/**
 * GMI Marketing AI Interview System - Main Stylesheet
 * m.gmi.or.kr
 * Modern Design with Antigravity Effects
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-bg: #eff6ff;

    /* Secondary Colors */
    --secondary-color: #7c3aed;
    --secondary-dark: #6d28d9;
    --secondary-light: #8b5cf6;

    /* Accent Colors */
    --accent-color: #06b6d4;
    --accent-dark: #0891b2;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    /* Neutral Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #374151 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.3);

    /* Typography */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ========================================
   PWA Native App Styles
   ======================================== */

/* PWA 모드에서 네이티브 앱처럼 동작 */
@media (display-mode: standalone) {
    /* 오버스크롤 바운스 방지 */
    html, body {
        overscroll-behavior: none;
        overscroll-behavior-y: none;
        -webkit-overflow-scrolling: touch;
    }

    /* 텍스트 선택 방지 (입력 필드 제외) */
    body:not(input):not(textarea):not([contenteditable="true"]) {
        -webkit-user-select: none;
        user-select: none;
    }

    /* 입력 필드는 선택 가능 */
    input, textarea, [contenteditable="true"] {
        -webkit-user-select: text;
        user-select: text;
    }

    /* 길게 누르기 컨텍스트 메뉴 방지 */
    * {
        -webkit-touch-callout: none;
    }

    /* 링크/이미지는 허용 */
    a, img {
        -webkit-touch-callout: default;
    }

    /* 탭 하이라이트 제거 */
    * {
        -webkit-tap-highlight-color: transparent;
    }

    /* Pull-to-refresh 방지 */
    body {
        overscroll-behavior-y: contain;
    }

    /* 부드러운 터치 스크롤 */
    .scrollable {
        -webkit-overflow-scrolling: touch;
        overflow-y: auto;
    }
}

/* 모바일에서도 앱 같은 느낌 */
@media (max-width: 768px) {
    /* 오버스크롤 방지 */
    html {
        overscroll-behavior: none;
    }

    /* 탭 하이라이트 제거 */
    * {
        -webkit-tap-highlight-color: transparent;
    }

    /* 더블탭 줌 방지 */
    * {
        touch-action: manipulation;
    }
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* ========================================
   Layout Components
   ======================================== */
.gmi-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.gmi-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.gmi-main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* ========================================
   Header
   ======================================== */
.gmi-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.gmi-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.gmi-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.gmi-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.gmi-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.gmi-nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.gmi-nav-link:hover,
.gmi-nav-link.active {
    color: var(--primary-color);
    background: var(--primary-bg);
}

/* ========================================
   Cards
   ======================================== */
.gmi-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.gmi-card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gmi-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.gmi-card-body {
    padding: var(--spacing-lg);
}

.gmi-card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

/* ========================================
   Buttons
   ======================================== */
.gmi-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.gmi-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.gmi-btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.gmi-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.gmi-btn-secondary {
    background: var(--bg-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.gmi-btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

.gmi-btn-success {
    background: var(--success-color);
    color: white;
}

.gmi-btn-danger {
    background: var(--danger-color);
    color: white;
}

.gmi-btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.gmi-btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.gmi-btn-block {
    width: 100%;
}

/* ========================================
   Forms
   ======================================== */
.gmi-form-group {
    margin-bottom: var(--spacing-lg);
}

.gmi-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.gmi-label-required::after {
    content: ' *';
    color: var(--danger-color);
}

.gmi-input,
.gmi-textarea,
.gmi-select {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-white);
    transition: all var(--transition-fast);
}

.gmi-input:focus,
.gmi-textarea:focus,
.gmi-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.gmi-input::placeholder,
.gmi-textarea::placeholder {
    color: var(--text-muted);
}

.gmi-textarea {
    min-height: 120px;
    resize: vertical;
}

.gmi-input-error {
    border-color: var(--danger-color);
}

.gmi-error-message {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ========================================
   File Upload - Drag & Drop
   ======================================== */
.gmi-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--bg-light);
}

.gmi-dropzone:hover,
.gmi-dropzone.dragging {
    border-color: var(--primary-color);
    background: var(--primary-bg);
}

.gmi-dropzone-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.gmi-dropzone-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.gmi-dropzone-hint {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.gmi-file-list {
    margin-top: var(--spacing-lg);
}

.gmi-file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
}

.gmi-file-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.gmi-file-info {
    flex: 1;
    min-width: 0;
}

.gmi-file-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gmi-file-size {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.gmi-file-remove {
    color: var(--danger-color);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.gmi-file-remove:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ========================================
   Chat Interface
   ======================================== */
.gmi-chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    min-height: 500px;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.gmi-chat-header {
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.gmi-chat-avatar {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.gmi-chat-info h3 {
    color: white;
    margin-bottom: 2px;
}

.gmi-chat-status {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.gmi-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.gmi-chat-message {
    display: flex;
    gap: var(--spacing-md);
    max-width: 85%;
    animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gmi-chat-message.user {
    margin-left: auto;
    flex-direction: row-reverse;
}

.gmi-chat-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}

.gmi-chat-message.ai .gmi-chat-message-avatar {
    background: var(--gradient-primary);
    color: white;
}

.gmi-chat-message.user .gmi-chat-message-avatar {
    background: var(--secondary-color);
    color: white;
}

.gmi-chat-message-content {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    line-height: 1.5;
}

.gmi-chat-message.ai .gmi-chat-message-content {
    background: var(--bg-light);
    border-bottom-left-radius: var(--radius-sm);
}

.gmi-chat-message.user .gmi-chat-message-content {
    background: var(--gradient-primary);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.gmi-chat-input-container {
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.gmi-chat-input-wrapper {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.gmi-chat-input {
    flex: 1;
    min-height: 48px;
    max-height: 120px;
    resize: none;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

