@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

/* --- 1. Design Tokens (Variables) --- */
:root {
    --bt-primary: #0073aa;
    --bt-primary-hover: #005177;
    --bt-bg: #ffffff;
    --bt-card-bg: #ffffff;
    --bt-text: #2c3e50;
    --bt-text-muted: #7f8c8d;
    --bt-border: #dcdde1;
    --bt-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --bt-radius: 12px;
    --bt-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --bt-result-bg: #f8f9fa;
    --bt-input-bg: #ffffff;
    --bt-success: #27ae60;
    --bt-danger: #e74c3c;
    --bt-warning: #f39c12;
}

/* Dark Mode Detectors */
[data-theme="dark"],
[data-bs-theme="dark"],
.dark,
.dark-mode,
html.dark,
html.dark-mode,
body.dark,
body.dark-mode {
    --bt-bg: #121212 !important;
    --bt-card-bg: #1e1e1e !important;
    --bt-input-bg: #2c2c2c !important;
    --bt-text: #ecf0f1 !important;
    --bt-text-muted: #bdc3c7 !important;
    --bt-border: #333940 !important;
    --bt-shadow: 0 8px 24px rgba(0, 0, 0, 0.5) !important;
    --bt-result-bg: #1c1c1c !important;
}

/* Light Mode Override */
[data-theme="light"],
[data-bs-theme="light"],
.light,
.light-mode,
html.light,
html.light-mode,
body.light,
body.light-mode {
    --bt-bg: #ffffff !important;
    --bt-card-bg: #ffffff !important;
    --bt-input-bg: #ffffff !important;
    --bt-text: #2c3e50 !important;
    --bt-text-muted: #7f8c8d !important;
    --bt-border: #dcdde1 !important;
    --bt-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
    --bt-result-bg: #f8f9fa !important;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bt-bg: #121212;
        --bt-card-bg: #1e1e1e;
        --bt-input-bg: #2c2c2c;
        --bt-text: #ecf0f1;
        --bt-text-muted: #bdc3c7;
        --bt-border: #333940;
        --bt-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
        --bt-result-bg: #1c1c1c;
    }
}

/* --- 2. Base Styles --- */
.tpl_shortcode {
    font-family: 'Roboto', sans-serif;
    color: var(--bt-text);
    box-sizing: border-box;
}

.bt-xemhuongnha,
.bt-xemtuoixaynha {
    margin: 30px auto;
    padding: 30px;
    background: var(--bt-card-bg);
    color: var(--bt-text);
    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius);
    box-shadow: var(--bt-shadow);
    transition: var(--bt-transition);
}

/* La bàn (Canvas) Scrollable Area */
.batTrachCanvas_process {
    position: relative;
    /* Quan trọng để Tooltip định vị đúng */
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    margin: 2rem 0;
    padding: 20px;
    box-sizing: border-box;
    text-align: center;
    scrollbar-width: thin;
    scrollbar-color: var(--bt-border) transparent;
}

.batTrachCanvas_process::-webkit-scrollbar {
    height: 6px;
}

.batTrachCanvas_process::-webkit-scrollbar-thumb {
    background: var(--bt-border);
    border-radius: 10px;
}

.batTrachCanvas_process canvas {
    max-width: none !important;
    /* Ngăn canvas bị thu nhỏ */
    display: inline-block;
    vertical-align: middle;
}

.tpl_shortcode h2 {
    margin-top: 0;
    margin-bottom: 25px;
    text-align: center;
    color: var(--bt-text);
    font-weight: 700;
}

/* --- 3. Form Layout & Controls --- */
.tpl_form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bt-flex-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.bt-flex-row>div {
    flex: 1;
    min-width: 120px;
}

.bt-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bt-form-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--bt-text);
}

.bt-form-group input[type="number"],
.bt-form-group select {
    height: 45px;
    padding: 0 12px;
    line-height: 45px;
    border: 1px solid var(--bt-border);
    border-radius: 8px;
    background-color: var(--bt-input-bg);
    color: var(--bt-text);
    width: 100%;
    font-size: 1rem;
    box-sizing: border-box;
    transition: var(--bt-transition);
}

.bt-form-group select {
    line-height: 1.2;
    /* Reset for some browsers */
}

.bt-form-group select option {
    background-color: var(--bt-card-bg);
    color: var(--bt-text);
}

.bt-form-group input:focus,
.bt-form-group select:focus {
    border-color: var(--bt-primary);
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
    outline: none;
}

/* Toggle Switches */
.toggle-switch,
.gender-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
}

.switch,
.gender-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input,
.gender-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider,
.gender-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 34px;
}

.slider:before,
.gender-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

.switch input:checked+.slider,
.gender-switch input:checked+.gender-slider {
    background-color: var(--bt-primary);
}

.switch input:checked+.slider:before,
.gender-switch input:checked+.gender-slider:before {
    transform: translateX(24px);
}

.calendar-option,
.gender-option {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--bt-text-muted);
}

.calendar-option.active,
.gender-option.active {
    color: var(--bt-text);
}

/* --- 4. Buttons & Actions --- */
.bt-submit {
    padding: 14px 28px;
    background: radial-gradient(circle at center, #ff6a95, #f8b400, #06beb6, #00d4ff);
    background-size: 150% 150%;
    color: #fff;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: breathing-gradient 6s ease-in-out infinite;
    transition: var(--bt-transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

