:root {
    --bs-primary: #9e0027;
    --bs-primary-hover: #c41e3a;
    --bs-body-font-family: 'Inter', sans-serif;
    --font-headline: 'Noto Serif', serif;
    
    --bs-body-bg: #fbf9f4;
    --bs-body-color: #1b1c19;
    
    --color-surface-container-lowest: #ffffff;
    --color-surface-container-low: #f5f3ee;
    --color-surface-container: #f0eee9;
    --color-surface-container-high: #eae8e3;
    --color-surface-container-highest: #e4e2dd;
    
    --color-surface-variant: #e4e2dd;
    --color-surface-dim: #dbdad5;
    --color-on-surface-variant: #5b4040;
    
    --color-secondary: #5f5e5e;
    --color-secondary-fixed-dim: #c8c6c5;
    --color-secondary-container: #e2dfde;
    --color-on-secondary-container: #636262;
    
    --color-primary-container: #c41e3a;
    --color-primary-fixed: #ffdad9;
    --color-on-primary-fixed: #40000a;
    --color-outline-variant: #e3bebd;
}

body {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    font-family: var(--bs-body-font-family);
}

::selection {
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-fixed);
}

.font-headline {
    font-family: var(--font-headline);
}

.font-body {
    font-family: var(--bs-body-font-family);
}

.text-primary { color: var(--bs-primary) !important; }
.bg-primary { background-color: var(--bs-primary) !important; }
.text-on-primary { color: #ffffff !important; }
.text-secondary { color: var(--color-secondary) !important; }

.btn-primary { 
    background-color: var(--bs-primary); 
    border-color: var(--bs-primary); 
    color: #ffffff;
}
.btn-primary:hover, .btn-primary:active { 
    background-color: var(--bs-primary-hover) !important; 
    border-color: var(--bs-primary-hover) !important; 
}

.bg-surface-container-lowest { background-color: var(--color-surface-container-lowest); }
.bg-surface-container-low { background-color: var(--color-surface-container-low); }
.bg-surface-container { background-color: var(--color-surface-container); }
.bg-surface-container-high { background-color: var(--color-surface-container-high); }
.bg-surface-container-highest { background-color: var(--color-surface-container-highest); }
.bg-surface { background-color: var(--bs-body-bg); }

.bg-outline-variant { background-color: var(--color-outline-variant); }
.text-on-surface-variant { color: var(--color-on-surface-variant); }
.text-surface-dim { color: var(--color-surface-dim); }
.text-on-surface { color: var(--bs-body-color); }

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* Utility classes */
.tracking-tight { letter-spacing: -0.025em; }
.tracking-widest { letter-spacing: 0.1em; }
.transition-all { transition: all 0.3s ease; }
.transition-transform { transition: transform 0.3s ease; }
.transition-colors { transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease; }
.cursor-pointer { cursor: pointer; }

/* Interactive Utilities */
.opacity-75-hover:hover { opacity: 0.75; }
.hover-text-primary:hover { color: var(--bs-primary) !important; }
.hover-border:hover { border-color: rgba(227, 190, 189, 0.4) !important; }
.hover-shadow-md:hover { box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); border-color: transparent !important; }
.hover-bg-surface-variant:hover { background-color: rgba(228, 226, 221, 0.2); }
.border-dashed { border-style: dashed !important; }

/* Navigation Custom Links (Handled by JS active logic) */
.nav-link-custom {
    color: var(--color-on-surface-variant) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}
.nav-link-custom:hover {
    color: var(--bs-primary) !important;
}
.nav-link-active, .nav-link-custom.active {
    color: var(--bs-primary) !important;
    font-weight: 600;
    border-bottom: 2px solid var(--bs-primary);
    padding-bottom: 0.25rem;
}

.text-decoration-underline-hover:hover {
    text-decoration: underline !important;
    text-underline-offset: 4px;
}

/* Animations */
.group:hover .group-hover-translate-x { transform: translateX(0.25rem); }
.group:hover .group-hover-rotate-90 { transform: rotate(90deg); }
.group-arrow:hover .arrow-move { transform: translateX(4px); }

.rotate-180 { transform: rotate(180deg); }

/* Custom Layout Patterns */
.shoji-screen {
    background-image: linear-gradient(to right, rgba(227, 190, 189, 0.1) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(227, 190, 189, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.seigaiha-pattern {
    background-color: transparent;
    background-image: radial-gradient(circle at 100% 150%, transparent 20%, rgba(227, 190, 189, 0.15) 21%, rgba(227, 190, 189, 0.15) 34%, transparent 35%, transparent),
                      radial-gradient(circle at 0% 150%, transparent 20%, rgba(227, 190, 189, 0.15) 21%, rgba(227, 190, 189, 0.15) 34%, transparent 35%, transparent);
    background-size: 60px 30px;
}

