/* Shared Tool Components & Design System */

/* Variables and Theme Sync */
.tool-container {
    max-width: 1000px;
    margin: 0 auto;
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-4);
}

.tool-title-group {
    flex: 1;
}

.tool-title {
    font-size: clamp(1.8rem, 1.2rem + 2.5vw, 3rem);
    color: var(--color-link);
    margin-bottom: var(--space-1);
    font-weight: 700;
}

.tool-subtitle {
    font-size: 0.9rem;
    color: var(--color-muted);
}

/* Tool Cards */
.tool-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-8);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    transition: transform 300ms cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 300ms ease;
}

[data-theme="light"] .tool-card {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

/* Form Elements */
.tool-input-group {
    margin-bottom: var(--space-6);
}

.tool-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

.tool-input {
    width: 100%;
    padding: 14px 18px;
    box-sizing: border-box;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    background-color: var(--color-surface-raised);
    color: var(--color-white);
    transition: all 250ms ease;
    outline: none;
}

.tool-input:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(255, 201, 14, 0.15);
}

/* Buttons */
.tool-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: 16px;
    background-color: var(--color-gold);
    color: #101010;
    border: none;
    border-radius: 10px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 150ms ease, box-shadow 250ms ease, background-color 200ms ease;
}

.tool-btn:hover {
    box-shadow: 0 8px 25px rgba(255, 201, 14, 0.35);
    background-color: #ffd643;
}

.tool-btn:active {
    transform: scale(0.98);
}

.tool-btn-secondary {
    width: auto;
    padding: 10px 20px;
    font-size: 0.85rem;
    background-color: var(--color-surface-raised);
    color: var(--color-white);
    border: 1px solid var(--color-border);
}

.tool-btn-secondary:hover {
    background-color: var(--color-surface);
    border-color: var(--color-gold);
    box-shadow: none;
    color: var(--color-gold);
}

/* Results Component */
.tool-result {
    margin-top: var(--space-8);
    padding: var(--space-6);
    background-color: var(--color-surface-raised);
    border-radius: 12px;
    border-left: 4px solid var(--color-gold);
    display: none;
    animation: toolFadeIn 400ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.tool-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    font-size: 0.95rem;
}

.tool-result-row:last-child {
    margin-bottom: 0;
}

.tool-result-row.total {
    border-top: 1px dashed var(--color-border);
    padding-top: var(--space-4);
    margin-top: var(--space-4);
    font-weight: 700;
    font-size: 1.2rem;
}

.tool-highlight-success {
    color: #2ECC71 !important;
}

[data-theme="light"] .tool-highlight-success {
    color: #27AE60 !important;
}

.tool-highlight-error {
    color: #E74C3C !important;
}

[data-theme="light"] .tool-highlight-error {
    color: #C0392B !important;
}

@keyframes toolFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- PERPETUAL CALENDAR NATIVE STYLES --- */
.calendar-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

@media (min-width: 900px) {
    .calendar-wrapper {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: var(--space-8);
        align-items: flex-start;
    }
}

.calendar-main {
    width: 100%;
}

.calendar-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
    border-radius: 12px;
}

.calendar-nav-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 200ms ease;
    width: 40px;
    height: 40px;
}

.calendar-nav-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background-color: var(--color-surface-raised);
}

.calendar-nav-title {
    text-align: center;
}

.calendar-nav-title h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.calendar-nav-title span {
    font-size: 0.8rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
}

/* Days of Week Headers */
.calendar-days-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    text-align: center;
    margin-bottom: 8px;
}

.calendar-day-header {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    padding: var(--space-2) 0;
}

.calendar-day-header.weekend {
    color: var(--color-white);
}

.calendar-day-header.sunday {
    color: var(--color-gold);
}

/* Calendar Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    background-color: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .calendar-grid {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

/* Cells */
.calendar-cell {
    background-color: var(--color-surface);
    aspect-ratio: 1 / 1;
    min-height: 70px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    transition: all 200ms ease;
    user-select: none;
}

.calendar-cell:hover {
    background-color: var(--color-surface-raised);
    box-shadow: inset 0 0 0 2px var(--color-gold);
    z-index: 2;
}

.calendar-cell.is-ghost {
    opacity: 0.25;
    background-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .calendar-cell.is-ghost {
    background-color: rgba(0, 0, 0, 0.02);
}

.calendar-cell.is-today {
    background-color: rgba(255, 201, 14, 0.04) !important;
    box-shadow: inset 0 0 0 2px var(--color-gold);
}

