/* ==========================================
   全站主題系統 - CSS 變量定義
   支持 Light 和 Dark 主題切換
   ========================================== */

/* ==========================================
   Dark 主題（默認）
   ========================================== */
:root,
:root[data-theme="dark"] {
    /* ===== 背景層次 ===== */
    --bg-primary: #1A1A1A;
    /* 整體底色（深灰） - 主背景 */
    --bg-primary-gradient: linear-gradient(180deg, #1A1A1A 0%, #1A1A1A 100%);
    --bg-secondary: #1A1A1A;
    /* 介於背景與卡片之間 - Sidebar、Header */
    --bg-card: #000000;
    /* 卡片背景（純黑） */
    --bg-card-hover: #1A1A1A;
    /* Hover 輕微亮一階 */
    --bg-input: #363636;
    /* Input 背景 */
    --bg-clean: hsla(0, 0%, 0%, 0);
    /* 透明背景 */
    --bg-hover: #0A0A0A;
    /* Hover 色 */

    /* ===== 文字顏色 (Dark Theme) ===== */
    --text-primary: #FFFFFF;
    /* 主要文字 - 白色 */
    --text-primary-light: #FFFFFF;
    /* 淺色文字 (對應 Light 模式下的 text-light) - 白色 */
    --text-secondary: #D1D1D1;
    /* 次要文字 - 淺灰 */
    --text-tertiary: #AAAAAA;
    /* 第三級文字 - 中灰 */
    --text-muted: #777777;
    /* 弱化文字 - 深灰 */
    --text-inverse: #0C0C0C;
    /* 反色文字 - 深色 */
    --text-red: #ff0000;
    /* 紅色強調文字 */

    /* ===== 圖標顏色 (Dark Theme) ===== */
    --icon-primary: #6b7280;
    /* 一般圖標顏色 - 中性灰 */
    --icon-secondary: #eeeeee;
    /* 次要圖標顏色 - 淺灰 */
    --icon-white: #FFFFFF;
    /* header圖標顏色 - 白色 */
    --icon-menu: #6B7280;
    /* 弱化圖標顏色 */
    --icon-muted: #6B7280;
    /* 弱化圖標顏色 */
    --icon-star: #FBBF24;
    /* 星星圖標專用 - 黃色 */
    --icon-brand: #FF6A00;
    /* 品牌圖標顏色 - 橘色 */

    /* ===== 邊框 ===== */
    --border-primary: #2A2A2A;
    --border-secondary: #3A3A3A;
    --border-light: #444444;
    --border-bottom: #FF6A00;

    /* ===== 品牌色 ===== */
    --color-primary: #FF6A00;
    --color-primary-light: #FF8533;
    --color-primary-dark: #CC5500;
    --color-secondary: #3FA9F5;

    /* ===== 狀態色 ===== */
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-danger: #F44336;
    --color-info: #2196F3;

    /* ===== 陰影 ===== */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.6);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.55);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.6);

    --scrollbar-track: #000000;
    --scrollbar-thumb: #FF6A00;
    --scrollbar-thumb-hover: #FF8533;

    /* ===== Tooltip Colors ===== */
    --tooltip-arrow-color: #000000;

    /* ===== Always White Text (for Brand Buttons) ===== */
    --text-on-brand: #FFFFFF;
}

/* Global Scrollbar Styles - 全站滾動條樣式 */
/* Dark Mode: 黑色底 + 橘色圓頭 / Light Mode: 灰色底 + 橘色圓頭 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track) !important;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb) !important;
    border-radius: 10px;
    border: 2px solid var(--scrollbar-track);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover) !important;
}

/* Firefox scrollbar support */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* ==========================================
   Light 主題
   ========================================== */
:root[data-theme="light"] {
    /* ===== 背景顏色 (Light Theme) ===== */
    --bg-primary: #F4F5F7;
    /* 主背景：奶白灰 */
    --bg-primary-gradient: linear-gradient(180deg, #FFFFFF 0%, #F4F5F7 100%);
    --bg-secondary: #FFFFFF;
    /* Header / 浮動條 */
    --bg-tertiary: #F1F2F4;
    /* 區塊底 */
    --bg-card: #FFFFFF;
    /* 卡片白 */
    --bg-card-hover: #F9FAFB;
    /* 卡片 hover */
    --bg-hover: #EEF0F2;
    /* 共用 hover */
    --bg-input: #EEF0F2;
    /* Input 背景 */