@keyframes breathing-gradient {

    0%,
    100% {
        background-position: 0% 50%;
        background-size: 100% 100%;
    }

    50% {
        background-position: 100% 50%;
        background-size: 200% 200%;
    }
}

.bt-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.bt-submit:active {
    transform: translateY(0);
}

/* --- 5. Result Display --- */
.tpl_result {
    margin-top: 30px;
}

.xemhuongnha-result .item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--bt-border);
}

.xemhuongnha-result .item:last-child {
    border-bottom: none;
}

.item-label {
    font-weight: 600;
    color: var(--bt-text-muted);
}

.item-value {
    font-weight: 700;
    color: var(--bt-text);
}

.short_meaning {
    background: #f39c12;
    padding: 4px 12px;
    color: #fff;
    border-radius: 4px;
    font-size: 0.85rem;
}

.item.que_menh .item-value,
.item.menh_trach .item-value {
    background: linear-gradient(45deg, #ff6b6b, #f06595, #845ec2, #4ea8de, #56cfe1);
    background-size: 300% 300%;
    animation: gradient-flow 8s ease infinite;
    padding: 6px 14px;
    border-radius: 6px;
    color: #fff;
    text-transform: uppercase;
    font-size: 0.9rem;
}

@keyframes gradient-flow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Build Result specific */
.bt-xaynha-output .item {
    margin: 15px 0;
    padding: 15px;
    border: 1px dashed var(--bt-border);
    border-radius: 8px;
    background: var(--bt-result-bg);
}

.section-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.section-title {
    font-weight: 700;
    font-size: 1.05rem;
}

.bt-bullet {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: btPulse 1.8s ease-in-out infinite;
}

@keyframes btPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.2);
        opacity: 1;
        box-shadow: 0 0 10px currentColor;
    }
}

/* --- 6. Tooltips & Modals --- */
#tooltip {
    position: absolute;
    background: #2d2a2e;
    color: #fff;
    padding: 15px;
    border-radius: 8px;
    font-size: 15px;
    display: none;
    z-index: 1000;
    max-width: 350px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 15px;
    width: 24px;
    height: 24px;
    background: url('https://cdn-icons-png.flaticon.com/512/3982/3982361.png') no-repeat center;
    background-size: contain;
}

.bt-guide-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.bt-guide-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.bt-guide-modal .inner {
    background: var(--bt-card-bg);
    color: var(--bt-text);
    max-width: 700px;
    width: 90%;
    padding: 30px;
    border-radius: var(--bt-radius);
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--bt-shadow);
}

/* --- 7. Loading States --- */
.bt-loading-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    background: var(--bt-result-bg);
    border-radius: var(--bt-radius);
    margin: 20px 0;
}

.bt-loading {
    width: 30px;
    height: 30px;
    border: 3px solid var(--bt-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: bt-spin 0.8s linear infinite;
}

@keyframes bt-spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- 8. Bat Trach Result Cards --- */
.bat-trach-result {
    margin-top: 30px;
}

.bt-result-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 30px 0 20px;
    padding-left: 15px;
    border-left: 5px solid var(--bt-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.bt-result-title.good {
    border-left-color: var(--bt-success);
    color: var(--bt-success);
}

.bt-result-title.bad {
    border-left-color: var(--bt-danger);
    color: var(--bt-danger);
}

.bt-direction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.bt-direction-card {
    background: var(--bt-card-bg);
    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: var(--bt-transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bt-direction-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--bt-shadow);
}

.bt-direction-card.is-good {
    border-top: 4px solid var(--bt-success);
}

.bt-direction-card.is-bad {
    border-top: 4px solid var(--bt-danger);
}

.bt-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.bt-card-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bt-text);
}

.bt-title-chinese {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--bt-text-muted);
    margin-left: 5px;
}

.bt-card-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.is-good .bt-card-badge {
    background: rgba(39, 174, 96, 0.1);
    color: var(--bt-success);
}

.is-bad .bt-card-badge {
    background: rgba(231, 76, 60, 0.1);
    color: var(--bt-danger);
}

.bt-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.85rem;
}

.bt-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--bt-text-muted);
}

.bt-meta-item strong {
    color: var(--bt-text);
}

.bt-card-meaning {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--bt-text);
    margin-top: 5px;
    padding-top: 12px;
    border-top: 1px dashed var(--bt-border);
}

.bt-card-meaning .short {
    display: block;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--bt-warning);
}

/* Hide old styles if any */
.luangiai-battrach .bat-trach-result .good_directions,
.luangiai-battrach .bat-trach-result .bad_directions {
    display: none;
}

/* --- 8. Responsive Design --- */
@media (max-width: 768px) {

    .bt-xemhuongnha,
    .bt-xemtuoixaynha {
        padding: 10px;
    }

    .bt-flex-row>div {
        flex: 0 0 100%;
    }

    .item-label {
        min-width: auto;
    }
}

@media (max-width: 480px) {

    .bt-xemhuongnha,
    .bt-xemtuoixaynha {
        padding: 5px;
    }

    .bt-xemhuongnha h2 {
        font-size: 1.3rem;
    }

    .xemhuongnha-result .item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 5px;
    }


    .item-value {
        width: 50%;
    }

    .bt-submit {
        width: 100%;
        border-radius: 12px;
    }
}