/* 录屏工具专用样式 */
:root {
    --screen-primary: #2563eb;
    --screen-primary-hover: #1d4ed8;
    --screen-success: #10b981;
    --screen-warning: #f59e0b;
    --screen-danger: #ef4444;
    --screen-bg: #0f172a;
    --screen-card-bg: #1e293b;
    --screen-border: #334155;
    --screen-text: #f1f5f9;
    --screen-text-muted: #94a3b8;
    --screen-recording: #dc2626;
    --screen-recording-glow: rgba(220, 38, 38, 0.3);
}
.screen-recorder-container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.header-section { text-align: center; margin-bottom: 30px; background: var(--screen-card-bg); border-radius: 16px; padding: 30px; border: 1px solid var(--screen-border); }
.page-title { font-size: 2.5rem; font-weight: 700; margin-bottom: 10px; background: linear-gradient(135deg, var(--screen-primary), var(--screen-success)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.page-subtitle { font-size: 1.1rem; color: var(--screen-text-muted); margin-bottom: 20px; }
.user-status-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 500; margin-top: 10px; border: 1.5px solid transparent; transition: all 0.3s ease; backdrop-filter: blur(10px); position: relative; overflow: hidden; line-height: 1; }
.user-status-badge::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent); transition: left 0.6s ease; }
.user-status-badge:hover::before { left: 100%; }
.user-status-badge.status-guest { background: rgba(100, 116, 139, 0.15); border-color: rgba(100, 116, 139, 0.3); color: #94a3b8; }
.user-status-badge.status-guest:hover { background: rgba(100, 116, 139, 0.25); border-color: rgba(100, 116, 139, 0.5); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(100, 116, 139, 0.2); }
.user-status-badge.status-free { background: rgba(245, 158, 11, 0.15); border-color: rgba(245, 158, 11, 0.4); color: #f59e0b; }
.user-status-badge.status-free:hover { background: rgba(245, 158, 11, 0.25); border-color: rgba(245, 158, 11, 0.6); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3); }
.user-status-badge.status-premium { background: rgba(16, 185, 129, 0.15); border-color: rgba(16, 185, 129, 0.4); color: #10b981; position: relative; }
.user-status-badge.status-premium:hover { background: rgba(16, 185, 129, 0.25); border-color: rgba(16, 185, 129, 0.6); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4); }
.user-status-badge.status-premium::after { content: '✨'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); animation: sparkle 2s ease-in-out infinite; }
@keyframes sparkle { 0%, 100% { opacity: 0.6; transform: translateY(-50%) scale(0.8); } 50% { opacity: 1; transform: translateY(-50%) scale(1); } }
.user-status-badge .status-text, .user-status-badge .upgrade-hint { display: inline-block; line-height: 1.2; vertical-align: baseline; font-family: inherit; margin: 0; padding: 0; }
.user-status-badge .status-text { font-size: 13px; font-weight: 500; }
.user-status-badge .upgrade-hint { font-size: 12px; font-weight: 400; opacity: 0.9; }
.recording-panel { background: var(--screen-card-bg); border-radius: 16px; padding: 30px; margin-bottom: 30px; border: 1px solid var(--screen-border); }
.recording-controls { display: flex; gap: 15px; justify-content: center; margin-bottom: 20px; flex-wrap: wrap; }
.recording-btn { display: flex; align-items: center; gap: 8px; padding: 12px 24px; border: none; border-radius: 12px; font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; position: relative; overflow: hidden; }
.recording-btn:before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.5s; }
.recording-btn:hover:before { left: 100%; }
.start-btn { background: linear-gradient(135deg, var(--screen-success), #059669); color: white; box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3); }
.start-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4); }
.stop-btn { background: linear-gradient(135deg, var(--screen-danger), #dc2626); color: white; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }
.stop-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4); }
.pause-btn { background: linear-gradient(135deg, var(--screen-warning), #d97706); color: white; box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3); }
.pause-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4); }
.recording-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.btn-icon { font-size: 18px; }
.recording-status { display: flex; justify-content: space-between; align-items: center; background: rgba(255, 255, 255, 0.05); padding: 15px 20px; border-radius: 12px; }
