/* ============================================
   ChatMock - Design System & Core Styles
   ============================================ */

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

:root {
    /* Color Palette */
    --primary-color: #0B93F6;
    --primary-dark: #0880d9;
    --secondary-color: #34C759;
    --accent-color: #FF3B30;
    
    /* iOS iMessage Colors */
    --ios-blue: #0B93F6;
    --ios-blue-gradient-start: #0B93F6;
    --ios-blue-gradient-end: #0880d9;
    --ios-gray: #E5E5EA;
    --ios-gray-dark: #8E8E93;
    --ios-bg: #FFFFFF;
    --ios-header-bg: #F6F6F6;
    
    /* Android Messages Colors */
    --android-primary: #1976D2;
    --android-received: #F1F3F4;
    --android-bg: #FFFFFF;
    --android-header-bg: #1976D2;
    
    /* Neutral Colors */
    --bg-primary: #F8F9FA;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E9ECEF;
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-light: #ADB5BD;
    --border-color: #DEE2E6;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-md: 15px;
    --font-size-lg: 17px;
    --font-size-xl: 20px;
    --font-size-xxl: 28px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* ============================================
   Notification Bar
   ============================================ */

.notification-bar {
    background: white;
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.notification-bar.hidden {
    display: none;
}

.notification-content {
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.notification-content a {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 600;
    transition: color var(--transition-fast);
}

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

.notification-close {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 20px;
    line-height: 1;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    padding: 0;
    position: absolute;
    right: var(--spacing-md);
}

.notification-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: scale(1.1);
}

.notification-close:active {
    transform: scale(0.95);
}

/* ============================================
   App Layout
   ============================================ */

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-lg) var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-header h1 {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.header-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-md);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color var(--transition-fast);
}

.header-link:hover {
    color: white;
    text-decoration: underline;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    flex: 1;
    max-width: 1800px;
    width: 100%;
    margin: 0 auto;
    transition: grid-template-columns 0.3s ease;
}

/* Expanded Editor Mode */
.main-content.editor-expanded {
    grid-template-columns: 3.5fr 1fr;
}

.left-panel.expanded {
    overflow: visible;
}

.right-panel.collapsed {
    min-width: 280px;
}

/* Minimized Sections */
.section.minimized {
    max-height: 60px;
    overflow: hidden;
    cursor: pointer;
    transition: max-height 0.3s ease;
}

.section.minimized:hover {
    opacity: 0.8;
}

.section.minimized .characters-list {
    display: none;
}

/* Allow image section to show images even when minimized */
.section.minimized.image-section {
    max-height: none;
    overflow: visible;
}

.left-panel, .right-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

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

.btn-success:hover {
    background: #2dbb50; /* Slightly darker green for hover */
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   Dropdown Menu
   ============================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: var(--spacing-xs);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 240px;
    z-index: 1000;
    overflow: hidden;
}

.dropdown-menu.active {
    display: block;
    animation: dropdownSlideIn 0.2s ease;
}

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

.dropdown-item {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: none;
    text-align: left;
    font-size: var(--font-size-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-primary);
}

.dropdown-item:active {
    background: var(--bg-secondary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* ============================================
   Sections
   ============================================ */

.section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.section:hover {
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--bg-primary);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.section-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   Character Management
   ============================================ */

.characters-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.character-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.character-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.character-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--ios-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    overflow: hidden;
}

.character-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.character-info {
    text-align: center;
    width: 100%;
}

.character-name {
    font-weight: 600;
    font-size: var(--font-size-md);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.character-meta {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.character-actions {
    display: flex;
    gap: var(--spacing-xs);
    width: 100%;
    margin-top: var(--spacing-xs);
}

.character-actions button {
    flex: 1;
    padding: var(--spacing-xs);
    font-size: var(--font-size-xs);
}

/* ============================================
   Spreadsheet Editor
   ============================================ */

.spreadsheet-section {
    max-height: 500px;
}

.spreadsheet-container {
    overflow: auto;
    max-height: 400px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.message-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.message-table thead {
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 10;
}

.message-table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.message-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.message-table tbody tr:hover {
    background: var(--bg-primary);
}

.message-table input,
.message-table select,
.message-table textarea {
    width: 100%;
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-family: inherit;
}

.message-table textarea {
    min-height: 32px;
    resize: none;
    overflow: hidden;
}

