/**
 * MBTI人格乐园 Theme System
 * Enhanced theme management with smooth transitions and extended themes
 */

/* ========================================
   BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--duration-300) var(--ease-in-out),
                color var(--duration-300) var(--ease-in-out);
}

/* ========================================
   THEME TRANSITIONS
   ======================================== */

[data-theme] {
    transition: background-color var(--duration-300) var(--ease-in-out),
                color var(--duration-300) var(--ease-in-out),
                border-color var(--duration-300) var(--ease-in-out),
                box-shadow var(--duration-300) var(--ease-in-out);
}

[data-theme] *,
[data-theme] *::before,
[data-theme] *::after {
    transition: background-color var(--duration-300) var(--ease-in-out),
                color var(--duration-300) var(--ease-in-out),
                border-color var(--duration-300) var(--ease-in-out),
                box-shadow var(--duration-300) var(--ease-in-out);
}

/* Skip transition for interactive elements */
[data-theme] button,
[data-theme] input,
[data-theme] select,
[data-theme] textarea,
[data-theme] a {
    transition: background-color var(--duration-150) var(--ease-in-out),
                color var(--duration-150) var(--ease-in-out),
                border-color var(--duration-150) var(--ease-in-out),
                box-shadow var(--duration-150) var(--ease-in-out),
                transform var(--duration-150) var(--ease-in-out);
}

/* ========================================
   THEME-TOGGLE BUTTON
   ======================================== */

.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-in-out);
}

.theme-toggle-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.theme-toggle-btn:active {
    transform: scale(0.95);
}

.theme-toggle-btn:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-200);
}

.theme-toggle-btn .theme-icon {
    font-size: 20px;
    line-height: 1;
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-neutral-300);
    border-radius: var(--radius-full);
    transition: background-color var(--duration-200) var(--ease-in-out);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-neutral-400);
}

::-webkit-scrollbar-corner {
    background-color: var(--bg-secondary);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-neutral-300) var(--bg-secondary);
}

/* ========================================
   FOCUS STYLES
   ======================================== */

:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* ========================================
   LINK STYLES
   ======================================== */

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--duration-150) var(--ease-in-out);
}

a:hover {
    color: var(--text-link-hover);
}

a:active {
    color: var(--color-primary-700);
}

/* ========================================
   SELECTION STYLES
   ======================================== */

::selection {
    background-color: var(--color-primary-200);
    color: var(--text-primary);
}

::-moz-selection {
    background-color: var(--color-primary-200);
    color: var(--text-primary);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--font-size-5xl);
    letter-spacing: var(--letter-spacing-tight);
}

h2 {
    font-size: var(--font-size-4xl);
    letter-spacing: var(--letter-spacing-tight);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--space-4);
}

small {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Text colors */
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-tertiary { color: var(--text-tertiary) !important; }
.text-inverse { color: var(--text-inverse) !important; }

/* Backgrounds */
.bg-primary { background-color: var(--bg-primary) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-tertiary { background-color: var(--bg-tertiary) !important; }

/* Gradients */
.bg-gradient-hero {
    background-image: var(--gradient-hero) !important;
}
.bg-gradient-primary {
    background-image: var(--gradient-primary) !important;
}
.bg-gradient-accent {
    background-image: var(--gradient-accent) !important;
}

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-primary { box-shadow: var(--shadow-primary) !important; }

/* Border radius */
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Spacing */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--space-1) !important; }
.m-2 { margin: var(--space-2) !important; }
.m-3 { margin: var(--space-3) !important; }
.m-4 { margin: var(--space-4) !important; }
.m-6 { margin: var(--space-6) !important; }
.m-8 { margin: var(--space-8) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--space-1) !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-6 { padding: var(--space-6) !important; }
.p-8 { padding: var(--space-8) !important; }