.status-indicator { display: flex; align-items: center; gap: 10px; }
.status-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--screen-text-muted); transition: all 0.3s ease; }
.status-dot.recording { background: var(--screen-danger); animation: pulse 1.5s infinite; box-shadow: 0 0 10px rgba(239, 68, 68, 0.3); }
.status-dot.paused { background: var(--screen-warning); }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.5; } 100% { opacity: 1; } }
.recording-timer { font-family: 'Courier New', monospace; font-size: 24px; font-weight: bold; color: var(--screen-text); }
.recording-timer.active { color: var(--screen-danger); }
.settings-panel { background: var(--screen-card-bg); border-radius: 16px; padding: 25px; margin-bottom: 30px; border: 1px solid var(--screen-border); }
.settings-title { font-size: 1.5rem; font-weight: 600; margin-bottom: 20px; color: var(--screen-text); }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.setting-item { display: flex; flex-direction: column; gap: 8px; }
.setting-item label { font-weight: 500; color: var(--screen-text); }
.setting-item select { padding: 10px 15px; border: 1px solid var(--screen-border); border-radius: 8px; background: var(--screen-bg); color: var(--screen-text); font-size: 14px; transition: border-color 0.3s ease; }
.setting-item select:focus { outline: none; border-color: var(--screen-primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }
.setting-hint { font-size: 12px; color: var(--screen-text-muted); margin-top: 5px; display: block; font-style: italic; }
.preview-section { background: var(--screen-card-bg); border-radius: 16px; padding: 25px; margin-bottom: 30px; border: 1px solid var(--screen-border); }
.preview-container { position: relative; border-radius: 12px; overflow: hidden; background: #000; aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; }
.preview-video { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }
.preview-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; background: rgba(255, 255, 255, 0.05); padding: 15px; border-radius: 12px; }
.info-item { display: flex; justify-content: space-between; align-items: center; }
.info-label { font-weight: 500; color: var(--screen-text-muted); }
.info-value { font-weight: 600; color: var(--screen-text); }
.recordings-section { background: var(--screen-card-bg); border-radius: 16px; padding: 25px; margin-bottom: 30px; border: 1px solid var(--screen-border); }
.section-title { font-size: 1.5rem; font-weight: 600; margin-bottom: 20px; color: var(--screen-text); }
.recordings-list { min-height: 200px; }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px; text-align: center; color: var(--screen-text-muted); }
.empty-icon { font-size: 3rem; margin-bottom: 15px; }
.empty-text { font-size: 1.2rem; font-weight: 600; margin-bottom: 8px; }
.empty-hint { font-size: 0.9rem; opacity: 0.7; }
.recording-item { display: flex; align-items: center; gap: 15px; padding: 15px; background: rgba(255, 255, 255, 0.05); border-radius: 12px; margin-bottom: 10px; transition: all 0.3s ease; animation: fadeIn 0.5s ease-out; }
.recording-item:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }
.recording-thumbnail { width: 80px; height: 45px; background: #000; border-radius: 6px; overflow: hidden; flex-shrink: 0; }
.recording-thumbnail video { width: 100%; height: 100%; object-fit: cover; }
.recording-info { flex: 1; }
.recording-name { font-weight: 600; margin-bottom: 4px; color: var(--screen-text); }
.recording-details { font-size: 12px; color: var(--screen-text-muted); }
.recording-actions { display: flex; gap: 10px; }
.action-btn { padding: 8px 16px; border: none; border-radius: 6px; font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.3s ease; }
.action-btn.primary { background: var(--screen-primary); color: white; }
.action-btn.secondary { background: var(--screen-text-muted); color: white; }
.action-btn.danger { background: var(--screen-danger); color: white; }
.action-btn.info { background: #3b82f6; color: white; }
.action-btn:hover { transform: translateY(-1px); opacity: 0.9; }
.download-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.8); display: flex; align-items: center; justify-content: center; z-index: 1000; backdrop-filter: blur(10px); }
.modal-content { background: var(--screen-card-bg); border-radius: 16px; padding: 0; max-width: 600px; width: 90%; max-height: 80vh; overflow-y: auto; border: 1px solid var(--screen-border); animation: fadeIn 0.3s ease-out; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 25px; border-bottom: 1px solid var(--screen-border); }