    /* ===== 文字顏色 (Light Theme) ===== */
    --text-primary: #1F1F23;
    /* 主要文字 - 柔和黑 */
    --text-primary-light: #6b7280;
    /* 主要文字 - 柔和黑 */
    --text-primary-white: #d7d7d7;
    /* 淺色文字 - 白色 */
    --text-secondary: #4B5563;
    /* 次要文字 - 深灰 */
    --text-tertiary: #6B7280;
    /* 第三級文字 - 中灰 */
    --text-muted: #9CA3AF;
    /* 弱化文字 - 淺灰 */
    --text-inverse: #FFFFFF;
    /* 反色文字 - 白色 */
    --text-red: #ff0000;
    /* 反色文字 - 白色 */

    /* ===== 圖標顏色 (Light Theme) ===== */
    --icon-primary: #6a7083;
    /* 一般圖標顏色 - 深灰藍 */
    --icon-secondary: #9CA3AF;
    /* 次要圖標顏色 - 中灰 */
    --icon-muted: #D1D5DB;
    /* 弱化圖標顏色 - 淺灰 */
    --icon-star: #FBBF24;
    /* 星星圖標專用 - 黃色 */
    --icon-brand: #FF6A00;
    /* 品牌圖標顏色 - 橘色 */
    --icon-white: #333333;
    /* Light Mode 下的圖標設為深灰，避免 white-on-white */

    /* ===== 邊框顏色 (Light Theme) ===== */
    --border-primary: #D1D5DB;
    --border-secondary: #E5E7EB;
    --border-light: #F3F4F6;

    /* ===== 品牌顏色 (保留原配色) ===== */
    --color-primary: #FF6A00;
    --color-primary-light: #FF8533;
    --color-primary-dark: #CC5500;
    --color-secondary: #3FA9F5;

    /* ===== 狀態顏色 (保持不變) ===== */
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-danger: #F44336;
    --color-info: #2196F3;

    /* ===== 陰影 (乾淨、柔、清爽) ===== */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.10);

    --scrollbar-track: #E5E7EB;
    --scrollbar-thumb: #FF6A00;
    --scrollbar-thumb-hover: #FF8533;

    /* ===== Tooltip Colors ===== */
    --tooltip-arrow-color: #D1D5DB;

    /* ===== Always White Text (for Brand Buttons) ===== */
    --text-on-brand: #FFFFFF;
}

/* ==========================================
   全局樣式應用
   ========================================== */

/* Body */
body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

/* 背景顏色 - 卡片和容器 */
.bg-primary,
.bg-primary-hover:hover {
    color: var(--text-on-brand) !important;
}

.bg-white,
.bg-card,
.card,
.bg-darkest,
.bg-black {
    background-color: var(--bg-card) !important;
}

/* 內部區塊 - 使用主背景色創造層次 */
.bg-dark,
.bg-gray-700,
.bg-gray-800,
.bg-gray-900 {
    background-color: var(--bg-primary) !important;
}

.bg-secondary {
    background-color: var(--bg-secondary) !important;
}

.bg-gray-50,
.bg-gray-100 {
    background-color: var(--bg-tertiary) !important;
}

.bg-gray-200,
.bg-gray-300 {
    background-color: var(--bg-hover) !important;
}

/* 文字顏色 */
.text-light,
.text-white {
    color: var(--text-primary-light) !important;
}

.text-white02 {
    color: var(--text-primary-white) !important;
}

.text-dark,
.text-gray-900,
.text-gray-800,
.text-gray-700 {
    color: var(--text-primary) !important;
}

