/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@700&display=swap');

/* Global Font Application */
body,
button,
input,
select,
textarea {
    font-family: 'Noto Sans KR', sans-serif;
}

/* --- Dynamic Background (Dark Mode Only) --- */
/* Optimized for performance: Static gradient only */
[data-theme="dark"] .stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    background: linear-gradient(to bottom, #020617 0%, #172554 100%);
    pointer-events: none;
}

[data-theme="dark"] .stars,
[data-theme="dark"] .nebula-glow {
    display: none;
}

/* Ensure content stays readable on dark background */
[data-theme="dark"] body {
    background-color: transparent;
    /* Let stats-container show through */
}

/* Unified Header Styles */
:root {
    /* Default values, will be overridden by JS */
    --header-height: 60px;
    --header-padding: 0 1rem;
    --header-max-width: 1200px;

    --header-bg: rgba(255, 255, 255, 0.95);
    --header-border-color: #e0e0e0;
    --header-text-color: #333;
    --btn-size: 40px;
    --btn-font-size: 1.2rem;
    --btn-hover-bg: rgba(0, 0, 0, 0.05);
    --btn-border-color: #ddd;
}

/* Global Reset for Consistency */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
}

/* Force scrollbar to prevent layout shift between pages */
html {
    overflow-y: scroll;
}

[data-theme="dark"] {
    --header-bg: rgba(15, 23, 42, 0.95);
    /* More transparent & blue-tinted dark */
    --header-border-color: #444;
    --header-text-color: #fff;
    --btn-hover-bg: rgba(255, 255, 255, 0.1);
    --btn-border-color: #555;
}

/* Unified Footer Styles */
.app-footer,
.app-footer-content,
#footer-container {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

/* --- Dark Mode Glassmorphism --- */
[data-theme="dark"] .card-item,
[data-theme="dark"] .modal-content,
[data-theme="dark"] .journey-stage-card,
[data-theme="dark"] .bonus-box,
[data-theme="dark"] .ability-box,
[data-theme="dark"] .choice-box,
[data-theme="dark"] .app-header,
[data-theme="dark"] .input-group,
[data-theme="dark"] .filter-select,
[data-theme="dark"] .search-input,
[data-theme="dark"] .event-card,
[data-theme="dark"] .choice-results,
[data-theme="dark"] .tab-btn {
    background-color: var(--header-bg) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #e0e0e0;
}

/* Ensure text remains readable inside glass containers */
[data-theme="dark"] .card-item:hover {
    background-color: rgba(50, 50, 50, 0.7) !important;
    border-color: var(--primary-color) !important;
}

/* Force parent padding/gap reset to ensure consistency */
.app-header {
    padding: 0 !important;
    gap: 0 !important;
}

.custom-header-wrapper {
    width: 100%;
    position: relative;
    z-index: 1000;
    background: transparent;
    border-bottom: none;
}

.custom-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    width: 100%;
    max-width: var(--header-max-width);
    margin: 0 auto;
    height: var(--header-height);
    padding: var(--header-padding);
    box-sizing: border-box;
}

.shared-sticky-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color, #333);
}

[data-theme="light"] .shared-sticky-header {
    border-bottom-color: #e0e0e0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.custom-header-top h1 {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--header-text-color);
    text-align: center;
    white-space: nowrap;
    pointer-events: none;
    z-index: 1;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
}

.header-btn {
    background: transparent;
    border: 1px solid var(--btn-border-color);
    color: var(--header-text-color);
    width: var(--btn-size);
    height: var(--btn-size);
    border-radius: 50%;
    cursor: pointer;
    font-size: var(--btn-font-size);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
}

.header-btn:hover {
    background-color: var(--btn-hover-bg);
    transform: scale(1.05);
    border-color: var(--primary-color, #4a90e2);
}

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

/* Mobile Optimization */
@media (max-width: 768px) {
    :root {
        --header-height: 50px;
        --btn-size: 36px;
        --btn-font-size: 1.1rem;
    }

    .custom-header-top h1 {
        font-size: 1rem;
        max-width: 50%;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* Hamburger Menu Styles */
.hamburger-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-dropdown {
    position: absolute;
    top: 120%;
    /* Slightly lower to avoid overlap */
    left: 0;
    background-color: var(--header-bg);
    /* Ensure background is set */
    border: 1px solid var(--header-border-color);
    border-radius: 8px;
    padding: 0.5rem;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 180px;
    /* Wider menu */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    /* Stronger shadow */
    backdrop-filter: blur(10px);
    z-index: 1000;
    /* High z-index */
}

.nav-dropdown.active {
    display: flex;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    /* More gap */
    padding: 0.8rem;
    /* More padding */
    text-decoration: none;
    color: var(--header-text-color);
    border-radius: 6px;
    transition: background 0.2s;
    font-size: 0.95rem;
    cursor: pointer;
    white-space: nowrap;
    /* Prevent wrapping */
}

.nav-item:hover {
    background-color: var(--btn-hover-bg);
}

.nav-item .icon {
    font-size: 1.2rem;
    width: 24px;
    /* Fixed width for alignment */
    text-align: center;
}

/* Hamburger Menu Icon Visibility */
.nav-item .icon img {
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.9)) brightness(1.4);
    margin-top: 6px;
}

/* --- Shared Level Toggle Styles --- */
.custom-level-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.3);
    padding: 4px;
    border-radius: 20px;
    gap: 4px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.level-btn {
    background: transparent;
    border: none;
    color: #888;
    padding: 6px 14px;
    border-radius: 16px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.9rem;
    transition: all 0.2s;
    line-height: 1;
}

.level-btn:hover {
    color: #ccc;
}

.level-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Light Mode Overrides for Level Toggle */
[data-theme="light"] .custom-level-toggle {
    background: #f1f3f5;
    border-color: #dee2e6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .level-btn {
    color: #adb5bd;
}

[data-theme="light"] .level-btn:hover {
    color: #495057;
}

[data-theme="light"] .level-btn.active {
    background: #ffffff;
    color: #495057;
    /* Dark Gray Text */
    border-color: #dee2e6;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}