/* ============================
   Borderline — 미니멀 시나리오 에디터
   Notion-inspired minimalist design
   ============================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Nanum+Myeongjo:wght@400;700&display=swap');

/* --- 커스텀 프로퍼티 --- */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f7f7f5;
    --bg-tertiary: #f0f0ee;
    --bg-hover: #efefef;
    --bg-active: #e8e8e5;
    --text-primary: #37352f;
    --text-secondary: #6b6b6b;
    --text-tertiary: #9b9a97;
    --text-placeholder: #b4b4b0;
    --border-color: #e8e8e3;
    --border-light: #f0f0ee;
    --accent: #2383e2;
    --accent-hover: #1b6ec2;
    --accent-bg: #e8f0fe;
    --red: #eb5757;
    --yellow: #dfab01;
    --green: #0f7b6c;
    --paper-bg: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.08);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Nanum Myeongjo', serif;
    --transition: 120ms ease;
}

/* --- 다크 테마 --- */
body.dark-theme {
    --bg-primary: #191919;
    --bg-secondary: #202020;
    --bg-tertiary: #2d2d2d;
    --bg-hover: #2d2d2d;
    --bg-active: #363636;
    --text-primary: #e3e3e1;
    --text-secondary: #9b9a97;
    --text-tertiary: #6b6b6b;
    --text-placeholder: #505050;
    --border-color: #2d2d2d;
    --border-light: #252525;
    --accent: #529cca;
    --accent-hover: #6daedb;
    --accent-bg: #1c3a52;
    --paper-bg: #1e1e1e;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.25);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.3);
}

/* --- 리셋 --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    background: var(--bg-secondary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* --- 로그인 / 랜딩 페이지 --- */
#login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: var(--bg-primary);
    overflow-y: auto;
}

.landing-page {
    width: 100%;
    max-width: 720px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.landing-hero { text-align: center; width: 100%; }

.login-box {
    padding: 3rem 2rem;
    text-align: center;
    width: 90%;
    max-width: 400px;
    margin: 0 auto;
}

.login-box .logo { justify-content: center; margin-bottom: 1.5rem; }
.login-box h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.landing-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem !important;
    font-weight: 400;
}

.landing-description {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 2rem !important;
    line-height: 1.6;
}

.landing-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

#login-btn {
    background: var(--text-primary);
    color: var(--bg-primary);
    border: none;
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: opacity var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}
#login-btn:hover { opacity: 0.85; }
#login-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.guest-login-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}
.guest-login-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

#firebase-error-message {
    display: none;
    color: var(--red);
    background: #fdf2f2;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
    text-align: left;
    max-width: 400px;
    font-size: 0.85rem;
    border: 1px solid #fecaca;
}
body.dark-theme #firebase-error-message {
    background: #2d1a1a;
    border-color: #5c2a2a;
}

/* 랜딩 기능 카드 */
.landing-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    width: 100%;
    max-width: 720px;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    transition: border-color var(--transition);
}
.feature-card:hover { border-color: var(--text-tertiary); }
.feature-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.feature-card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}
.feature-card p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* --- 메인 앱 레이아웃 --- */
#app-container {
    display: none;
    height: 100vh;
    flex-direction: row;
    position: relative;
}

.main-content {
    display: grid;
    grid-template-rows: 46px 1fr;
    flex-grow: 1;
    overflow: hidden;
    background: var(--bg-secondary);
}

/* --- 헤더 --- */
.header {
    background: var(--bg-primary);
    padding: 0 0.75rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 46px;
    flex-shrink: 0;
}

.header-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

#current-project-title-wrapper {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition);
}
#current-project-title-wrapper.editable:hover {
    background-color: var(--bg-hover);
}

#current-project-title {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 30vw;
}

#rename-project-btn {
    visibility: hidden;
    opacity: 0;
    transition: opacity var(--transition);
    font-size: 0.8rem;
}
#current-project-title-wrapper.editable:hover #rename-project-btn {
    visibility: visible;
    opacity: 1;
}

/* --- 사이드바 --- */
.sidebar {
    width: 260px;
    background: var(--bg-primary);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    transition: margin-left 0.2s ease;
    border-right: 1px solid var(--border-color);
}
.sidebar.collapsed { margin-left: -260px; }

.sidebar-header {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
}
.sidebar-header .logo { padding: 0.25rem; }

/* 사이드바 탭 */
.nav-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    padding: 0 0.5rem;
    gap: 0;
}

.nav-tab {
    flex: 1;
    padding: 0.55rem 0.3rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}
.nav-tab:hover { color: var(--text-secondary); }
.nav-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
    font-weight: 600;
}

.nav-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* 메모 에디터 */
#memo-pane { height: 100%; }
#memo-editor {
    width: 100%;
    height: 100%;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    line-height: 1.6;
    resize: none;
    outline: none;
    transition: border-color var(--transition);
}
#memo-editor:focus { border-color: var(--accent); }

/* 사이드바 목록 아이템 */
.project-list, .scene-list, .character-list { list-style: none; }
.empty-list-message {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    text-align: center;
    padding: 1.5rem 0;
}

