/*------------------------------------*\
  #COMMON VARIABLES (light/dark agnostic)
\*------------------------------------*/
:root {
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;

    /* Border radius - using Bootstrap values */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;

    /* Custom button colors */
    --btn-primary-bg: #4a6da7;
    --btn-primary-text: #ffffff;
    --btn-primary-border: #4a6da7;
    --btn-primary-hover-bg: #3a5a8a;

    --btn-secondary-bg: #f0f0f0;
    --btn-secondary-text: #333333;
    --btn-secondary-border: #d0d0d0;
    --btn-secondary-hover-bg: #e0e0e0;

    --btn-outline-bg: transparent;
    --btn-outline-text: #4a6da7;
    --btn-outline-border: #c0c0c0;
    --btn-outline-hover-bg: rgba(0, 0, 0, 0.05);

    --btn-danger-bg: #dc3545;
    --btn-danger-text: #ffffff;

    /* Add consistent focus styles for accessibility */
    --focus-ring-color: rgba(74, 109, 167, 0.45);
}

[data-bs-theme="dark"] {
    --btn-primary-bg: #5d82c1;
    --btn-primary-text: #ffffff;
    --btn-primary-border: #5d82c1;
    --btn-primary-hover-bg: #6e93d2;

    --btn-secondary-bg: #2d2d2d;
    --btn-secondary-text: #e0e0e0;
    --btn-secondary-border: #3d3d3d;
    --btn-secondary-hover-bg: #3d3d3d;

    --btn-outline-bg: transparent;
    --btn-outline-text: #5d82c1;
    --btn-outline-border: #4a4a4a;
    --btn-outline-hover-bg: rgba(255, 255, 255, 0.1);
}

/* Add a consistent focus style for better accessibility */
button:focus,
a:focus,
.btn:focus,
.form-control:focus,
.color-item:focus-visible {
    box-shadow: 0 0 0 3px var(--focus-ring-color);
    outline: none;
}

/*------------------------------------*\
  #MATCHING COLORS STYLES
\*------------------------------------*/
.matching-color-container {
    width: 45%;
    text-align: center;
}

.matching-color-box {
    height: 75px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--bs-border-color);
    transition: var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.matching-color-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.12);
}

.matching-color-box::after {
    content: 'Click to select';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 0.7rem;
    padding: 2px 0;
    opacity: 0;
    transition: var(--transition-fast);
}

.matching-color-box:hover::after {
    opacity: 1;
}

/*------------------------------------*\
  #BASE STYLES
\*------------------------------------*/
body {
    transition: var(--transition-normal);
}

.header-logo {
    height: 32px;
    width: auto;
    margin-left: 20px;
}

/* Preview box styling */
.preview-box {
    height: 120px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--bs-border-color);
    transition: var(--transition-fast);
}

/* Color item styles */
.color-item {
    aspect-ratio: 1;
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    animation: fadeIn 0.3s ease forwards;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.color-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Japanese text inside color swatches */
.japanese-text {
    font-size: 2rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition-fast);
    opacity: 0.8;
}

.color-item:hover .japanese-text {
    transform: scale(1.1);
}

/* Selected color styles */
.color-item.selected {
    transform: translateY(-3px);
    position: relative;
}

[data-bs-theme="dark"] .color-item.selected {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.color-item.selected::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 1;
}

/* Color name tooltip */
.color-name {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 3px;
    font-size: 0.75rem;
    background-color: rgba(255, 255, 255, 0.8);
    border-bottom-left-radius: var(--border-radius-sm);
    border-bottom-right-radius: var(--border-radius-sm);
    opacity: 0;
    transition: var(--transition-fast);
}

[data-bs-theme="dark"] .color-name {
    background-color: rgba(42, 42, 42, 0.85);
    color: #e4e6eb;
}

.color-item:hover .color-name {
    opacity: 1;
}

/* Contrast section styling */
.contrast-result {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.contrast-label {
    width: 110px;
    font-size: 0.9rem;
}

/* Make hex clickable */
#color-hex {
    cursor: pointer;
}

/* Fix accessibility in dark mode for colored text */
[data-bs-theme="dark"] .text-primary,
[data-bs-theme="dark"] #harmonious-name,
[data-bs-theme="dark"] #complementary-name {
    color: #90caf9 !important;
}

/* Sticky preview panel */
@media (min-width: 768px) {
    .sticky-preview {
        position: sticky;
        top: 1rem;
    }
}

/* Scroll button and credits button */
.scroll-button,
.credits-button {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    border-radius: 50%;
}

.scroll-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    opacity: 0.8;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    border-radius: 50%;
}

.scroll-button:hover {
    opacity: 1;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.scroll-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.5);
}

.credits-button {
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    border-radius: 50%;
    color: var(--btn-outline-text);
}

.credits-button:hover {
    background-color: var(--btn-outline-hover-bg);
}

[data-bs-theme="dark"] .credits-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/*------------------------------------*\
  #DARK MODE SPECIFIC STYLES
\*------------------------------------*/
/* Dark mode button styles */
[data-bs-theme="dark"] .btn-outline-dark {
    color: #f8f9fa;
    border-color: #f8f9fa;
}

[data-bs-theme="dark"] .btn-outline-dark:hover,
[data-bs-theme="dark"] .btn-outline-dark.active {
    color: #212529;
    background-color: #f8f9fa;
    border-color: #f8f9fa;
}

[data-bs-theme="dark"] .btn-outline-secondary {
    color: #e9ecef;
    border-color: #6c757d;
}

[data-bs-theme="dark"] .btn-outline-secondary:hover,
[data-bs-theme="dark"] .btn-outline-secondary.active {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

[data-bs-theme="dark"] #search-clear {
    color: #fff;
    background-color: #343a40;
    border-color: #495057;
}

