/* =========================================================================
   Huyen Khong Phi Tinh - Dark Theme Styling
   ========================================================================= */

/* --- Base --- */
.hk-wrapper {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 960px;
    margin: 0 auto;
    color: #e0e0e0;
}

/* --- Form --- */
.hk-form {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid #3a3a5c;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 25px;
}

.hk-title {
    text-align: center;
    color: #e2b93b;
    font-size: 22px;
    font-weight: 800;
    margin: 0 0 4px;
    letter-spacing: 2px;
}

.hk-subtitle {
    text-align: center;
    color: #8a8aaa;
    font-size: 13px;
    margin: 0 0 25px;
}

.hk-form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 25px;
}

.hk-field {
    display: flex;
    flex-direction: column;
}

.hk-field label {
    color: #c8a45a;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.hk-optional {
    color: #666;
    font-weight: 400;
    font-size: 11px;
}

.hk-field input,
.hk-field select {
    background: #0f0f23;
    border: 1px solid #3a3a5c;
    border-radius: 6px;
    color: #e0e0e0;
    font-size: 15px;
    padding: 10px 12px;
    transition: border-color 0.2s;
    width: 100%;
    box-sizing: border-box;
}

.hk-field input:focus,
.hk-field select:focus {
    border-color: #e2b93b;
    outline: none;
}

.hk-hint {
    color: #5a5a7a;
    font-size: 11px;
    margin-top: 4px;
}

.hk-form-actions {
    text-align: center;
}

.hk-submit {
    background: linear-gradient(135deg, #e2b93b 0%, #c8a020 100%);
    border: none;
    border-radius: 8px;
    color: #1a1a2e;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 12px 40px;
    transition: all 0.2s;
}

.hk-submit:hover {
    background: linear-gradient(135deg, #f0c84a 0%, #d8b030 100%);
    transform: translateY(-1px);
}

.hk-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* --- Loading / Error --- */
.hk-loading {
    text-align: center;
    color: #e2b93b;
    padding: 30px;
    font-size: 15px;
}

.hk-error {
    background: #2a1520;
    border: 1px solid #803030;
    border-radius: 8px;
    color: #ff6b6b;
    padding: 15px 20px;
    text-align: center;
    font-size: 14px;
}

/* --- Result Container --- */
.hk-result-container {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid #3a3a5c;
    border-radius: 12px;
    padding: 25px;
}

.hk-result-title {
    text-align: center;
    color: #e2b93b;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 2px;
    margin: 0 0 20px;
}

/* --- Info Panel --- */
.hk-info-panel {
    margin-bottom: 25px;
}

.hk-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 20px;
}

.hk-info-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 4px 0;
    border-bottom: 1px solid #1a1a3e;
    font-size: 13px;
}

.hk-info-label {
    color: #c8a45a;
    font-weight: 600;
    min-width: 100px;
    flex-shrink: 0;
}

.hk-info-value {
    color: #d0d0e0;
}

/* Phan Kim quality colors */
.hk-pk-vuong { color: #4CAF50; }
.hk-pk-tuong { color: #4db8ff; }
.hk-pk-co    { color: #FF9800; }
.hk-pk-bai   { color: #ff6b6b; }

/* --- Grid Legend --- */
.hk-grid-container {
    margin-bottom: 25px;
}

.hk-grid-legend {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 600;
}

.hk-legend-son   { color: #4db8ff; }
.hk-legend-van   { color: #e2b93b; }
.hk-legend-huong { color: #ff6b6b; }

.hk-legend-son::before,
.hk-legend-van::before,
.hk-legend-huong::before {
    content: '\25CF ';
    font-size: 10px;
}

/* --- 3x3 Cuu Cung Grid --- */
.hk-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: #e2b93b;
    border: 2px solid #e2b93b;
    border-radius: 8px;
    overflow: hidden;
}

.hk-cell {
    background: #0f0f23;
    padding: 10px;
    min-height: 160px;
    display: flex;
    flex-direction: column;
}