.text-gray-100,
.text-gray-200,
.text-gray-300,
.text-gray-400 {
    color: var(--text-secondary) !important;
}

.text-gray-500,
.text-gray-600 {
    color: var(--text-tertiary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* 標題 */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary) !important;
}

/* 邊框 */
.border,
.border-white,
.border-gray-100,
.border-gray-200,
.border-gray-300,
.border-gray-400,
.border-gray-700,
.border-gray-800,
.border-gray-900,
.border-gray-600,
.border-border-color {
    border-color: var(--border-primary) !important;
}

.border-t,
.border-b,
.border-l,
.border-r {
    border-color: var(--border-primary) !important;
}

/* 按鈕 */
button:not(.bg-primary):not([class*="bg-primary"]):not(.bg-card-bg),
.btn-secondary {
    background-color: var(--bg-clean) !important;
    color: var(--text-primary) !important;
}

/* Ghost Button (Transparent) */
.btn-ghost {
    background-color: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted) !important;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--color-primary) !important;
}

/* 下拉選單 */
.dropdown,
.dropdown-menu {
    background-color: var(--bg-card) !important;
    border-color: var(--border-primary) !important;
}

.dropdown-item:hover {
    background-color: var(--bg-hover) !important;
}

/* ==========================================
   圖標顏色應用 - 使用新的 icon 變量
   ========================================== */

/* 一般圖標 - 排除特殊圖標 */
.icon,
i:not(.social-icon):not(.text-primary):not(.text-yellow-400):not(.text-yellow-500):not(.text-warning):not([class*="text-yellow"]):not([class*="fa-sun"]):not([class*="fa-moon"]):not([class*="fa-star"])
{
    color: var(--icon-white) !important;
}

/* 閃閃發光星標 - 使用專屬變量 */
i.fa-star:not(.icon-neutral),
i.fa-star-half-alt:not(.icon-neutral),
i.fa-star-half:not(.icon-neutral),
.text-yellow-400,
.text-yellow-500,
.text-warning i.fa-star,
.text-warning .fa-star {
    color: var(--icon-star) !important;
}

/* 用於需要隨主題變色的星號 (如側邊欄選單) */
i.icon-neutral {
    color: inherit !important;
}

/* 品牌色圖標 */
i.text-primary,
.icon-brand {
    color: var(--icon-brand) !important;
}

/* Section 和 Div */
section,
div.border {
    border-color: var(--border-primary) !important;
}

section.bg-white {
    background-color: var(--bg-card) !important;
}

/* Scrollbar */
::-webkit-scrollbar-track {
    background: var(--scrollbar-track) !important;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb) !important;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover) !important;
}

/* 陰影 */
.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* 鏈接 */
a:not(.bg-primary):not([class*="bg-"]) {
    color: var(--color-primary-light);
}

a:not(.bg-primary):not([class*="bg-"]):hover {
    color: var(--color-primary);
}

/* 狀態顏色保持不變 */
/* 狀態顏色 - 分開定義以免 text class 影響 background */
.text-success {
    color: var(--color-success) !important;
}

.bg-success {
    background-color: var(--color-success) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
}

.text-danger {
    color: var(--color-danger) !important;
}

.bg-danger {
    background-color: var(--color-danger) !important;
}

/* 品牌色 */
.text-primary {
    color: var(--color-primary) !important;
}

.border-primary {
    border-color: var(--color-primary) !important;
}

/* 過渡效果 */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* 
   強制將橘色按鈕(bg-primary)的文字改為黑色 (User Request) 
   Override text-white/text-light utilities for primary buttons 
*/
button.bg-primary,
a.bg-primary,
.badge.bg-primary,
div.bg-primary[role="button"] {
    color: #000000 !important;
}

/* Ensure hover states also keep black text if needed, or allow change */
button.bg-primary:hover,
a.bg-primary:hover {
    color: #000000 !important;
}

/* ==========================================
   Header and Dropdown Styling for Theme Switching
   ========================================== */

