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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    min-height: 100vh;
}

/* --- Login --- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 40px;
    width: 360px;
    text-align: center;
}

.login-card h1 { font-size: 24px; color: #fff; margin-bottom: 4px; }
.subtitle { color: #666; font-size: 14px; margin-bottom: 24px; }

.error {
    background: #2d1515;
    border: 1px solid #5c2020;
    color: #f87171;
    padding: 10px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
}

.login-card form { display: flex; flex-direction: column; gap: 12px; }

.login-card input {
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 12px 14px;
    color: #e0e0e0;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}

.login-card input:focus { border-color: #4f8cff; }

.login-card button {
    background: #4f8cff;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.login-card button:hover { background: #3d7ae8; }

/* --- Nav --- */
nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: #111;
    border-bottom: 1px solid #222;
}

.nav-title { font-size: 18px; font-weight: 700; color: #fff; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-user { color: #888; font-size: 14px; }
.nav-link { color: #4f8cff; text-decoration: none; font-size: 14px; }
.nav-link:hover { text-decoration: underline; }

main { max-width: 720px; margin: 24px auto; padding: 0 24px; }

/* --- Page tabs --- */
.page-tabs {
    display: flex;
    gap: 0;
    background: #111;
    border-bottom: 1px solid #222;
    padding: 0 24px;
}

.page-tab {
    color: #666;
    font-size: 14px;
    font-weight: 600;
    padding: 12px 20px;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

.page-tab:hover { color: #aaa; }
.page-tab.active { color: #fff; border-bottom-color: #4f8cff; }

/* --- Board sub-tabs --- */
.board-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid #222;
    padding-bottom: 0;
}

.board-tab {
    background: none;
    border: none;
    color: #666;
    font-size: 15px;
    font-weight: 600;
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    margin-bottom: -1px;
    transition: color 0.2s, border-color 0.2s;
}

.board-tab:hover { color: #aaa; }
.board-tab.active { color: #fff; border-bottom-color: #4f8cff; }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* --- Section header --- */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.section-header h2 { font-size: 18px; color: #fff; margin: 0; }

.btn-add {
    background: #4f8cff;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.btn-add:hover { background: #3d7ae8; }

/* --- Filters --- */
.filter-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.filter {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    color: #888;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.filter:hover { color: #ccc; border-color: #444; }
.filter.active { background: #222; color: #fff; border-color: #444; }

/* --- Items --- */
.items-list { display: flex; flex-direction: column; gap: 6px; }

.item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #141414;
    border: 1px solid #222;
    border-radius: 10px;
    padding: 14px 16px;
    transition: border-color 0.15s;
}

.item:hover { border-color: #333; }

.item-done { opacity: 0.5; }

.item-check {
    padding-top: 2px;
    flex-shrink: 0;
}

.item-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #4f8cff;
    cursor: pointer;
}

.item-body {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 2px;
}

.item-title {
    font-size: 14px;
    font-weight: 600;
    color: #e0e0e0;
}

.item-done .item-title { text-decoration: line-through; color: #666; }

.item-desc {
    font-size: 13px;
    color: #888;
    margin-top: 4px;
    line-height: 1.4;
    white-space: pre-wrap;
}

.item-meta {
    font-size: 12px;
    color: #555;
    margin-top: 6px;
}

.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.imp-low { background: #1a2a1a; color: #6ee7a0; }
.imp-medium { background: #2a2a1a; color: #fbbf24; }
.imp-high { background: #2d1f15; color: #fb923c; }
.imp-critical { background: #2d1515; color: #f87171; }

.item-delete {
    background: none;
    border: none;
    color: #444;
    font-size: 20px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    flex-shrink: 0;
    border-radius: 4px;
}

.item-delete:hover { color: #f87171; background: #2d1515; }

.empty {
    text-align: center;
    color: #555;
    padding: 40px 0;
    font-size: 14px;
}

/* --- Modal --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 12px;
    padding: 28px;
    width: 440px;
    max-width: 90vw;
}

.modal h3 { font-size: 17px; color: #fff; margin-bottom: 20px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: #888; margin-bottom: 6px; }

.form-group input,
.form-group textarea {
    width: 100%;
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 10px 12px;
    color: #e0e0e0;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus { border-color: #4f8cff; }

.importance-picks, .assignee-picks { display: flex; gap: 6px; }

.imp-btn {
    flex: 1;
    background: #0a0a0a;
    border: 1px solid #333;
    color: #888;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.imp-btn:hover, .asgn-btn:hover { border-color: #555; color: #ccc; }
.imp-btn.selected, .asgn-btn.selected { background: #222; color: #fff; border-color: #4f8cff; }

.asgn-btn {
    flex: 1;
    background: #0a0a0a;
    border: 1px solid #333;
    color: #888;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.assignee-tag {
    color: #4f8cff;
    font-weight: 600;
}

.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

.btn-cancel {
    background: #222;
    color: #aaa;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
}

.btn-cancel:hover { background: #2a2a2a; color: #fff; }

.btn-save {
    background: #4f8cff;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn-save:hover { background: #3d7ae8; }

