/* ============================================
   Screenplay Editor - Main Stylesheet
   ============================================ */

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

/* ============================================
   CSS Variables - Light Mode
   ============================================ */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --success-color: #10b981;
    --success-dark: #059669;
    --secondary-color: #6366f1;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #e5e7eb;
    
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-tertiary: #9ca3af;
    --text-light: #ffffff;
    
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.2);
    
    --editor-bg: #ffffff;
    --editor-text: #1f2937;
    --editor-border: #e5e7eb;
    --editor-scroll: #cbd5e1;
}

/* ============================================
   CSS Variables - Dark Mode
   ============================================ */

body.dark-mode {
    --primary-color: #3b82f6;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --success-color: #10b981;
    --success-dark: #059669;
    --secondary-color: #818cf8;
    --warning-color: #fbbf24;
    --danger-color: #f87171;
    
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --bg-tertiary: #374151;
    --bg-dark: #4b5563;
    
    --text-primary: #f9fafb;
    --text-secondary: #e5e7eb;
    --text-tertiary: #9ca3af;
    --text-light: #ffffff;
    
    --border-color: #4b5563;
    --border-light: #374151;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-lg: rgba(0, 0, 0, 0.5);
    
    --editor-bg: #1f2937;
    --editor-text: #f9fafb;
    --editor-border: #374151;
    --editor-scroll: #4b5563;
}

/* ============================================
   Global Styles
   ============================================ */

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   Advertisement Banners
   ============================================ */

.ad-banner {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.ad-top {
    border-bottom: 2px solid var(--border-color);
}

.ad-bottom {
    border-top: 2px solid var(--border-color);
    margin-top: auto;
}

.ad-banner .ad-content {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: 20px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Advertisement Sidebars
   ============================================ */

.ad-sidebar {
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    padding: 15px;
    min-width: 120px;
    overflow-y: auto;
}

.ad-sidebar.ad-left {
    border-left: none;
    border-right: 2px solid var(--border-color);
}

.ad-sidebar.ad-right {
    border-right: none;
    border-left: 2px solid var(--border-color);
}

.ad-sidebar .ad-content {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-dark) 100%);
    padding: 20px;
    border-radius: 8px;
    color: var(--text-tertiary);
    font-size: 12px;
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Header
   ============================================ */

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
    gap: 15px;
}

.header-left {
    flex: 0 0 auto;
}

.app-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0;
}

.header-middle {
    flex: 1 1 auto;
    min-width: 200px;
}

.screenplay-title-input {
    width: 100%;
    max-width: 500px;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

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

.header-right {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.theme-btn {
    background: none;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

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

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

.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

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

.btn-success {
    background-color: var(--success-color);
    color: var(--text-light);
}

.btn-success:hover {
    background-color: var(--success-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-light);
}

.btn-secondary:hover {
    background-color: #4f46e5;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-info {
    background-color: #06b6d4;
    color: var(--text-light);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-info:hover {
    background-color: #0891b2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

/* ============================================
   Main Container
   ============================================ */

.container {
    display: flex;
    height: calc(100vh - 120px);
    gap: 0;
    overflow: hidden;
}

/* ============================================
   Editor Wrapper
   ============================================ */

.editor-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ============================================
   Toolbar
   ============================================ */

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    overflow-y: auto;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 5px;
    border-right: 1px solid var(--border-color);
    padding-right: 10px;
}

.toolbar-group:last-child {
    border-right: none;
}

.toolbar-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.toolbar-btn {
    padding: 6px 12px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.toolbar-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.toolbar-btn.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

/* ============================================
   Editor Container
   ============================================ */

.editor-container {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

.screenplay-editor {
    flex: 1;
    padding: 30px;
    border: none;
    background-color: var(--editor-bg);
    color: var(--editor-text);
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.8;
    resize: none;
    outline: none;
    overflow-y: auto;
    overflow-x: auto;
    tab-size: 4;
}

.screenplay-editor::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.screenplay-editor::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.screenplay-editor::-webkit-scrollbar-thumb {
    background: var(--editor-scroll);
    border-radius: 5px;
}

.screenplay-editor::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Line numbers styling */
.line-numbers {
    display: none;
    padding: 30px 10px;
    background-color: var(--bg-tertiary);
    border-right: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.8;
    overflow: hidden;
    user-select: none;
    min-width: 50px;
    text-align: right;
}