/* Dropdown Menu Background - Dark Theme */
:root,
:root[data-theme="dark"] {
    --dropdown-bg: #000000;
    /* Pure black */
    --dropdown-item-hover: #1A1A1A;
    --dropdown-text: #D1D5DB;
    --dropdown-text-hover: #FFFFFF;
    --header-bg: rgba(0, 0, 0, 0.9);
    --backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    /* #000000 at 90% opacity (10% transparency) */
}

/* Dropdown Menu Background - Light Theme */
:root[data-theme="light"] {
    --dropdown-bg: #FFFFFF;
    /* Pure white */
    --dropdown-item-hover: #F3F4F6;
    --dropdown-text: #374151;
    --dropdown-text-hover: #111827;
    --header-bg: #ffffffde;
    --backdrop-filter: blur(20px);
    --webkit-backdrop-filter: blur(20px);
    /* #ffffff at ~87% opacity */
}

/* Apply Dropdown Styling */
.dropdown-menu-bg {
    background-color: var(--dropdown-bg) !important;
}

/* Apply Header Background */
#mainHeader {
    background-color: var(--header-bg) !important;
    backdrop-filter: var(--backdrop-filter) !important;
    -webkit-backdrop-filter: var(--webkit-backdrop-filter) !important;
}

/* Dropdown Menu Items */
.dropdown-menu-bg a {
    color: var(--dropdown-text) !important;
}

.dropdown-menu-bg a:hover {
    background-color: var(--dropdown-item-hover) !important;
    color: var(--dropdown-text-hover) !important;
}

/* ==========================================
   Tooltip Styles for Icon Buttons
   ========================================== */

/* Tooltip container - position relative for absolute children */
.tooltip-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Tooltip text - hidden by default */
.tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 6px 12px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.75rem;
    white-space: nowrap;
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    z-index: 1000;
}

/* Show tooltip on hover */
.tooltip-trigger:hover .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* Tooltip arrow (optional) */
.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--tooltip-arrow-color);
}

/* Icon button styles */
.btn-icon {
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease, background-color 0.2s ease;
    border-radius: 6px;
}

.btn-icon:hover {
    color: var(--color-primary);
    background-color: var(--bg-hover);
}

/* ==========================================
   Form Input Styles - Unified for all pages
   ========================================== */

/* Input field styles - applies to both .input-field and .form-input */
.input-field,
.form-input,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="time"],
select,
textarea {
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-primary) !important;
    border-radius: 0.5rem;
    padding: -0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary) !important;
    transition: all 0.2s ease;
}

.input-field:focus,
.form-input:focus,
input:focus,
select:focus,
textarea:focus {
    outline: none !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 2px rgba(255, 106, 0, 0.1) !important;
}

/* Form label */
.form-label {
    display: block;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Error message */
.error-message {
    color: var(--color-danger);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* ==========================================
   Light Mode Overrides for Form Visibility
   ========================================== */
:root[data-theme="light"] .form-label,
:root[data-theme="light"] label.form-label,
:root[data-theme="light"] .text-gray-400,
:root[data-theme="light"] .text-gray-300,
:root[data-theme="light"] .text-gray-500,
:root[data-theme="light"] p.text-gray-400,
:root[data-theme="light"] p.text-xs,
:root[data-theme="light"] span.text-sm {
    color: var(--text-secondary) !important;
}

/* For Tab buttons in Light Mode */
:root[data-theme="light"] button[id^="tab-"]:not(.bg-primary) {
    color: var(--text-primary) !important;
}
:root[data-theme="light"] button[id^="tab-"]:not(.bg-primary) i {
    color: var(--icon-primary) !important;
}
:root[data-theme="light"] button[id^="tab-"]:not(.bg-primary):hover {
    background-color: var(--bg-hover) !important;
}

/* ==========================================
   Sidebar Styles - Theme Adaptive
   ========================================== */

/* Sidebar container */
#sidebar {
    background-color: var(--bg-secondary);
    transition: width 0.3s ease, transform 0.3s ease;
}