/* --- Architecture page --- */
.arch-page { max-width: 800px; }
.arch-page main { max-width: 800px; }

.arch-section {
    margin-bottom: 36px;
}

.arch-section h2 {
    font-size: 16px;
    color: #fff;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid #1f1f1f;
}

.arch-diagram {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 8px;
}

.arch-flow {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.arch-flow.secondary { opacity: 0.85; }

.arch-box {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #e0e0e0;
    border: 1px solid #333;
    text-align: center;
    min-width: 100px;
}

.arch-box span {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: #888;
    margin-top: 2px;
}

.arch-box.app { background: #1a1a2e; border-color: #2a2a4e; }
.arch-box.infra { background: #1a2a1a; border-color: #2a4a2a; }
.arch-box.backend { background: #1f1a2e; border-color: #3a2a5e; }
.arch-box.data { background: #2a1a1a; border-color: #4a2a2a; }
.arch-box.npc { background: #2a2a1a; border-color: #4a4a2a; }
.arch-box.ext { background: #1a2a2a; border-color: #2a4a4a; }

.arch-arrow { color: #444; font-size: 18px; }
.arch-spacer { width: 100px; }

.arch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.arch-grid.models {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.arch-card {
    background: #141414;
    border: 1px solid #222;
    border-radius: 10px;
    padding: 16px;
}

.arch-card h4 { font-size: 14px; color: #fff; margin-bottom: 8px; }
.arch-card ul { list-style: none; }
.arch-card ul li {
    font-size: 13px;
    color: #888;
    padding: 2px 0;
}

.arch-card.mini { padding: 12px 14px; }
.arch-card.mini h4 { font-size: 13px; margin-bottom: 4px; }
.arch-card.mini p { font-size: 12px; color: #666; line-height: 1.4; }

.arch-tree {
    background: #111;
    border: 1px solid #222;
    border-radius: 10px;
    padding: 20px 24px;
    overflow-x: auto;
}

.arch-tree pre {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    color: #aaa;
    line-height: 1.6;
    margin: 0;
}

.tree-label { color: #555; font-style: italic; }

.arch-table-wrap { overflow-x: auto; }

.arch-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.arch-table thead th {
    text-align: left;
    color: #888;
    font-weight: 600;
    padding: 8px 12px;
    border-bottom: 1px solid #222;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.arch-table tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid #1a1a1a;
    color: #ccc;
}

.arch-table tbody tr:hover { background: #111; }
.arch-table code {
    background: #1a1a1a;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: #4f8cff;
}

/* --- NPC page --- */
.npc-page { max-width: 860px; }
.npc-page main { max-width: 860px; }

.section-desc { font-size: 13px; color: #666; margin-bottom: 16px; }

.npc-roster { display: flex; flex-direction: column; gap: 10px; }

.npc-card {
    background: #141414;
    border: 1px solid #222;
    border-radius: 10px;
    padding: 16px 20px;
}

.npc-header { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }

.npc-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    color: #fff;
    flex-shrink: 0;
}

.npc-card.casa .npc-avatar { background: #2a3a1a; }
.npc-card.luna .npc-avatar { background: #1a1a3a; }
.npc-card.rex .npc-avatar { background: #3a2a1a; }
.npc-card.jessica .npc-avatar { background: #2a1a2a; }

.npc-header h3 { font-size: 15px; color: #fff; margin-bottom: 2px; }
.npc-tagline { font-size: 13px; color: #888; }

.npc-meta { display: flex; flex-wrap: wrap; gap: 6px; }

.npc-chip {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 5px;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    color: #888;
}

.npc-chip.provider { color: #4f8cff; border-color: #1a2a4a; }
.npc-chip.model { color: #aaa; }
.npc-chip.voice-chip { color: #6ee7a0; border-color: #1a3a1a; }
.npc-chip.game-chip { color: #fbbf24; border-color: #3a2a1a; }

/* Capability matrix */
.capability-table td { text-align: center; white-space: nowrap; }
.capability-table td:first-child { text-align: left; white-space: normal; }
.capability-table td:last-child { text-align: left; white-space: normal; font-size: 12px; color: #888; }
.capability-table td.yes { color: #6ee7a0; font-weight: 600; }
.capability-table td.no { color: #f87171; font-weight: 600; }

/* Tool cards */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
}

.tool-card {
    background: #141414;
    border: 1px solid #222;
    border-radius: 10px;
    padding: 16px 18px;
}

.tool-card h4 { font-size: 14px; color: #fff; margin-bottom: 4px; }
.tool-card h4 code { background: none; padding: 0; color: #4f8cff; font-size: 14px; }
.tool-type { font-size: 11px; color: #666; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.tool-card > p { font-size: 13px; color: #aaa; line-height: 1.5; margin-bottom: 10px; }

.tool-details {
    font-size: 12px;
    color: #666;
    border-top: 1px solid #1f1f1f;
    padding-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tool-details strong { color: #888; }