/* ─────────────────────────────────────────────────────────────
   Gear Builder - Alliance Tools style
   ───────────────────────────────────────────────────────────── */

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

:root {
    --bg:           #0a0f1e;
    --bg2:          #0f1829;
    --bg3:          #141f35;
    --panel:        #0b1220;
    --panel-border: #1e2d3d;
    --card:         #1a2a4a;
    --card2:        #0e1a2e;
    --card-hover:   #1f3360;
    --border:       #2a4a7a;
    --accent:       #4a9eff;
    --accent2:      #ffd700;
    --forge-color:  #ff9800;
    --civ-color:    #4fc3f7;
    --danger:       #e53935;
    --success:      #43a047;
    --text:         #e0e8f8;
    --text-muted:   #7a9cc8;
    --radius:       8px;
    --tr:           0.18s ease;
    --header-h:     48px;
}

html, body {
    height: 100%;
    overflow: hidden; /* prevent outer scroll */
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ── Page wrapper ─────────────────────────────────────────── */
.page-wrapper {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ── Header ───────────────────────────────────────────────── */
header {
    height: var(--header-h);
    min-height: var(--header-h);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg2);
    padding: 0 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    z-index: 100;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    white-space: nowrap;
}
.logo-icon { font-size: 18px; }

.header-sep {
    color: var(--border);
    font-size: 18px;
}

.header-title {
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    opacity: 0.85;
}

.header-right { display: flex; gap: 4px; }

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 13px;
    transition: background var(--tr), color var(--tr);
}
.nav-link:hover { color: var(--text); background: var(--bg3); }
.nav-link.active { color: var(--accent2); background: rgba(255,215,0,0.08); }

/* ── App body: 3-column layout ────────────────────────────── */
.app-body {
    flex: 1;
    display: flex;
    min-height: 0;        /* critical for flex children to scroll */
    overflow: hidden;
}

/* ── Panels (left + right) ────────────────────────────────── */
.panel {
    width: 280px;
    min-width: 240px;
    max-width: 280px;
    background: var(--panel);
    border-color: var(--panel-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}

.panel-left  { border-right: 1px solid var(--panel-border); }
.panel-right { border-left:  1px solid var(--panel-border); }

.panel-inner {
    flex: 1;
    overflow-y: auto;
    padding: 14px 14px 20px;
}

.panel-title {
    color: #90caf9;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 14px;
    padding-bottom: 6px;
    border-bottom: 2px solid #1e3a5f;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ── Center area ──────────────────────────────────────────── */
.center-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #0d1520 0%, #050910 100%);
    gap: 0;
}

/* ── Slots section (fixed height, no scroll) ──────────────── */
.slots-section {
    flex-shrink: 0;
    padding: 14px 16px 12px;
    border-bottom: 1px solid var(--panel-border);
    background: rgba(0,0,0,0.2);
}

.section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    margin-bottom: 10px;
}

.item-count {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.slot-card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 10px 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 72px;
    transition: background var(--tr), border-color var(--tr),
                box-shadow var(--tr), transform var(--tr);
    position: relative;
}
.slot-card:hover {
    background: var(--card-hover);
    border-color: var(--accent);
    box-shadow: 0 4px 14px rgba(0,0,0,0.5);
    transform: translateY(-1px);
}
.slot-card.has-item { border-color: #3a6a9a; }

.slot-name {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 600;
}
.slot-gear-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}
.slot-empty {
    font-size: 11px;
    color: #455a64;
    font-style: italic;
}
.slot-stats {
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 2px;
}
.slot-category {
    font-size: 9px;
    padding: 1px 5px;
    border-radius: 999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.slot-category.forge        { background: rgba(255,152,0,0.15); color: var(--forge-color); border: 1px solid rgba(255,152,0,0.3); }
.slot-category.civilization { background: rgba(79,195,247,0.12); color: var(--civ-color);   border: 1px solid rgba(79,195,247,0.25); }

/* ── Library section (scrollable) ────────────────────────── */
.library-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 12px 16px 14px;
    overflow: hidden;
}

.items-list {
    flex: 1;
    overflow-y: auto;
    border-radius: var(--radius);
    background: var(--card2);
    border: 1px solid #1a2838;
    min-height: 0;
}

