card);
}
.avatar { border-radius: 50%; }
.text-muted { color: var(--text-faint); font-size: 13px; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 4px; font-size: 13px; color: var(--text-muted); }
.form-group .select,
.form-group textarea { width: 100%; padding: 8px 10px; }
textarea.select {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    font-family: inherit;
    font-size: 13px;
}

.add-repo-form {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 10px 0;
}
.add-repo-form .select,
.add-repo-form input {
    flex: 1;
}

/* Loading */
.loading {
    color: var(--text-muted);
    padding: 40px;
    text-align: center;
    font-size: 14px;
}

/* Mobile visibility helpers */
.show-on-mobile { display: none !important; }
.hide-on-mobile { display: flex; }

/* ===== Responsive ===== */

@media (max-width: 768px) {
    .show-on-mobile { display: flex !important; }
    .hide-on-mobile { display: none !important; }

    body { font-size: 13px; }

    .kanban-header {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px 12px;
    }
    .header-left, .header-right {
        gap: 8px;
    }
    .logo { font-size: 16px; }
    .user-name { display: none; }

    .kanban-toolbar {
        flex-wrap: wrap;
        gap: 6px;
        padding: 8px 12px;
    }
    .kanban-toolbar .select {
        flex: 1 1 auto;
        min-width: 0;
        font-size: 12px;
    }

    .kanban-board {
        flex-direction: column;
        gap: 8px;
        padding: 8px;
    }
    .kanban-column {
        flex: none;
        max-width: none;
        min-width: 0;
    }
    .column-body {
        min-height: 40px;
    }

    .card {
        padding: 8px 10px;
    }
    .card-title { font-size: 12px; }
    .card-repo { font-size: 10px; }

    /* Modal full-screen on mobile */
    .modal-content {
        width: 100%;
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }
    .modal {
        padding-top: 0;
        align-items: stretch;
    }

    /* Settings form stacking */
    .add-repo-form {
        flex-wrap: wrap;
    }
    .repo-picker-header {
        flex-direction: column;
    }
}