/* ═══════════════════════════════════════════════
   Hall Planning Calculator — Styles
   ═══════════════════════════════════════════════ */

/* ── Root / Variables ── */
.hpc-wrap {
    --hpc-accent: #1a3a5c;
    --hpc-accent2: #2d6fa0;
    --hpc-accent-light: #e8f2fc;
    --hpc-text: #1a2e4a;
    --hpc-gray: #6b7a8d;
    --hpc-border: #dce8f5;
    --hpc-radius: 12px;
    --hpc-shadow: 0 4px 16px rgba(26,58,92,.10);
    max-width: 900px;
    margin: 0 auto;
    font-family: inherit;
    color: var(--hpc-text);
}

.hpc-main-title {
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    color: var(--hpc-accent);
    margin-bottom: 28px;
}

/* ── Progress bar ── */
.hpc-progress {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 36px;
    position: relative;
}
.hpc-progress::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--hpc-border);
    z-index: 0;
}
.hpc-progress__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    z-index: 1;
    cursor: default;
}
.hpc-progress__dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--hpc-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--hpc-gray);
    transition: all .25s;
    margin-bottom: 6px;
}
.hpc-progress__label {
    font-size: 11px;
    color: var(--hpc-gray);
    font-weight: 500;
    transition: color .25s;
    white-space: nowrap;
}
.hpc-progress__step.is-active .hpc-progress__dot,
.hpc-progress__step.is-done .hpc-progress__dot {
    background: var(--hpc-accent2);
    border-color: var(--hpc-accent2);
    color: #fff;
}
.hpc-progress__step.is-done .hpc-progress__dot span { display: none; }
.hpc-progress__step.is-done .hpc-progress__dot::after { content: '✓'; font-size: 16px; }
.hpc-progress__step.is-active .hpc-progress__label,
.hpc-progress__step.is-done .hpc-progress__label { color: var(--hpc-accent2); font-weight: 600; }

/* ── Panel ── */
.hpc-panel {
    background: #fff;
    border: 1px solid var(--hpc-border);
    border-radius: var(--hpc-radius);
    padding: 28px 32px 24px;
    box-shadow: var(--hpc-shadow);
    animation: hpcFadeIn .25s ease;
}
@keyframes hpcFadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }

.hpc-panel__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--hpc-accent);
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--hpc-border);
}

/* ── Form grid ── */
.hpc-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
}
@media (max-width: 600px) { .hpc-form-grid { grid-template-columns: 1fr; } }

.hpc-field { display: flex; flex-direction: column; gap: 6px; }
.hpc-field--full { grid-column: 1 / -1; }

.hpc-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--hpc-text);
}
.hpc-field--required label::after { content: ' *'; color: #e53e3e; }

.hpc-field input[type=number],
.hpc-field input[type=text],
.hpc-field input[type=tel],
.hpc-field input[type=email],
.hpc-field input[type=date],
.hpc-field select,
.hpc-field textarea {
    border: 1px solid var(--hpc-border);
    border-radius: 8px;
    padding: 9px 12px;
    font-size: 14px;
    color: var(--hpc-text);
    background: #fff;
    transition: border-color .2s;
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
}
.hpc-field input:focus,
.hpc-field select:focus,
.hpc-field textarea:focus {
    outline: none;
    border-color: var(--hpc-accent2);
    box-shadow: 0 0 0 3px rgba(45,111,160,.12);
}
.hpc-field textarea { resize: vertical; }

.hpc-checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.hpc-checkbox-label input { width: 16px; height: 16px; }