/* Sidebar collapsed state */
#sidebar.collapsed {
    width: 80px !important;
}

#sidebar.collapsed .sidebar-item-text,
#sidebar.collapsed #sidebarTitle,
#sidebar.collapsed #sidebarMenuLabel {
    opacity: 0;
    width: 0;
    overflow: hidden;
    white-space: nowrap;
}

#sidebar.collapsed .sidebar-item {
    justify-content: center;
    padding-left: 1rem;
    padding-right: 1rem;
}

#sidebar.collapsed #sidebarCollapseIcon {
    transform: rotate(180deg);
}

/* Sidebar items */
.sidebar-item {
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    position: relative;
}

.sidebar-item:hover {
    background-color: rgba(255, 106, 0, 0.1) !important;
    color: var(--color-primary) !important;
}

.sidebar-item:hover .sidebar-item-icon {
    color: var(--color-primary) !important;
}

.sidebar-item:hover .sidebar-item-text {
    color: var(--color-primary) !important;
}


/* Active/Selected state - Orange rounded button with white text */
.sidebar-item.active,
.sidebar-item[aria-current="page"] {
    background-color: #FF6A00 !important;
    color: #FFFFFF !important;
    font-weight: 600;
    border-radius: 0.5rem;
}

.sidebar-item.active .sidebar-item-icon,
.sidebar-item[aria-current="page"] .sidebar-item-icon {
    color: #FFFFFF !important;
}

.sidebar-item.active .sidebar-item-text,
.sidebar-item[aria-current="page"] .sidebar-item-text {
    color: #FFFFFF !important;
}


/* Sidebar text */
.sidebar-item-text {
    transition: opacity 0.3s ease, width 0.3s ease, color 0.2s ease;
    color: var(--text-secondary);
}

/* Sidebar icon */
.sidebar-item-icon {
    transition: color 0.2s ease;
    color: var(--icon-primary);
}

/* Sidebar title and labels */
#sidebarTitle,
#sidebarMenuLabel {
    color: var(--text-primary);
    transition: opacity 0.3s ease;
}

/* Collapse button */
#collapseSidebar {
    transition: background-color 0.2s ease;
}

#collapseSidebar:hover {
    background-color: var(--bg-hover);
}

#sidebarCollapseIcon {
    transition: transform 0.3s ease, color 0.2s ease;
    color: var(--text-muted);
}

/* Main content area adjustment when sidebar collapses */
#mainContent {
    transition: margin-left 0.3s ease, width 0.3s ease;
}

body:has(#sidebar.collapsed) #mainContent {
    margin-left: 0;
}

/* ==========================================
   Tab Styles - Theme Adaptive
   ========================================== */

/* Base tab button styles */
.event-tab-active,
.event-tab-inactive,
.tab-active,
.tab-inactive,
button[data-tab],
.tab-button {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    background: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    border-bottom: 2px solid transparent;
}

/* Inactive tab state */
.event-tab-inactive,
.tab-inactive,
button[data-tab]:not(.event-tab-active):not(.tab-active),
.tab-button:not(.active) {
    color: var(--text-secondary);
    border-bottom-color: transparent;
}

/* Hover state - ONLY orange text, NO underline */
.event-tab-inactive:hover,
.tab-inactive:hover,
button[data-tab]:not(.event-tab-active):not(.tab-active):hover,
.tab-button:not(.active):hover {
    color: #FF6A00 !important;
    border-bottom-color: transparent !important;
}

/* Active tab hover - keep orange text and underline */
.event-tab-active:hover,
.tab-active:hover {
    color: #FF6A00 !important;
}

/* Active tab state - orange text + orange underline */
.event-tab-active,
.tab-active,
button[data-tab].event-tab-active,
button[data-tab].tab-active,
.tab-button.active {
    color: #000000 !important;
    border-bottom: 2px solid #FF6A00 !important;
    font-weight: 600;
}


/* ==========================================
   Form Navigation Items (e.g., Create Event Form)
   ========================================== */

/* Base form nav item styles */
.form-nav-item {
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: 0.5rem;
    border: none !important;
    /* Remove all borders */
}