.message-table textarea.resizable {
    resize: vertical;
    min-height: 50px;
    overflow: auto;
}

.message-table input:focus,
.message-table select:focus,
.message-table textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: -1px;
}

.empty-state-row td {
    text-align: center;
    padding: var(--spacing-xl);
}

/* ============================================
   Image Library
   ============================================ */

.image-library {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
}

.image-thumbnail {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: all var(--transition-fast);
}

.image-thumbnail:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.image-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-thumbnail .image-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-xs);
    font-size: var(--font-size-xs);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Settings Bar
   ============================================ */

.settings-bar {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.setting-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.setting-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.setting-select {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
    background: white;
}

.setting-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: -1px;
}

/* ============================================
   Phone Preview
   ============================================ */

.preview-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.preview-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.phone-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--spacing-lg);
    flex: 1;
}

.phone-screen {
    width: 375px;
    min-height: 812px;
    max-height: 812px;
    background: white;
    border-radius: 30px;
    box-shadow: 0 0 0 8px #1a1a1a, 0 0 0 10px #2a2a2a, var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Conversation Header */
.conversation-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--ios-header-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 20;
    height: 44px;
}

.header-back {
    font-size: 28px;
    color: var(--ios-blue-gradient-start);
    font-weight: 300;
    cursor: pointer;
    min-width: 30px;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    justify-content: center;
}

.header-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--ios-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: white;
    overflow: hidden;
}

.header-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.header-contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header-name {
    font-weight: 600;
    font-size: var(--font-size-md);
    color: var(--text-primary);
}

.header-info {
    font-size: 20px;
    color: var(--ios-blue-gradient-start);
    cursor: pointer;
    min-width: 30px;
    text-align: right;
}

/* Messages Container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: white;
}

/* ============================================
   iOS iMessage Styling
   ============================================ */

.phone-screen.ios .conversation-header {
    background: var(--ios-header-bg);
}

.phone-screen.ios .messages-container {
    background: var(--ios-bg);
}

.message-group {
    margin-bottom: var(--spacing-md);
}

.message-timestamp {
    text-align: center;
    color: var(--ios-gray-dark);
    font-size: var(--font-size-xs);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    font-weight: 500;
}

.message-bubble {
    max-width: 70%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xs);
    word-wrap: break-word;
    font-size: var(--font-size-md);
    line-height: 1.4;
}

/* iOS Sent Messages (Blue) */
.message-bubble.sent.ios {
    background: linear-gradient(135deg, var(--ios-blue-gradient-start), var(--ios-blue-gradient-end));
    color: white;
    margin-left: auto;
    border-bottom-right-radius: var(--spacing-xs);
}

/* iOS Received Messages (Gray) */
.message-bubble.received.ios {
    background: var(--ios-gray);
    color: var(--text-primary);
    margin-right: auto;
    border-bottom-left-radius: var(--spacing-xs);
}

/* Message with image */
.message-bubble {
    overflow: hidden; /* Prevent content from flowing outside bubble */
}

.message-bubble img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin-top: var(--spacing-xs);
    display: block;
}

/* ============================================
   Android Messages Styling
   ============================================ */

.phone-screen.android .conversation-header {
    background: var(--android-header-bg);
    color: white;
}

.phone-screen.android .messages-container {
    background: var(--android-bg);
}

/* Android Sent Messages */
.message-bubble.sent.android {
    background: var(--android-primary);
    color: white;
    margin-left: auto;
    border-radius: var(--radius-xl);
    border-bottom-right-radius: var(--spacing-xs);
}

/* Android Received Messages */
.message-bubble.received.android {
    background: var(--android-received);
    color: var(--text-primary);
    margin-right: auto;
    border-radius: var(--radius-xl);
    border-bottom-left-radius: var(--spacing-xs);
}

/* ============================================
   Chat Input Bar (iOS & Android)
   ============================================ */

.chat-input-bar {
    background: white;
    border-top: 0.5px solid var(--border-color);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 50px;
    position: relative;
}

.chat-input-bar.hidden {
    display: none;
}

/* iOS Chat Bar */
.chat-input-bar.ios {
    background: #F6F6F6;
    padding: 8px 8px 8px 12px;
}

.ios-input-content {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.android-input-content {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.chat-input-bar.ios .input-action-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: transparent;
    border: 1.5px solid #8E8E93;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8E8E93;
    font-size: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.chat-input-bar.ios .message-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    background: white;
    border: 0.5px solid #C7C7CC;
    border-radius: 18px;
    padding-right: 6px;
}