/* Display */
.hidden { display: none !important; }
.inline { display: inline !important; }
.inline-block { display: inline-block !important; }
.block { display: block !important; }
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.grid { display: grid !important; }

/* Flex utilities */
.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.items-center { align-items: center !important; }
.items-start { align-items: flex-start !important; }
.items-end { align-items: flex-end !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-end { justify-content: flex-end !important; }
.justify-start { justify-content: flex-start !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.gap-1 { gap: var(--space-1) !important; }
.gap-2 { gap: var(--space-2) !important; }
.gap-3 { gap: var(--space-3) !important; }
.gap-4 { gap: var(--space-4) !important; }
.gap-6 { gap: var(--space-6) !important; }
.gap-8 { gap: var(--space-8) !important; }

/* Text alignment */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* Font weights */
.font-light { font-weight: var(--font-weight-light) !important; }
.font-normal { font-weight: var(--font-weight-normal) !important; }
.font-medium { font-weight: var(--font-weight-medium) !important; }
.font-semibold { font-weight: var(--font-weight-semibold) !important; }
.font-bold { font-weight: var(--font-weight-bold) !important; }

/* Opacity */
.opacity-0 { opacity: 0 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* Transitions */
.transition-none { transition: none !important; }
.transition-all { transition: all var(--duration-300) var(--ease-in-out) !important; }
.transition-colors {
    transition: background-color var(--duration-300) var(--ease-in-out),
                color var(--duration-300) var(--ease-in-out),
                border-color var(--duration-300) var(--ease-in-out) !important;
}
.transition-transform {
    transition: transform var(--duration-300) var(--ease-in-out) !important;
}

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* Pointer events */
.pointer-events-none { pointer-events: none !important; }
.pointer-events-auto { pointer-events: auto !important; }

/* ========================================
   MBTI TYPE BADGES
   ======================================== */

.mbti-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mbti-badge.nt { background-color: var(--mbti-nt-indigo); color: white; }
.mbti-badge.nf { background-color: var(--mbti-nf-emerald); color: white; }
.mbti-badge.sj { background-color: var(--mbti-sj-slate); color: white; }
.mbti-badge.sp { background-color: var(--mbti-sp-rose); color: white; }

/* ========================================
   STATUS BADGES
   ======================================== */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--badge-font-size);
    font-weight: var(--font-weight-medium);
}

.status-badge.success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}

.status-badge.warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.status-badge.error {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
}

.status-badge.info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
}

/* ========================================
   CONTAINER
   ======================================== */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 640px) {
    .container { max-width: var(--container-sm); }
}

@media (min-width: 768px) {
    .container { max-width: var(--container-md); }
}

@media (min-width: 1024px) {
    .container { max-width: var(--container-lg); }
}

@media (min-width: 1280px) {
    .container { max-width: var(--container-xl); }
}

@media (min-width: 1536px) {
    .container { max-width: var(--container-2xl); }
}

/* ========================================
   CARD
   ======================================== */

.card {
    background-color: var(--card-bg, var(--bg-primary));
    border: 1px solid var(--card-border, var(--border-default));
    border-radius: var(--radius-lg);
    padding: var(--card-padding, var(--space-6));
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--duration-200) var(--ease-in-out),
                transform var(--duration-200) var(--ease-in-out);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-default);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    flex: 1;
}

.card-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-default);
}

/* ========================================
   SKELETON LOADING
   ======================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-secondary) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1em;
    width: 100%;
    margin-bottom: var(--space-2);
}

.skeleton-text.short { width: 60%; }
.skeleton-text.medium { width: 80%; }
.skeleton-text.long { width: 100%; }

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.skeleton-button {
    height: var(--btn-height-md);
    width: 120px;
    border-radius: var(--radius-md);
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    body {
        background-color: white;
        color: black;
    }

    .no-print {
        display: none !important;
    }

    a {
        color: black;
        text-decoration: underline;
    }
}

/* ========================================
   ACCESSIBILITY - REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}