/* Inactive state with hover effect */
.form-nav-item:not([class*="bg-primary"]) {
    color: var(--text-secondary);
}

.form-nav-item:not([class*="bg-primary"]):hover {
    background-color: var(--bg-hover) !important;
    color: var(--text-primary);
}

/* Active state - Orange background with WHITE BOLD text */
.form-nav-item.bg-primary,
.form-nav-item[class*="bg-primary"] {
    background-color: #FF6A00 !important;
    color: #FFFFFF !important;
    /* Ensure white text */
    font-weight: 600 !important;
    /* Ensure bold */
    border: none !important;
    /* No border */
}

/* Ensure icon is also white in active state */
.form-nav-item.bg-primary i,
.form-nav-item[class*="bg-primary"] i {
    color: #FFFFFF !important;
}

/* ==========================================
   Card Background - Pure White/Black
   ========================================== */

/* Ensure bg-card-bg uses pure colors */
.bg-card-bg {
    background-color: var(--bg-card) !important;
}

/* ==========================================
   Checkbox and Radio Button Styling
   ========================================== */

/* Base checkbox and radio styles */
input[type="checkbox"],
input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid #6B7280;
    /* Gray border for unchecked state */
    background-color: transparent;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

/* Checkbox specific - rounded corners */
input[type="checkbox"] {
    border-radius: 0.25rem;
}

/* Radio specific - circular */
input[type="radio"] {
    border-radius: 50%;
}

/* Hover state - lighter gray */
input[type="checkbox"]:hover:not(:checked),
input[type="radio"]:hover:not(:checked) {
    border-color: #9CA3AF;
}

/* Checked state - orange background */
input[type="checkbox"]:checked,
input[type="radio"]:checked {
    background-color: #FF6A00 !important;
    border-color: #FF6A00 !important;
}

/* Checkbox checkmark */
input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 0.25rem;
    height: 0.5rem;
    border: solid #FFFFFF;
    border-width: 0 2px 2px 0;
}

/* Radio dot */
input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background-color: #FFFFFF;
}

/* Focus state - orange ring */
input[type="checkbox"]:focus,
input[type="radio"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.2);
}

/* Disabled state */
input[type="checkbox"]:disabled,
input[type="radio"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Override any conflicting Tailwind or custom classes */
input[type="checkbox"].text-primary,
input[type="radio"].text-primary {
    accent-color: #FF6A00;
}

/* Specific override for accent-orange class */
input[type="checkbox"].accent-orange,
input[type="radio"].accent-orange {
    accent-color: #FF6A00;
}

/* Handle larger checkboxes (h-5 w-5) */
input[type="checkbox"].h-5,
input[type="checkbox"].w-5,
input[type="radio"].h-5,
input[type="radio"].w-5 {
    width: 1.25rem;
    height: 1.25rem;
}

/* ==========================================
   Delete Button - Red Color
   ========================================== */

/* Delete button icon should be red */
.btn-icon .fa-trash-alt.text-danger,
.btn-icon i.fa-trash-alt.text-danger {
    color: var(--color-danger) !important;
}

/* Delete button hover state */
.btn-icon:hover .fa-trash-alt.text-danger,
.btn-icon:hover i.fa-trash-alt.text-danger {
    color: #D32F2F !important;
    /* Darker red on hover */
}

/* ==========================================
   Orange Button with White Text (Create Event Button)
   ========================================== */

/* Base orange button style */
.btn-create-event,
.btn-orange {
    background-color: #FF6A00 !important;
    color: #FFFFFF !important;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Hover state - lighter orange */
.btn-create-event:hover,
.btn-orange:hover {
    background-color: #FF8533 !important;
    color: #FFFFFF !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
}

/* Active/pressed state */
.btn-create-event:active,
.btn-orange:active {
    background-color: #CC5500 !important;
    transform: translateY(0);
}

/* Ensure icon inside orange button is white */
.btn-create-event i,
.btn-orange i {
    color: #FFFFFF !important;
}

/* Focus state */
.btn-create-event:focus,
.btn-orange:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.3);
}