/* Gallery Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 250px;
    gap: 1.5rem;
}
@media (max-width: 991.98px) {
    .bento-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 300px;
    }
}
.bento-item-1 { grid-column: span 8; grid-row: span 2; }
.bento-item-2 { grid-column: span 4; grid-row: span 1; }
.bento-item-3 { grid-column: span 4; grid-row: span 1; }
.bento-item-4 { grid-column: span 6; grid-row: span 2; }
.bento-item-5 { grid-column: span 6; grid-row: span 1; }
.bento-item-6 { grid-column: span 6; grid-row: span 1; }
@media (max-width: 991.98px) {
    .bento-item-1, .bento-item-2, .bento-item-3, .bento-item-4, .bento-item-5, .bento-item-6 {
        grid-column: span 1;
        grid-row: span 1;
    }
}

/* Images & Hover Effects */
.img-grayscale-hover {
    filter: grayscale(100%);
    transition: all 0.8s ease;
}
.img-grayscale-hover:hover {
    filter: grayscale(0%);
}

.img-scale-hover {
    transition: transform 1s ease;
}
.group:hover .img-scale-hover {
    transform: scale(1.05);
}

.placeholder-dim::placeholder {
    color: var(--color-surface-dim) !important;
    opacity: 1;
}

.input-underline:focus {
    outline: none;
    box-shadow: none;
    border-color: var(--bs-primary) !important;
}

/* Custom Checkbox */
.custom-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    background-color: transparent;
    border: 1px solid var(--color-outline-variant);
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
}
.custom-checkbox:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    position: relative;
}
.custom-checkbox:checked::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* FAQ Layout Specific */
.w-lg-33 { width: 100%; }
.w-lg-66 { width: 100%; }
@media (min-width: 992px) {
    .w-lg-33 { width: 33.333333%; }
    .w-lg-66 { width: 66.666667%; }
}

.hover-border:hover { border-color: rgba(227, 190, 189, 0.4) !important; }
.hover-shadow-md:hover { box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); border-color: transparent !important; }

.group-hover-rotate-90 { transition: transform 0.3s ease; }
.group:hover .group-hover-rotate-90 { transform: rotate(90deg); }
.rotate-180 { transform: rotate(180deg); }

.hover-bg-surface-variant:hover { background-color: rgba(228, 226, 221, 0.2); }

/* Reservation Specific */
.appearance-none {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: none !important;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    background: transparent;
    bottom: 0;
    color: transparent;
    cursor: pointer;
    height: auto;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    width: auto;
}

/* Gallery Specific Layout */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}
@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(12, 1fr);
        grid-auto-rows: 300px;
    }
    .bento-large { grid-column: span 8; grid-row: span 2; }
    .bento-portrait { grid-column: span 4; grid-row: span 2; }
    .bento-landscape { grid-column: span 6; grid-row: span 1; }
    .bento-square-1 { grid-column: span 3; grid-row: span 1; }
    .bento-square-2 { grid-column: span 3; grid-row: span 1; }
}

.bg-overlay {
    background: linear-gradient(to top, rgba(27, 28, 25, 0.6), transparent);
}

.group-hover-opacity { transition: opacity 0.5s ease; }
.group:hover .group-hover-opacity { opacity: 1; }
.group:hover .transition-transform { transform: scale(1.1); }

.img-grayscale-hover {
    filter: grayscale(100%);
    transition: all 1s ease;
}
.img-grayscale-hover:hover {
    filter: grayscale(0%);
}

.group-arrow:hover .arrow-move { transform: translateX(4px); }
.group-line:hover .line-expand { width: 5rem !important; }
.img-scale-hover:hover { transform: scale(1.05); transition: transform 0.5s ease; }

.shoji-screen {
    background-image: linear-gradient(to right, rgba(227, 190, 189, 0.1) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(227, 190, 189, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}
.text-secondary { color: #5f5e5e !important; }

/* About Us Gallery Specific */
.grid-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
}
@media (min-width: 768px) {
    .grid-gallery {
        grid-template-columns: repeat(4, 1fr);
    }
}
.gallery-main { grid-column: span 2; grid-row: span 2; }
.gallery-item-1 { grid-column: span 1; grid-row: span 1; }
.gallery-item-2 { grid-column: span 1; grid-row: span 2; }
.gallery-item-3 { grid-column: span 1; grid-row: span 1; }

.cursor-pointer { cursor: pointer; }
.text-decoration-underline-hover:hover {
    text-decoration: underline !important;
    text-underline-offset: 4px;
}

.hover-translate-y { transition: transform 0.3s ease; }
.hover-translate-y:hover { transform: translateY(-4px); }
.hover-opacity-90 { transition: opacity 0.3s ease; }
.hover-opacity-90:hover { opacity: 0.9; }