.project-item, .scene-item, .character-item {
    padding: 0.45rem 0.6rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-bottom: 1px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 80ms ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.project-item:hover, .scene-item:hover, .character-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.project-item.active {
    background: var(--bg-active);
    color: var(--text-primary);
    font-weight: 500;
}

.delete-project-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 1rem;
    opacity: 0;
    transition: opacity 80ms ease;
    padding: 0 0.2rem;
    line-height: 1;
}
.project-item:hover .delete-project-btn { opacity: 1; }

/* 사이드바 푸터 */
.sidebar-footer {
    padding: 0.6rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.add-project-btn {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition);
}
.add-project-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.25rem;
}
.user-profile img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}
#user-name {
    font-weight: 500;
    font-size: 0.8rem;
    flex-grow: 1;
    color: var(--text-secondary);
}

/* --- 에디터 영역 --- */
.editor-area {
    display: grid;
    grid-template-rows: auto 1fr;
    background: var(--bg-secondary);
    min-height: 0;
    position: relative;
}

/* 에디터 툴바 */
.editor-toolbar {
    padding: 0.4rem 1rem;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.format-buttons { display: flex; gap: 2px; }

.format-btn {
    padding: 0.3rem 0.65rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 80ms ease;
}
.format-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.format-btn.active {
    background: var(--accent-bg);
    color: var(--accent);
    font-weight: 600;
}

.toolbar-divider {
    width: 1px;
    height: 16px;
    background: var(--border-color);
    flex-shrink: 0;
}

.toolbar-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
}

/* 에디터 컨테이너 */
.screenplay-container {
    padding: 1.5rem;
    overflow: auto;
}

.screenplay-editor {
    background: var(--paper-bg);
    color: var(--text-primary);
    width: 8.5in;
    margin: 0 auto;
    padding: 1in;
    font-family: var(--font-serif);
    font-size: 12pt;
    line-height: 1.6;
    outline: none;
    min-height: 11in;
    box-shadow: var(--shadow-md);
    border-radius: 2px;
    transform-origin: top center;
    transition: transform 0.2s ease-in-out;
}

body.dark-theme .screenplay-editor {
    color: #e3e3e1;
    box-shadow: var(--shadow-lg);
}

/* 시나리오 요소 */
.element {
    min-height: 1.5em;
    transition: background-color 80ms ease;
    border-radius: 2px;
    padding: 1px 2px;
}

.element:focus {
    background-color: rgba(55, 53, 47, 0.03);
}
body.dark-theme .element:focus {
    background-color: rgba(255, 255, 255, 0.03);
}

.element:empty:not(:focus):before {
    content: attr(data-placeholder);
    color: var(--text-placeholder);
    cursor: text;
}

.scene-heading {
    font-weight: bold;
    text-transform: uppercase;
    margin: 1.5rem 0 1rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}
.scene-heading:first-child { border-top: none; padding-top: 0; }

.action { margin: 1rem 0; max-width: 6in; }

.character {
    text-align: center;
    margin: 1rem 0 0.2rem 0;
    padding-left: 2in;
    padding-right: 2in;
    font-weight: 600;
}

.dialogue {
    max-width: 3.7in;
    margin: 0 auto 1rem auto;
    text-align: left;
}

.parenthetical {
    max-width: 2.5in;
    margin: 0 auto -0.8rem auto;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* --- 공통 컴포넌트 --- */

/* 아이콘 버튼 */
.icon-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 80ms ease;
    font-size: 0.9rem;
    line-height: 1;
}
.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* 액션 버튼 */
.action-btn {
    padding: 0.4rem 0.8rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: opacity var(--transition);
}
.action-btn:hover { opacity: 0.85; }

/* 줌 컨트롤 */
.zoom-controls {
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}
.zoom-controls .icon-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
}
.zoom-reset-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0 0.5rem;
    font-size: 0.75rem;
    cursor: pointer;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

/* Undo/Redo */
.undo-redo-controls { display: flex; gap: 0; }
.undo-redo-controls .icon-btn { font-size: 0.95rem; }
.undo-redo-controls .icon-btn:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}
.undo-redo-controls .icon-btn:disabled:hover {
    background: none;
}

/* 로고 */
.logo { display: flex; align-items: center; gap: 0.6rem; }
.logo-icon {
    width: 26px;
    height: 26px;
    background: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: white;
}

/* 저장 상태 */
.save-status {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-tertiary);
    font-size: 0.75rem;
}
.save-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-tertiary);
    transition: background-color 0.3s;
}
.save-status.saving .save-indicator { background: var(--yellow); }
.save-status.saved .save-indicator { background: var(--green); }

/* 테마 / 도움말 버튼 */
#theme-toggle-btn { font-size: 0.95rem; }
#help-btn {
    font-size: 0.75rem;
    font-weight: 700;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-tertiary);
}
#help-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* --- 모달 --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.15s ease;
}
.modal-overlay.show { display: flex; opacity: 1; }