[data-bs-theme="dark"] #search-clear:hover {
    background-color: #495057;
}

[data-bs-theme="dark"] .btn-outline-success {
    color: #75b798;
    border-color: #75b798;
}

[data-bs-theme="dark"] .btn-outline-success:hover,
[data-bs-theme="dark"] .btn-outline-success.active {
    color: #212529;
    background-color: #75b798;
    border-color: #75b798;
}

/*------------------------------------*\
  #BUTTON STYLES
\*------------------------------------*/
/* Primary action buttons */
.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-border);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--btn-primary-hover-bg);
    border-color: var(--btn-primary-border);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* Secondary action buttons */
.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border-color: var(--btn-secondary-border);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--btn-secondary-hover-bg);
    color: var(--btn-secondary-text);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Filter buttons (outline style) */
.btn-filter {
    background-color: var(--btn-outline-bg);
    color: var(--btn-outline-text);
    border-color: var(--btn-outline-border);
    transition: var(--transition-fast);
}

.btn-filter:hover {
    background-color: var(--btn-outline-hover-bg);
}

.btn-filter.active {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-border);
}

/* Clear/danger buttons */
.btn-clear {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border-color: var(--btn-secondary-border);
}

.btn-clear:hover {
    background-color: var(--btn-danger-bg);
    color: var(--btn-danger-text);
}

/* Color type buttons container */
#color-types {
    overflow-x: auto;
    flex-wrap: nowrap;
}

/* WCAG filter buttons */
.wcag-filter-btn {
    background-color: var(--btn-outline-bg);
    color: var(--btn-outline-text);
    border-color: var(--btn-outline-border);
}

.wcag-filter-btn.active {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.wcag-filter-btn:hover:not(.active) {
    background-color: var(--btn-outline-hover-bg);
}

/* Sample design buttons */
.design-btn {
    transition: var(--transition-fast);
}

.design-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Modern design for modal buttons */
.modal .btn {
    border-radius: var(--border-radius-md);
    padding: 0.5rem 1.25rem;
}

/* Sample design modal close button */
.design-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    z-index: 1050;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 1.25rem;
}

.design-close-btn:hover {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

/* Fix close button contrast in dark mode */
[data-bs-theme="dark"] .design-close-btn {
    background-color: #444444;
    /* Darker background for better contrast */
    color: #ffffff;
    /* White text/icon for high contrast */
    border-color: #555555;
}

[data-bs-theme="dark"] .design-close-btn:hover {
    background-color: #555555;
}

/*------------------------------------*\
  #ANIMATIONS
\*------------------------------------*/
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/*------------------------------------*\
  #RESPONSIVE ADJUSTMENTS
\*------------------------------------*/
@media (max-width: 768px) {

    /* Add space between wrapped rows */
    .d-flex.flex-wrap.align-items-center {
        row-gap: 0.75rem;
    }

    /* Adjust search field and WCAG filters */
    .input-group.me-3,
    #wcag-filters {
        margin-right: 0 !important;
        width: 100%;
        max-width: 100%;
        margin-left: 0;
    }

    #wcag-filters {
        margin-top: 0.5rem;
    }

    #wcag-filters .btn {
        flex: 1;
    }

    /* Fix color type buttons */
    #color-types {
        overflow-x: visible;
        flex-wrap: wrap;
        width: 100%;
        padding: 0.25rem 0;
    }

    #color-types .btn {
        margin: 0.25rem 0.125rem;
        border-radius: var(--border-radius-sm) !important;
    }
}

/* Improve very small screen responsive styles */
@media (max-width: 375px) {
    .matching-color-container {
        width: 100%;
        margin-bottom: 0.75rem;
    }

    .header-logo {
        height: 24px;
        margin-left: 10px;
    }

    h1.h3 {
        font-size: 1.25rem;
    }

    #color-grid .color-item {
        min-height: 60px;
    }
}

/*------------------------------------*\
  #THEME TOGGLE BUTTON
\*------------------------------------*/
.theme-toggle {
    width: 45px;
    height: 22px;
    border-radius: 15px;
    background: #e9ecef;
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
    border: 1px solid #ced4da;
    transition: var(--transition-fast);
}

.theme-toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    left: 1px;
    transition: var(--transition-fast);
}

[data-bs-theme="dark"] .theme-toggle {
    background: #1e4976;
    border-color: #0d6efd;
}

[data-bs-theme="dark"] .theme-toggle::after {
    transform: translateX(23px);
}

.theme-toggle-icon {
    position: absolute;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 4px;
    z-index: 0;
}

/* Icon visibility based on theme */
[data-bs-theme="dark"] .theme-toggle-icon .fa-sun {
    opacity: 0.5;
}

[data-bs-theme="dark"] .theme-toggle-icon .fa-moon {
    opacity: 1;
}

[data-bs-theme="light"] .theme-toggle-icon .fa-sun {
    opacity: 1;
}

[data-bs-theme="light"] .theme-toggle-icon .fa-moon {
    opacity: 0.5;
}

/*------------------------------------*\
  #SAMPLE DESIGN MODAL
\*------------------------------------*/
/* Removed duplicate .design-close-btn selector that was here */

.modal-fullscreen {
    width: 100vw;
    height: 100vh;
    margin: 0;
}

/* Hero section styles */
#design-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

#hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

/* Feature cards */
.feature-card {
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Form section styles */
#design-form .card {
    border: none;
    border-radius: var(--border-radius-lg);
}

#design-form .form-control,
#design-form .form-select {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md);
}

/* Footer social icons */
.social-icons .btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

/* Design modal buttons with hover effects */
#hero-button-primary:hover,
#form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Ensure modal is above everything else */
#designModal {
    z-index: 1060;
}