/* Disabled state */
.btn-create-event:disabled,
.btn-orange:disabled {
    background-color: #CCCCCC !important;
    color: #666666 !important;
    cursor: not-allowed;
    opacity: 0.6;
}

/* ==========================================
   Apply Expert Page Styles
   ========================================== */

/* Orange Scrollbar */
.scrollbar-orange::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.scrollbar-orange::-webkit-scrollbar-track {
    background: var(--bg-card);
    border-radius: 10px;
}

.scrollbar-orange::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: 10px;
}

/* Progress Step Indicators */
.step-active {
    border-color: var(--color-primary) !important;
    color: var(--color-primary) !important;
}

.step-completed {
    border-color: var(--color-primary) !important;
    background-color: var(--color-primary) !important;
    color: #FFFFFF !important;
}

.step-pending {
    border-color: #666666 !important;
    color: #666666 !important;
}

/* Form Input Fields */
.input-field {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Upload Box */
.upload-box {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-box:hover {
    border-color: var(--color-primary);
}

.upload-box-active {
    border-color: var(--color-primary) !important;
    background-color: var(--bg-card);
    opacity: 0.5;
}

/* Form Label */
.form-label {
    display: block;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Error Message */
.error-message {
    color: var(--color-danger);
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* Upload Success State */
.upload-success {
    border-color: #10B981 !important;
}

/* ==========================================
   Apply Expert Page - Semantic Classes
   ========================================== */

/* Page Background */
.apply-expert-page {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Main Card Container */
.apply-expert-card {
    background-color: var(--bg-card);
    border-radius: 1rem;
}

/* Section Borders */
.apply-expert-border {
    border-color: var(--border-color);
}

/* Content Background (for scrollable areas, info boxes) */
.apply-expert-content-bg {
    background-color: var(--bg-card);
    opacity: 0.5;
}

/* Progress Bar Background */
.apply-expert-progress-bg {
    background-color: var(--border-color);
}

/* Overlay Background */
.apply-expert-overlay {
    background-color: var(--bg-primary);
    opacity: 0.7;
}

/* ==========================================
   Dropdown Hover Effects
   ========================================== */

/* Dropdown item hover - theme aware */
.dropdown-item-hover:hover {
    background-color: var(--bg-card-hover) !important;
}

/* ==========================================
   Primary Action Button - Shared Style
   ========================================== */

/* Primary action button (Create Event, New Message, etc.) */
.btn-primary-action {
    background-color: #FF6A00 !important;
    color: #FFFFFF !important;
    border: none;
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary-action:hover {
    background-color: #FF8533 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
}

.btn-primary-action:active {
    background-color: #CC5500 !important;
    transform: translateY(0);
}

.btn-primary-action:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.3);
}

.btn-primary-action:disabled {
    background-color: #CCCCCC !important;
    color: #666666 !important;
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-primary-action i {
    color: #FFFFFF !important;
}

/* ==========================================
   Event Status Tab Colors
   ========================================== */

/* Draft - Gray (未發布草稿) */
button[data-tab="draft"].event-tab-active {
    color: #9CA3AF !important;
    border-bottom-color: #9CA3AF !important;
}

/* Scheduled - Blue (已排程) */
button[data-tab="scheduled"].event-tab-active {
    color: var(--color-info) !important;
    border-bottom-color: var(--color-info) !important;
}

/* Published - Green (已發布) */
button[data-tab="published"].event-tab-active {
    color: var(--color-success) !important;
    border-bottom-color: var(--color-success) !important;
}

/* Ongoing - Orange (進行中) */
button[data-tab="ongoing"].event-tab-active {
    color: var(--color-primary) !important;
    border-bottom-color: var(--color-primary) !important;
}

/* Completed - Purple (已完成) */
button[data-tab="completed"].event-tab-active {
    color: #9333EA !important;
    border-bottom-color: #9333EA !important;
}

/* Cancelled - Red (已取消) */
button[data-tab="cancelled"].event-tab-active {
    color: var(--color-danger) !important;
    border-bottom-color: var(--color-danger) !important;
}