/* ── Item cards ───────────────────────────────────────────── */
.item-card {
    padding: 9px 12px;
    border-bottom: 1px solid #1a2838;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 3px;
    transition: background var(--tr);
}
.item-card:last-child { border-bottom: none; }
.item-card:hover { background: rgba(74,158,255,0.1); }

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
}
.item-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}
.item-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 1px;
}
.item-star {
    font-size: 12px;
    white-space: nowrap;
    padding: 2px 7px;
    border-radius: 999px;
    font-weight: 600;
    flex-shrink: 0;
}
.item-star.forge { color: var(--forge-color); border: 1px solid rgba(255,152,0,0.4); background: rgba(255,152,0,0.08); }
.item-star.civ   { color: var(--civ-color);   border: 1px solid rgba(79,195,247,0.35); background: rgba(79,195,247,0.07); }

.item-buffs {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ── Controls (left panel) ────────────────────────────────── */
.control-group { margin-bottom: 14px; }

.control-label {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.1px;
    color: #78909c;
    margin-bottom: 5px;
    font-weight: 600;
}

.text-input, .select-input {
    width: 100%;
    padding: 7px 9px;
    border-radius: 6px;
    border: 1px solid #2e3d4d;
    background: #060e1c;
    color: var(--text);
    font-size: 13px;
    transition: border-color var(--tr), box-shadow var(--tr);
}
.text-input:focus, .select-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(74,158,255,0.25);
}

.primary-btn, .secondary-btn {
    width: 100%;
    padding: 8px 10px;
    border-radius: 6px;
    border: none;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 5px;
    transition: background var(--tr), transform var(--tr), box-shadow var(--tr);
}
.primary-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
}
.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.secondary-btn {
    background: #1a2535;
    color: #cfd8dc;
    border: 1px solid #2e3d4d;
}
.secondary-btn:hover { background: #243040; }
.danger-btn {
    background: #1a1010;
    color: #ef9a9a;
    border: 1px solid #4e1c1c;
    width: 100%;
    padding: 7px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.danger-btn:hover { background: #2d1010; border-color: #c62828; color: #ef5350; }

/* ── Right panel: Summary ─────────────────────────────────── */
#summaryPanel {
    font-size: 12px;
    color: var(--text-muted);
}

.summary-equipped-list {
    list-style: none;
    margin-bottom: 12px;
}
.summary-equipped-list li {
    padding: 5px 0;
    border-bottom: 1px solid #1a2535;
    font-size: 12px;
    line-height: 1.4;
}
.summary-equipped-list li:last-child { border-bottom: none; }

.summary-slot-name {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #546e7a;
    display: block;
}
.summary-item-name {
    color: var(--text);
    font-weight: 600;
    font-size: 12px;
}
.summary-item-buffs {
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 2px;
    line-height: 1.5;
}

/* Set bonus section */
.set-bonus-section {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid #1e2d3d;
}
.set-bonus-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #546e7a;
    margin-bottom: 8px;
    font-weight: 700;
}
.set-bonus-group {
    margin-bottom: 10px;
}
.set-bonus-set-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.set-bonus-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 0;
    font-size: 11px;
}
.set-bonus-row.active  { color: #a5d6a7; }
.set-bonus-row.inactive{ color: #455a64; }
.set-bonus-badge {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 999px;
    font-weight: 700;
}
.set-bonus-badge.active   { background: rgba(67,160,71,0.2);  color: #a5d6a7; border: 1px solid rgba(67,160,71,0.4); }
.set-bonus-badge.inactive { background: rgba(69,90,100,0.2);  color: #546e7a; border: 1px solid rgba(69,90,100,0.3); }

/* Set bonus buff lines */
.set-bonus-buffs {
    margin: 2px 0 6px 24px;
    border-left: 2px solid rgba(255,255,255,0.06);
    padding-left: 8px;
}
.set-bonus-buffs.active-buffs   { border-left-color: rgba(67,160,71,0.3); }
.set-bonus-buffs.inactive-buffs { border-left-color: rgba(69,90,100,0.3); opacity: 0.75; }
.set-bonus-buffs.collapsed      { display: none; }