.modal-content {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 380px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.97);
    transition: transform 0.15s ease;
}
.modal-overlay.show .modal-content { transform: scale(1); }

.modal-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-content input[type="text"],
.modal-content textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
    resize: vertical;
    outline: none;
    transition: border-color var(--transition);
    font-family: var(--font-sans);
}
.modal-content input[type="text"]:focus,
.modal-content textarea:focus {
    border-color: var(--accent);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.modal-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all var(--transition);
    font-family: var(--font-sans);
}
.modal-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}
.modal-btn.secondary:hover {
    background: var(--bg-active);
    color: var(--text-primary);
}
.modal-btn.primary {
    background: var(--accent);
    color: white;
}
.modal-btn.primary:hover { background: var(--accent-hover); }
.modal-btn.primary:disabled { opacity: 0.4; cursor: not-allowed; }
.modal-btn.danger { background: var(--red); color: white; }
.modal-btn.danger:hover { opacity: 0.9; }

/* 내보내기 모달 */
.export-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.export-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-align: left;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition);
    font-family: var(--font-sans);
}
.export-option:hover {
    border-color: var(--accent);
    background: var(--accent-bg);
}

/* 단축키 도움말 모달 */
.help-modal-content { max-width: 440px; }
.shortcut-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.shortcut-group h4 {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border-color);
}
.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3rem 0;
    font-size: 0.85rem;
}
.shortcut-item span { color: var(--text-secondary); }

kbd {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0.15rem 0.45rem;
    font-size: 0.75rem;
    font-family: var(--font-sans);
    color: var(--text-primary);
    box-shadow: 0 1px 0 var(--border-color);
}

/* --- 토스트 알림 --- */
#toast-container {
    position: fixed;
    bottom: 16px;
    right: 16px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(8px);
    animation: toastIn 0.2s forwards, toastOut 0.2s 2.8s forwards;
    font-size: 0.85rem;
}
.toast.error {
    border-color: var(--red);
    color: var(--red);
}
.toast.warning {
    border-color: var(--yellow);
    color: var(--yellow);
}

@keyframes toastIn {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
    to { opacity: 0; transform: translateY(8px); }
}

/* --- 게스트 모드 배너 --- */
.guest-banner {
    background: #fefce8;
    color: #713f12;
    padding: 0.35rem 1rem;
    text-align: center;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    border-bottom: 1px solid #fde68a;
}
body.dark-theme .guest-banner {
    background: #2d2305;
    color: #fbbf24;
    border-bottom-color: #4a3a0a;
}
.guest-banner button {
    background: #713f12;
    color: #fefce8;
    border: none;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
}
body.dark-theme .guest-banner button {
    background: #fbbf24;
    color: #1a1a1a;
}

/* --- 오버레이 --- */
.overlay { display: none; }

/* --- 반응형 --- */
@media (max-width: 1024px) {
    .sidebar { width: 240px; }
    .sidebar.collapsed { margin-left: -240px; }
    .screenplay-editor {
        width: 100%;
        max-width: 8.5in;
        padding: 0.75in;
    }
}

@media (max-width: 768px) {
    body { -webkit-overflow-scrolling: touch; }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100%;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }
    .sidebar:not(.collapsed) { transform: translateX(0); }
    .sidebar.collapsed { margin-left: 0; transform: translateX(-100%); }

    .overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.3);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease;
    }
    .overlay.show { opacity: 1; pointer-events: auto; }

    .header { padding: 0 0.5rem; }
    #current-project-title { max-width: 35vw; font-size: 0.85rem; }
    .header-group { gap: 0.15rem; }
    .header-group .save-status span { display: none; }
    .action-btn { padding: 0.35rem 0.5rem; font-size: 0.75rem; }
    .action-btn span { display: none; }
    .zoom-controls { display: none; }
    .undo-redo-controls { display: none; }

    .screenplay-container { padding: 0.5rem; }
    .screenplay-editor {
        width: 100%;
        min-height: calc(100vh - 100px);
        padding: 1rem;
        font-size: 11pt;
        box-shadow: none;
        border-radius: 0;
    }

    .action, .character, .dialogue, .parenthetical {
        max-width: 100%;
        padding-left: 0;
        padding-right: 0;
        margin-left: auto;
        margin-right: auto;
    }
    .character { text-align: left; margin-left: 25%; }
    .dialogue { text-align: left; margin-left: 10%; margin-right: 10%; }
    .parenthetical { text-align: left; margin-left: 15%; }

    .editor-toolbar { padding: 0.35rem 0.5rem; flex-wrap: wrap; }
    .format-buttons { flex-wrap: wrap; gap: 1px; }
    .format-btn { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
    .toolbar-divider, .toolbar-hint { display: none; }

    .landing-features { grid-template-columns: 1fr; gap: 0.75rem; }
    .landing-page { padding: 1rem; gap: 2rem; }
}

/* 스크롤바 스타일 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* 선택 영역 */
::selection {
    background: var(--accent-bg);
    color: var(--text-primary);
}