/* ── Buttons ── */
.hpc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    border: none;
    text-decoration: none;
}
.hpc-btn--primary {
    background: var(--hpc-accent2);
    color: #fff;
}
.hpc-btn--primary:hover { background: var(--hpc-accent); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(45,111,160,.3); }
.hpc-btn--ghost {
    background: transparent;
    color: var(--hpc-gray);
    border: 1px solid var(--hpc-border);
}
.hpc-btn--ghost:hover { background: var(--hpc-accent-light); color: var(--hpc-accent); }
.hpc-btn--outline {
    background: transparent;
    color: var(--hpc-accent2);
    border: 2px solid var(--hpc-accent2);
}
.hpc-btn--outline:hover { background: var(--hpc-accent-light); }
.hpc-btn--lg { padding: 12px 28px; font-size: 16px; }
.hpc-btn:disabled { opacity: .5; cursor: not-allowed; }
.hpc-btn-text {
    background: none; border: none; color: var(--hpc-accent2);
    cursor: pointer; font-size: 13px; font-weight: 600; padding: 0;
    text-decoration: underline;
}
.hpc-btn-text:hover { color: var(--hpc-accent); }

.hpc-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    justify-content: flex-end;
}

/* ── Notice ── */
.hpc-notice { padding: 12px 16px; border-radius: 8px; font-size: 14px; }
.hpc-notice--warn { background: #fff8e1; border: 1px solid #ffc107; color: #7a5c00; }

/* ── Step 2: Chair grid ── */
.hpc-chair-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 8px;
}
@media (max-width: 700px) { .hpc-chair-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .hpc-chair-grid { grid-template-columns: 1fr; } }

.hpc-chair-card {
    border: 2px solid var(--hpc-border);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all .2s;
    position: relative;
    background: #fff;
}
.hpc-chair-card:hover {
    border-color: var(--hpc-accent2);
    box-shadow: 0 4px 12px rgba(45,111,160,.15);
    transform: translateY(-2px);
}
.hpc-chair-card.is-selected {
    border-color: var(--hpc-accent2);
    background: var(--hpc-accent-light);
}
.hpc-chair-card__img {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #f4f8fd;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hpc-chair-card__img img { width: 100%; height: 100%; object-fit: cover; }
.hpc-chair-card__img--placeholder { background: #e8f2fc; }

.hpc-chair-card__body { padding: 10px 12px 12px; }
.hpc-chair-card__name {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--hpc-text);
    margin-bottom: 4px;
    line-height: 1.3;
}
.hpc-chair-card__desc {
    font-size: 12px;
    color: var(--hpc-gray);
    margin: 0 0 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.hpc-chair-card__specs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--hpc-gray);
}
.hpc-chair-card__price { color: var(--hpc-accent2); font-weight: 700; }

.hpc-chair-card__check {
    position: absolute;
    top: 8px; right: 8px;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--hpc-accent2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    opacity: 0;
    transform: scale(.6);
    transition: all .2s;
}
.hpc-chair-card.is-selected .hpc-chair-card__check { opacity: 1; transform: scale(1); }

/* ── Step 3: SVG layout ── */
.hpc-layout-wrap { display: flex; flex-direction: column; gap: 16px; }

.hpc-quick-stats {
    display: flex;
    gap: 0;
    background: linear-gradient(135deg, var(--hpc-accent), var(--hpc-accent2));
    border-radius: 10px;
    overflow: hidden;
}
.hpc-qs-item {
    flex: 1;
    padding: 14px 20px;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,.15);
    color: #fff;
}
.hpc-qs-item:last-child { border-right: none; }
.hpc-qs-num {
    display: block;
    font-size: 28px;
    font-weight: 800;
    line-height: 1.1;
}
.hpc-qs-lbl { font-size: 11px; opacity: .8; text-transform: uppercase; letter-spacing: .4px; }

.hpc-svg-container {
    background: #f0f6fc;
    border: 1px solid var(--hpc-border);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    min-height: 300px;
}
.hpc-svg-skeleton {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--hpc-gray);
    font-size: 15px;
    background: linear-gradient(90deg, #eef4fb 25%, #dce8f5 50%, #eef4fb 75%);
    background-size: 200% 100%;
    animation: hpcShimmer 1.6s infinite;
}
@keyframes hpcShimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.hpc-svg {
    width: 100%;
    height: auto;
    display: block;
    cursor: default;
}
.hpc-svg .hpc-seat-g { cursor: pointer; }
.hpc-svg .hpc-seat-g:hover rect { filter: brightness(1.15); }
.hpc-svg .hpc-seat-g.is-dragging { opacity: .7; }