.modal-header h3 { margin: 0; color: var(--screen-text); }
.modal-close { background: none; border: none; font-size: 24px; color: var(--screen-text-muted); cursor: pointer; padding: 0; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: all 0.3s ease; }
.modal-close:hover { background: rgba(255, 255, 255, 0.1); color: var(--screen-text); }
.modal-body { padding: 25px; }
.download-preview { margin-bottom: 20px; }
.download-preview video { width: 100%; border-radius: 12px; background: #000; }
.format-selection { margin-bottom: 20px; }
.format-selection label { display: block; margin-bottom: 10px; font-weight: 500; color: var(--screen-text); }
.format-buttons { display: flex; gap: 10px; flex-wrap: wrap; }
.format-btn { padding: 10px 20px; border: 2px solid var(--screen-border); border-radius: 8px; background: transparent; color: var(--screen-text); cursor: pointer; transition: all 0.3s ease; font-weight: 500; }
.format-btn:hover { border-color: var(--screen-primary); background: rgba(37, 99, 235, 0.1); }
.format-btn.active { border-color: var(--screen-primary); background: var(--screen-primary); color: white; }
.watermark-notice { display: flex; align-items: center; gap: 15px; background: rgba(245, 158, 11, 0.1); border: 1px solid var(--screen-warning); border-radius: 12px; padding: 15px; margin-top: 20px; }
.notice-icon { font-size: 24px; }
.notice-text strong { color: var(--screen-warning); display: block; margin-bottom: 5px; }
.notice-text p { margin: 0; color: var(--screen-text-muted); font-size: 14px; }
.modal-footer { display: flex; gap: 15px; justify-content: flex-end; padding: 20px 25px; border-top: 1px solid var(--screen-border); }
.modal-btn { padding: 10px 20px; border: none; border-radius: 8px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.modal-btn.primary { background: var(--screen-primary); color: white; }
.modal-btn.secondary { background: var(--screen-text-muted); color: white; }
.modal-btn:hover { transform: translateY(-1px); opacity: 0.9; }
.watermark-overlay { position: absolute !important; top: 50% !important; left: 50% !important; transform: translate(-50%, -50%) !important; background: rgba(0, 0, 0, 0.8) !important; color: white !important; padding: 20px !important; border-radius: 10px !important; box-shadow: 0 4px 20px rgba(0,0,0,0.3) !important; z-index: 1000 !important; font-size: 16px !important; font-weight: bold !important; text-align: center !important; pointer-events: none !important; user-select: none !important; }
.watermark-overlay div { margin: 2px 0 !important; }
.preview-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.8); display: flex; align-items: center; justify-content: center; backdrop-filter: blur(2px); z-index: 2; transition: opacity 0.3s ease; }
.preview-overlay.hidden { opacity: 0; pointer-events: none; }
.overlay-content { text-align: center; color: white; max-width: 300px; padding: 20px; }
.overlay-icon { font-size: 3em; margin-bottom: 15px; }
.overlay-title { font-size: 1.2em; font-weight: 600; margin-bottom: 10px; color: #ffffff; }
.overlay-text { font-size: 0.9em; color: #cccccc; line-height: 1.5; }
.upgrade-notice { text-align: center; padding: 20px 0; }
.upgrade-notice h4 { font-size: 1.4em; margin-bottom: 20px; color: var(--screen-text); font-weight: 600; }
.feature-list { margin: 25px 0; text-align: left; max-width: 300px; margin-left: auto; margin-right: auto; }
.feature-item { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; padding: 8px 0; }
.feature-icon { font-size: 1.2em; width: 24px; text-align: center; }
.feature-item span:last-child { color: var(--screen-text); font-weight: 500; }
.upgrade-hint { margin-top: 20px; font-size: 1.1em; color: var(--screen-primary); font-weight: 600; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { transform: translateX(-100%); } to { transform: translateX(0); } }
@media (max-width: 768px) {
    .screen-recorder-container { padding: 15px; }
    .page-title { font-size: 2rem; }
    .recording-controls { flex-direction: column; align-items: center; }
    .recording-btn { width: 100%; max-width: 200px; justify-content: center; }
    .settings-grid { grid-template-columns: 1fr; }
    .preview-info { grid-template-columns: 1fr; }
    .recording-item { flex-direction: column; text-align: center; }
    .recording-actions { justify-content: center; }
    .modal-content { margin: 20px; width: calc(100% - 40px); }
    .modal-footer { flex-direction: column; }
}