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

.gmi-chat-send {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.gmi-chat-send:hover {
    transform: scale(1.1);
}

.gmi-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Typing Indicator */
.gmi-typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md);
}

.gmi-typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite;
}

.gmi-typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.gmi-typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}

/* ========================================
   Progress Bar
   ======================================== */
.gmi-progress {
    height: 8px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.gmi-progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.gmi-progress-steps {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
}

.gmi-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.gmi-progress-step-indicator {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: var(--bg-white);
    transition: all var(--transition-base);
}

.gmi-progress-step.active .gmi-progress-step-indicator {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.gmi-progress-step.completed .gmi-progress-step-indicator {
    border-color: var(--success-color);
    background: var(--success-color);
    color: white;
}

.gmi-progress-step-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: center;
}

.gmi-progress-step.active .gmi-progress-step-label {
    color: var(--primary-color);
    font-weight: 600;
}

/* ========================================
   Admin Dashboard
   ======================================== */
.gmi-admin-layout {
    display: flex;
    min-height: 100vh;
}

.gmi-sidebar {
    width: 280px;
    background: var(--gradient-dark);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.gmi-sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
}

.gmi-sidebar-logo h2 {
    color: white;
    font-size: var(--font-size-lg);
}

.gmi-sidebar-nav {
    flex: 1;
}

.gmi-sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.gmi-sidebar-link:hover,
.gmi-sidebar-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.gmi-sidebar-link.active {
    background: var(--primary-color);
}

.gmi-admin-content {
    flex: 1;
    background: var(--bg-light);
    overflow-x: hidden;
}

.gmi-admin-header {
    background: var(--bg-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gmi-admin-main {
    padding: var(--spacing-xl);
}

/* Stats Cards */
.gmi-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.gmi-stat-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.gmi-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.gmi-stat-icon.blue {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.gmi-stat-icon.green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.gmi-stat-icon.purple {
    background: rgba(124, 58, 237, 0.1);
    color: var(--secondary-color);
}

.gmi-stat-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.gmi-stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
}

.gmi-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ========================================
   Table
   ======================================== */
.gmi-table-wrapper {
    overflow-x: auto;
}

.gmi-table {
    width: 100%;
    border-collapse: collapse;
}

.gmi-table th,
.gmi-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.gmi-table th {
    background: var(--bg-light);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gmi-table tr:hover td {
    background: var(--bg-light);
}

/* Status Badges */
.gmi-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.gmi-badge-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.gmi-badge-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.gmi-badge-in-progress {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.gmi-badge-completed {
    background: rgba(124, 58, 237, 0.1);
    color: var(--secondary-color);
}

/* ========================================
   Login Page
   ======================================== */
.gmi-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    padding: var(--spacing-lg);
}

.gmi-login-container {
    width: 100%;
    max-width: 420px;
}

.gmi-login-card {
    background: var(--bg-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.gmi-login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.gmi-login-logo {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 32px;
    color: white;
}

.gmi-login-title {
    margin-bottom: var(--spacing-sm);
}

.gmi-login-subtitle {
    color: var(--text-muted);
}

/* ========================================
   Preparation Guide
   ======================================== */
.gmi-prep-container {
    max-width: 900px;
    margin: 0 auto;
}

.gmi-prep-hero {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    color: white;
    margin-bottom: var(--spacing-xl);
}

.gmi-prep-hero h1 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.gmi-prep-hero p {
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.gmi-prep-checklist {
    display: grid;
    gap: var(--spacing-md);
}

.gmi-prep-item {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.gmi-prep-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.gmi-prep-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.gmi-prep-icon.required {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.gmi-prep-icon.optional {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.gmi-prep-content h4 {
    margin-bottom: var(--spacing-xs);
}

.gmi-prep-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.gmi-prep-tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
}

.gmi-prep-tag.required {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.gmi-prep-tag.optional {
    background: var(--primary-bg);
    color: var(--primary-color);
}

/* ========================================
   Antigravity Effects
   ======================================== */
.gmi-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.gmi-float-delay-1 { animation-delay: 0.5s; }
.gmi-float-delay-2 { animation-delay: 1s; }
.gmi-float-delay-3 { animation-delay: 1.5s; }

.gmi-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.gmi-glow {
    box-shadow: var(--shadow-glow);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(37, 99, 235, 0.3); }
    to { box-shadow: 0 0 40px rgba(37, 99, 235, 0.6); }
}

/* Particle Background */
.gmi-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: -1;
}

.gmi-particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 15s infinite;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* iOS/모바일 파티클 최적화 */
@supports (-webkit-touch-callout: none) {
    .gmi-particle {
        animation-duration: 30s !important;
        opacity: 0.15;
    }
}

@media (max-width: 768px), (hover: none) {
    .gmi-particle {
        animation-duration: 25s !important;
        opacity: 0.2;
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .gmi-sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transition: left var(--transition-base);
    }

    .gmi-sidebar.open {
        left: 0;
    }

    .gmi-admin-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }

    .gmi-header-inner {
        height: 60px;
    }

    .gmi-nav {
        display: none;
    }

    .gmi-chat-container {
        height: calc(100vh - 120px);
    }

    .gmi-chat-message {
        max-width: 95%;
    }

    .gmi-stats-grid {
        grid-template-columns: 1fr;
    }

    .gmi-progress-step-label {
        display: none;
    }
}

@media (max-width: 480px) {
    .gmi-container {
        padding: 0 var(--spacing-md);
    }

    .gmi-card-body {
        padding: var(--spacing-md);
    }

    .gmi-prep-item {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   Utilities
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .gmi-sidebar,
    .gmi-chat-input-container,
    .gmi-btn {
        display: none !important;
    }

    .gmi-card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}