.hpc-svg-hint {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--hpc-gray);
    padding: 4px 2px;
}

/* ── Step 4: Budget ── */
.hpc-budget-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.hpc-budget-table th,
.hpc-budget-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--hpc-border); }
.hpc-budget-table th { background: #f4f8fd; font-weight: 700; color: var(--hpc-accent); }
.hpc-budget-table td:last-child { text-align: right; font-weight: 600; }
.hpc-budget-total td { background: var(--hpc-accent-light); font-weight: 800; font-size: 16px; color: var(--hpc-accent); }
.hpc-budget-total td:last-child { color: var(--hpc-accent2); font-size: 18px; }

.hpc-budget-note {
    font-size: 12px;
    color: var(--hpc-gray);
    margin-top: 12px;
    padding: 10px 14px;
    background: #f9fbfd;
    border-radius: 6px;
    border-left: 3px solid var(--hpc-accent2);
}

/* ── Step 5: Lead form ── */
.hpc-lead-layout {
    display: grid;
    /* summary (sidebar hẹp) | form (rộng) — HTML order: summary trước, form sau */
    grid-template-columns: 260px 1fr;
    gap: 28px;
    align-items: start;
}
@media (max-width: 780px) {
    .hpc-lead-layout { grid-template-columns: 1fr; }
    .hpc-lead-summary { position: static; }
}

/* Chống grid blowout — con trong grid luôn thu nhỏ được */
.hpc-lead-summary,
.hpc-lead-form-wrap { min-width: 0; box-sizing: border-box; }

.hpc-lead-summary {
    background: var(--hpc-accent-light);
    border: 1px solid var(--hpc-border);
    border-radius: 10px;
    padding: 18px 20px;
    font-size: 14px;
    position: sticky;
    top: 20px;
}
.hpc-lead-summary h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--hpc-accent);
    margin: 0 0 12px;
}
.hpc-lead-summary dl { margin: 0; display: flex; flex-direction: column; gap: 8px; }
.hpc-lead-summary dt { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--hpc-gray); margin: 0; }
.hpc-lead-summary dd { margin: 0; font-weight: 600; color: var(--hpc-text); }
.hpc-lead-summary .hpc-sum-total { font-size: 20px; color: var(--hpc-accent2); font-weight: 800; }

.hpc-lead-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
    align-items: center;
}
/* PDF button: tự co theo nội dung */
.hpc-lead-actions .hpc-btn--outline {
    flex: 0 0 auto;
    white-space: nowrap;
}
/* Submit button: chiếm phần còn lại */
.hpc-lead-actions .hpc-btn--primary {
    flex: 1 1 auto;
    justify-content: center;
    white-space: nowrap;
    min-width: 180px;
}
@media (max-width: 480px) {
    .hpc-lead-actions { flex-direction: column; }
    .hpc-lead-actions .hpc-btn { width: 100%; justify-content: center; }
}

.hpc-form-msg {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 12px;
    font-weight: 500;
}
.hpc-form-msg--success { background: #e8f5e9; border: 1px solid #4caf50; color: #2e7d32; }
.hpc-form-msg--error { background: #fdecea; border: 1px solid #f44336; color: #c62828; }

/* ── Responsive ── */
@media (max-width: 600px) {
    .hpc-panel { padding: 20px 16px; }
    .hpc-progress__label { font-size: 9px; }
    .hpc-progress__dot { width: 32px; height: 32px; font-size: 13px; }
    .hpc-qs-num { font-size: 22px; }
    .hpc-actions { flex-direction: column-reverse; }
    .hpc-actions .hpc-btn { width: 100%; justify-content: center; }
}