/* All - Orange (default) */
button[data-tab="all"].event-tab-active {
    color: var(--color-primary) !important;
    border-bottom-color: var(--color-primary) !important;
}

/* ==========================================
   Toggle Switch Styles (Tailwind Peer Pattern)
   ========================================== */

/* Toggle switch using peer pattern - checked state */
.peer:checked~div[class*="bg-"] {
    background-color: #FF6A00 !important;
}

/* Toggle switch slider movement */
.peer:checked~div>div[class*="translate"] {
    transform: translateX(100%);
}

/* Standard toggle switch pattern */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: #6B7280;
    border-radius: 12px;
    transition: background-color 0.3s ease;
    cursor: pointer;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: #FFFFFF;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

input[type="checkbox"]:checked+.toggle-switch {
    background-color: #FF6A00;
}

input[type="checkbox"]:checked+.toggle-switch::after {
    transform: translateX(20px);
}

/* ==========================================
   Enhanced Checkbox Styles
   ========================================== */

/* Ensure checkboxes not using sr-only display correctly */
input[type="checkbox"]:not(.sr-only) {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid #6B7280;
    background-color: transparent;
    border-radius: 0.25rem;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

input[type="checkbox"]:not(.sr-only):hover:not(:checked) {
    border-color: #9CA3AF;
}

input[type="checkbox"]:not(.sr-only):checked {
    background-color: #FF6A00 !important;
    border-color: #FF6A00 !important;
}

input[type="checkbox"]:not(.sr-only):checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 0.3rem;
    height: 0.6rem;
    border: solid #FFFFFF;
    border-width: 0 2px 2px 0;
    display: block;
}

input[type="checkbox"]:not(.sr-only):focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.2);
}

/* ==========================================
   Select Dropdown Styles
   ========================================== */

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FF6A00' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem !important;
}

select:focus {
    outline: none !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 2px rgba(255, 106, 0, 0.1) !important;
}

select option {
    background-color: var(--bg-input);
    color: var(--text-primary);
    padding: 0.5rem;
}

select option:checked,
select option:hover {
    background-color: #FF6A00;
    color: #FFFFFF;
}

/* Light theme select options */
:root[data-theme="light"] select option {
    background-color: #FFFFFF;
    color: #000000;
}

:root[data-theme="light"] select option:checked,
:root[data-theme="light"] select option:hover {
    background-color: #FF6A00;
    color: #FFFFFF;
}

/* ==========================================
   Peer Checkbox/Radio Pattern Support
   ========================================== */

/* Peer checked state for custom checkboxes and radios */
.peer:checked~.peer-checked\:bg-primary,
.peer:checked~div.peer-checked\:bg-primary {
    background-color: #FF6A00 !important;
}

.peer:checked~.peer-checked\:border-primary,
.peer:checked~div.peer-checked\:border-primary {
    border-color: #FF6A00 !important;
}

.peer:checked~.peer-checked\:scale-60,
.peer:checked~div .peer-checked\:scale-60 {
    transform: scale(0.6);
}

.peer:checked~.peer-checked\:scale-100,
.peer:checked~div .peer-checked\:scale-100 {
    transform: scale(1);
}

/* Peer focus state */
.peer:focus~div {
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.2);
}

/* Support for nested peer patterns (common in custom checkboxes) */
.peer:checked~div[class*="border"] {
    border-color: #FF6A00 !important;
}

.peer:checked~div[class*="bg-primary"] {
    background-color: #FF6A00 !important;
}

/* Checkmark visibility in peer pattern */
.peer:not(:checked)~div .fa-check,
.peer:not(:checked)~div i[class*="check"] {
    opacity: 0;
    transform: scale(0);
}

.peer:checked~div .fa-check,
.peer:checked~div i[class*="check"] {
    opacity: 1;
    transform: scale(1);
}

/* Radio button dot in peer pattern */
.peer:checked~div .peer-checked\:scale-60 {
    transform: scale(0.6) !important;
}