.hk-cell-center {
    background: linear-gradient(135deg, #1a1a2e, #12122a);
}

.hk-cell-toa {
    background: linear-gradient(135deg, #0f1a23, #0a1520);
}

.hk-cell-huong {
    background: linear-gradient(135deg, #1a0f23, #150a20);
}

/* Cell Header */
.hk-cell-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    padding-bottom: 4px;
    border-bottom: 1px solid #2a2a4c;
}

.hk-palace-name {
    color: #e2b93b;
    font-weight: 700;
    font-size: 11px;
}

.hk-tag {
    font-size: 9px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hk-tag-toa {
    background: #1a3a4a;
    color: #4db8ff;
}

.hk-tag-huong {
    background: #3a1a2a;
    color: #ff6b6b;
}

/* Dia Ban */
.hk-cell-diaban {
    color: #6a6a8a;
    font-size: 10px;
    margin-bottom: 6px;
}

/* Star Row - 3 so lon */
.hk-star-row {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 0;
}

.hk-star-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 33%;
}

.hk-star-number {
    font-size: 28px;
    font-weight: 900;
    line-height: 1;
}

.hk-star-label {
    font-size: 9px;
    color: #5a5a7a;
    margin-top: 2px;
}

/* Star colors */
.hk-son-tinh   { color: #4db8ff; }
.hk-van-tinh   { color: #e2b93b; }
.hk-huong-tinh { color: #ff6b6b; }

/* Star Details */
.hk-star-details {
    margin-top: auto;
    padding-top: 6px;
    border-top: 1px solid #1a1a3e;
}

.hk-detail-line {
    font-size: 10px;
    color: #8a8aaa;
    line-height: 1.6;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.hk-detail-label {
    color: #6a6a8a;
    font-weight: 600;
    min-width: 40px;
}

/* Badges */
.hk-badge {
    display: inline-block;
    font-size: 8px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 3px;
    letter-spacing: 0.3px;
    vertical-align: middle;
}

.hk-phan-ngam {
    background: #3a1520;
    color: #ffa0a0;
}

.hk-phuc-ngam {
    background: #2a1540;
    color: #c8a0ff;
}

/* --- Analysis Panel --- */
.hk-analysis-panel {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #3a3a5c;
}

.hk-analysis-title {
    color: #e2b93b;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 15px;
}

.hk-analysis-item {
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 13px;
}

.hk-analysis-item strong {
    display: block;
    margin-bottom: 4px;
}

.hk-analysis-item p {
    margin: 0;
    color: #a0a0b0;
    font-size: 12px;
}

.hk-analysis-good {
    background: #0a2a15;
    border-left: 3px solid #4CAF50;
}

.hk-analysis-good strong { color: #4CAF50; }

.hk-analysis-bad {
    background: #2a0a15;
    border-left: 3px solid #ff6b6b;
}

.hk-analysis-bad strong { color: #ff6b6b; }

.hk-analysis-neutral {
    background: #2a2a0a;
    border-left: 3px solid #FF9800;
}

.hk-analysis-neutral strong { color: #FF9800; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .hk-form-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .hk-info-grid {
        grid-template-columns: 1fr;
    }

    .hk-form {
        padding: 20px;
    }

    .hk-result-container {
        padding: 15px;
    }

    .hk-star-number {
        font-size: 22px;
    }

    .hk-cell {
        padding: 8px;
        min-height: 140px;
    }

    .hk-star-details {
        display: none;
    }
}

@media (max-width: 500px) {
    .hk-star-number {
        font-size: 18px;
    }

    .hk-cell {
        padding: 6px;
        min-height: 110px;
    }

    .hk-palace-name {
        font-size: 9px;
    }

    .hk-cell-diaban {
        font-size: 8px;
    }

    .hk-tag {
        font-size: 7px;
        padding: 0px 4px;
    }
}