/* Clickable set bonus rows */
.sb-toggle-row { user-select: none; border-radius: 4px; padding: 3px 4px; margin: 0 -4px; }
.sb-toggle-row:hover { background: rgba(255,255,255,0.04); }
.set-bonus-row.active.sb-toggle-row:hover  { background: rgba(67,160,71,0.08); }
.set-bonus-row.inactive.sb-toggle-row:hover{ background: rgba(69,90,100,0.12); }
.sb-chevron { font-size: 9px; flex-shrink: 0; }

/* Star rating edit button on slot cards */
.star-edit-btn {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 11px;
    color: var(--accent2);
    cursor: pointer;
    padding: 1px 5px;
    border-radius: 4px;
    border: 1px solid rgba(255,193,7,0.25);
    background: rgba(255,193,7,0.07);
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
    user-select: none;
}
.star-edit-btn:hover { background: rgba(255,193,7,0.18); border-color: rgba(255,193,7,0.5); }

/* Star picker popover */
.star-picker {
    display: none;
    position: absolute;
    z-index: 200;
    background: #0d1b2a;
    border: 1px solid #1e3a5f;
    border-radius: 6px;
    padding: 6px;
    gap: 4px;
    flex-wrap: wrap;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    margin-top: 4px;
}
.star-picker.visible { display: flex; }
.star-option {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    cursor: pointer;
    color: #78909c;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: background 0.12s;
}
.star-option:hover  { background: rgba(255,193,7,0.15); color: var(--accent2); border-color: rgba(255,193,7,0.3); }
.star-option.active { background: rgba(255,193,7,0.2);  color: var(--accent2); border-color: rgba(255,193,7,0.5); font-weight: 700; }

/* Make slot-gear-name relative for picker positioning */
.slot-gear-name { position: relative; }

/* Buff breakdown in summary */
.buff-breakdown {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid #1e2d3d;
}
.buff-breakdown-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #546e7a;
    margin-bottom: 8px;
    font-weight: 700;
}
.buff-context-group {
    margin-bottom: 10px;
}
.buff-context-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 4px;
    font-weight: 600;
}
.buff-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
    font-size: 11px;
    border-bottom: 1px solid #0e1a2e;
}
.buff-line:last-child { border-bottom: none; }
.buff-line-label { color: var(--text-muted); }
.buff-line-value { color: #a5d6a7; font-weight: 700; font-size: 12px; }
.buff-line-value.negative { color: #ef5350; }

/* ── Empty state ──────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 24px 10px;
    font-size: 12px;
    color: #455a64;
}

/* ── Toast ────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e3a5f;
    color: #fff;
    padding: 7px 18px;
    border-radius: 999px;
    font-size: 13px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.5);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    white-space: nowrap;
}

/* ── Scrollbars ───────────────────────────────────────────── */
.panel-inner::-webkit-scrollbar,
.items-list::-webkit-scrollbar,
#summaryPanel::-webkit-scrollbar {
    width: 5px;
}
.panel-inner::-webkit-scrollbar-thumb,
.items-list::-webkit-scrollbar-thumb,
#summaryPanel::-webkit-scrollbar-thumb {
    background: #2e3d4d;
    border-radius: 3px;
}
.panel-inner::-webkit-scrollbar-track,
.items-list::-webkit-scrollbar-track,
#summaryPanel::-webkit-scrollbar-track {
    background: transparent;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1100px) {
    .slots-grid { grid-template-columns: repeat(3, 1fr); }
    .panel { width: 240px; min-width: 200px; }
}

@media (max-width: 860px) {
    html, body { overflow: auto; }
    .page-wrapper { height: auto; overflow: visible; }
    .app-body {
        flex-direction: column;
        overflow: visible;
    }
    .panel {
        width: 100%;
        max-width: 100%;
        border: none;
        border-bottom: 1px solid var(--panel-border);
    }
    .panel-inner { overflow: visible; }
    .center-area { overflow: visible; }
    .library-section { min-height: 400px; }
    .items-list { min-height: 300px; }
    .slots-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 500px) {
    header { padding: 0 12px; }
    .slots-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-link { padding: 4px 7px; font-size: 12px; }
}