/* ============================================
   Status Bar
   ============================================ */

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 15px;
}

#statusMessage {
    font-weight: 600;
    color: var(--success-color);
}

.status-bar span {
    flex: 1;
}

/* ============================================
   Footer
   ============================================ */

.main-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
    padding: 30px 20px 15px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto 20px;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-section {
    flex: 1;
    min-width: 250px;
}

.footer-section h3 {
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 10px;
}

.footer-section p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.footer-nav {
    flex: 1;
}

.footer-links h4 {
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 12px;
}

.footer-links ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 8px;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-tertiary);
}

/* ============================================
   Responsive Design - Tablet
   ============================================ */

@media (max-width: 1024px) {
    .container {
        flex-direction: column;
        height: calc(100vh - 150px);
    }

    .ad-sidebar {
        display: none;
    }

    .header-right {
        order: 3;
        flex-basis: 100%;
    }

    .toolbar {
        gap: 5px;
        padding: 8px;
    }

    .toolbar-group {
        padding-right: 5px;
    }

    .toolbar-label {
        display: none;
    }

    .toolbar-btn {
        padding: 4px 8px;
        font-size: 12px;
    }

    .screenshot-editor {
        padding: 15px;
    }
}

/* ============================================
   Responsive Design - Mobile
   ============================================ */

@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
    }

    .header-left, .header-middle, .header-right {
        width: 100%;
    }

    .app-title {
        font-size: 18px;
    }

    .screenplay-title-input {
        max-width: 100%;
    }

    .header-right {
        justify-content: space-evenly;
    }

    .btn {
        flex: 1;
        justify-content: center;
        padding: 8px 10px;
        font-size: 12px;
    }

    .container {
        height: calc(100vh - 250px);
    }

    .toolbar {
        gap: 3px;
        padding: 6px;
        overflow-x: auto;
    }

    .toolbar-btn {
        padding: 4px 6px;
        font-size: 11px;
    }

    .screenplay-editor {
        padding: 12px;
        font-size: 13px;
        line-height: 1.6;
    }

    .status-bar {
        font-size: 11px;
        padding: 8px 10px;
        gap: 10px;
    }

    .status-bar span {
        flex: 1;
        min-width: fit-content;
    }

    .main-footer {
        padding: 15px 10px 8px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 15px;
    }

    .footer-section {
        min-width: auto;
    }

    .footer-section h3 {
        font-size: 14px;
    }

    .footer-section p {
        font-size: 12px;
    }

    .footer-links h4 {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .footer-links ul {
        grid-template-columns: repeat(2, 1fr);
        gap: 5px;
    }

    .footer-links a {
        font-size: 12px;
    }

    .footer-bottom {
        font-size: 10px;
        padding-top: 10px;
    }

    .ad-banner {
        padding: 8px;
    }

    .ad-banner .ad-content {
        padding: 10px;
        min-height: 40px;
        font-size: 12px;
    }
}

/* ============================================
   Responsive Design - Small Mobile
   ============================================ */

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .main-header {
        padding: 8px;
    }

    .app-title {
        font-size: 16px;
    }

    .screenplay-title-input {
        font-size: 14px;
        padding: 8px 10px;
    }

    .btn {
        padding: 6px 8px;
        font-size: 11px;
    }

    .container {
        height: auto;
        flex-direction: column;
    }

    .editor-wrapper {
        min-height: calc(100vh - 300px);
    }

    .toolbar {
        gap: 2px;
        padding: 4px;
    }

    .toolbar-btn {
        padding: 3px 5px;
        font-size: 10px;
    }

    .screenplay-editor {
        padding: 8px;
        font-size: 12px;
        line-height: 1.5;
    }

    .ad-banner .ad-content {
        padding: 8px;
        min-height: 30px;
        font-size: 11px;
    }
}

/* ============================================
   Animations
   ============================================ */

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.status-bar, .toolbar {
    animation: fadeIn 0.3s ease;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .main-header, .toolbar, .status-bar, .main-footer, .ad-banner, .ad-sidebar {
        display: none;
    }

    .container {
        height: auto;
    }

    .screenplay-editor {
        border: none;
        padding: 0;
        background: white;
        color: black;
    }
}