.chat-input-bar.ios .message-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 7px 12px;
    font-size: 15px;
    color: #000000;
    outline: none;
    min-height: 34px;
}

.chat-input-bar.ios .message-input::placeholder {
    color: #8E8E93;
}

.chat-input-bar.ios .sound-wave-btn {
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
    margin-right: 4px;
}

.chat-input-bar.ios .sound-wave-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5px;
}

.chat-input-bar.ios .sound-wave-icon span {
    width: 2px;
    background: #8E8E93;
    border-radius: 1px;
}

.chat-input-bar.ios .sound-wave-icon span:nth-child(1) {
    height: 4px;
}

.chat-input-bar.ios .sound-wave-icon span:nth-child(2) {
    height: 8px;
}

.chat-input-bar.ios .sound-wave-icon span:nth-child(3) {
    height: 14px;
}

.chat-input-bar.ios .sound-wave-icon span:nth-child(4) {
    height: 8px;
}

.chat-input-bar.ios .sound-wave-icon span:nth-child(5) {
    height: 4px;
}

/* Android Chat Bar */
.chat-input-bar.android {
    background: white;
    padding: 8px 12px;
}

.chat-input-bar.android .input-action-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
}

.chat-input-bar.android .input-action-btn svg {
    width: 24px;
    height: 24px;
    fill: #5F6368;
}

.chat-input-bar.android .message-input-wrapper {
    flex: 1;
    background: #F1F3F4;
    border-radius: 24px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-input-bar.android .message-input {
    flex: 1;
    background: transparent;
    border: none;
    font-size: 16px;
    color: #202124;
    outline: none;
    padding: 0;
}

.chat-input-bar.android .message-input::placeholder {
    color: #5F6368;
}

.chat-input-bar.android .emoji-btn {
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
}

.chat-input-bar.android .emoji-btn svg {
    width: 24px;
    height: 24px;
    fill: #5F6368;
}

.chat-input-bar.android .mic-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
}

.chat-input-bar.android .mic-btn svg {
    width: 24px;
    height: 24px;
    fill: #5F6368;
}

/* ============================================
   Modal
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn var(--transition-normal);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xxl);
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

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

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

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(11, 147, 246, 0.1);
}

.form-group input[type="color"] {
    width: 100%;
    height: 50px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.form-group input[type="file"] {
    padding: var(--spacing-sm);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.profile-pic-preview {
    margin-top: var(--spacing-md);
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    background: var(--bg-primary);
    display: none;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.profile-pic-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-pic-preview.active {
    display: flex;
}

/* ============================================
   Empty States
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    font-size: var(--font-size-md);
}

.empty-state p {
    margin-bottom: var(--spacing-sm);
}

.help-text {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* ============================================
   Utility Classes
   ============================================ */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

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

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .phone-screen {
        width: 100%;
        max-width: 375px;
    }
}

@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .characters-list {
        grid-template-columns: 1fr;
    }
    
    .phone-screen {
        border-radius: 20px;
        box-shadow: 0 0 0 4px #1a1a1a, 0 0 0 6px #2a2a2a, var(--shadow-md);
    }
}

/* ============================================
   Scroll Bars (Webkit)
   ============================================ */

.spreadsheet-container::-webkit-scrollbar,
.messages-container::-webkit-scrollbar,
.image-library::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.spreadsheet-container::-webkit-scrollbar-track,
.messages-container::-webkit-scrollbar-track,
.image-library::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}

.spreadsheet-container::-webkit-scrollbar-thumb,
.messages-container::-webkit-scrollbar-thumb,
.image-library::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

.spreadsheet-container::-webkit-scrollbar-thumb:hover,
.messages-container::-webkit-scrollbar-thumb:hover,
.image-library::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* Drag and Drop Styles */
.draggable-row {
    cursor: grab;
}

.draggable-row.dragging {
    opacity: 0.5;
    background-color: var(--bg-secondary);
}

.draggable-row.drag-over {
    border-top: 2px solid var(--accent-color);
}

.drag-handle {
    cursor: grab;
    color: var(--text-secondary);
    font-weight: bold;
    user-select: none;
    text-align: center;
}

.drag-handle:hover {
    color: var(--text-primary);
}

.logo {
    width: 36px;
    height: 36px;
    margin-right: 5px;
}