.calendar-cell.is-selected {
    background-color: var(--color-white) !important;
    color: var(--color-black) !important;
}

.calendar-cell.is-selected .calendar-lunar {
    color: var(--color-gray) !important;
}

/* Cell Elements */
.calendar-solar {
    font-size: 1.3rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.calendar-lunar {
    font-size: 0.75rem;
    text-align: right;
    color: var(--color-muted);
}

.calendar-lunar.special {
    color: #e67e22;
    font-weight: 700;
}

.calendar-lunar.leap {
    color: #e74c3c;
    font-size: 0.65rem;
    font-weight: 700;
}

/* Details Sidebar */
.calendar-sidebar {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-6);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .calendar-sidebar {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.calendar-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background-color: var(--color-gold);
    opacity: 0.05;
    border-bottom-left-radius: 100%;
    pointer-events: none;
}

.sidebar-section {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
}

.sidebar-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.sidebar-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    margin-bottom: var(--space-2);
    display: block;
}

.sidebar-solar-day {
    display: flex;
    align-items: flex-end;
    gap: var(--space-4);
}

.sidebar-solar-num {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-white);
    font-family: var(--font-mono);
}

.sidebar-solar-text {
    font-size: 1rem;
    font-weight: 500;
    padding-bottom: 6px;
}

.sidebar-lunar-main {
    display: flex;
    align-items: baseline;
    gap: var(--space-4);
    margin-top: 4px;
}

.sidebar-lunar-num {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
    font-family: var(--font-mono);
    line-height: 1;
}

.sidebar-lunar-details {
    display: flex;
    flex-direction: column;
}

.sidebar-lunar-month {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
}

.sidebar-lunar-year {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.sidebar-canchi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-3);
}

.sidebar-canchi-card {
    background-color: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    padding: var(--space-3);
    border-radius: 8px;
    text-align: center;
}

.sidebar-canchi-val {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
    display: block;
}

.sidebar-lucky-box {
    background-color: rgba(255, 201, 14, 0.03);
    border: 1px dashed rgba(255, 201, 14, 0.3);
    padding: var(--space-4);
    border-radius: 8px;
}

.sidebar-lucky-title {
    color: var(--color-gold);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
    display: block;
}

.sidebar-lucky-hours {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--color-white);
}

/* --- RESPONSIVE ADJUSTMENTS FOR ONLINE TOOLS --- */

@media (max-width: 768px) {
    .tool-header {
        margin-bottom: var(--space-6);
    }
    .tool-subtitle {
        font-size: 0.85rem;
    }
}

@media (max-width: 600px) {
    /* Calendar Cell Responsiveness */
    .calendar-cell {
        min-height: 48px;
        padding: 4px;
    }
    
    .calendar-solar {
        font-size: 0.95rem;
    }
    
    .calendar-lunar {
        font-size: 0.6rem;
    }
    
    .calendar-day-header {
        font-size: 0.65rem;
        padding: var(--space-1) 0;
    }
    
    .calendar-nav-title h2 {
        font-size: 1.25rem;
    }
    
    .calendar-nav-title span {
        font-size: 0.7rem;
    }
    
    .calendar-navigation {
        padding: var(--space-3) var(--space-4);
    }
    
    .calendar-nav-btn {
        width: 34px;
        height: 34px;
    }
    
    /* Sidebar Details layout on Mobile */
    .calendar-sidebar {
        padding: var(--space-4);
    }
    
    .sidebar-solar-num {
        font-size: 3rem;
    }
    
    .sidebar-solar-text {
        font-size: 0.9rem;
    }
    
    .sidebar-lunar-num {
        font-size: 2.25rem;
    }
    
    .sidebar-lunar-month {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .tool-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    
    .tool-btn-secondary {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .tool-card {
        padding: var(--space-4);
        border-radius: 12px;
    }
    
    .tool-input {
        padding: 10px 14px;
        font-size: 0.95rem;
    }
    
    .tool-label {
        font-size: 0.75rem;
    }
    
    .tool-btn {
        padding: 12px;
        font-size: 0.95rem;
    }
    
    .tool-result {
        padding: var(--space-4);
        border-radius: 8px;
    }
    
    .tool-result-row {
        font-size: 0.85rem;
    }
    
    .tool-result-row.total {
        font-size: 1rem;
    }
    
    .tool-result-row.total strong {
        font-size: 1.1rem !important;
    }
}