:root{--color-primary: #0ea5e9;--color-primary-light: #38bdf8;--color-primary-dark: #0284c7;--color-primary-tint-8: rgba(14, 165, 233, .08);--color-primary-tint-15: rgba(14, 165, 233, .15);--color-primary-tint-25: rgba(14, 165, 233, .25);--color-primary-border: rgba(14, 165, 233, .2);--color-black: #1a1a1a;--color-gray-900: #262626;--color-gray-700: #404040;--color-gray-600: #525252;--color-gray-500: #666666;--color-gray-400: #999999;--color-gray-300: #cccccc;--color-gray-200: #d4d4d4;--color-gray-100: #e5e5e5;--color-gray-50: #f0f0f0;--color-white: #ffffff;--color-canvas: #fdfcfb;--color-surface: #ffffff;--color-success: #22c55e;--color-success-light: #dcfce7;--color-error: #ef4444;--color-error-light: #fee2e2;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--font-serif: "Instrument Serif", Georgia, serif;--font-sans: "DM Sans", system-ui, sans-serif;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .02);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .03);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .08);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .12);--shadow-colored: 0 20px 40px rgba(14, 165, 233, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 100px;--ease-default: cubic-bezier(.4, 0, .2, 1);--ease-bounce: cubic-bezier(.34, 1.56, .64, 1);--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s}body{background:var(--color-canvas);color:var(--color-black);line-height:1.5;font-family:var(--font-sans)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.container{max-width:600px;margin:0 auto;padding:24px;min-height:100vh;display:flex;flex-direction:column}.player-card{background:var(--color-surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);overflow:hidden;margin-top:auto;margin-bottom:auto;animation:fadeInUp .7s var(--ease-default) forwards}.header{padding:32px 24px;text-align:center;border-bottom:1px solid var(--color-gray-100)}.logo{font-family:var(--font-serif);font-size:16px;font-weight:400;font-style:italic;color:var(--color-primary);margin-bottom:20px;letter-spacing:.02em}.article-title{font-family:var(--font-serif);font-size:24px;font-weight:400;margin-bottom:12px;line-height:1.3;color:var(--color-black)}.article-meta{font-family:var(--font-sans);font-size:14px;color:var(--color-gray-500)}.player-content{padding:32px 24px}.status-container{text-align:center;padding:40px 0}.spinner{width:48px;height:48px;border:3px solid var(--color-primary-tint-15);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 24px}.status-text{font-family:var(--font-sans);font-size:16px;font-weight:500;color:var(--color-gray-600);margin-bottom:8px;display:flex;align-items:center;justify-content:center;gap:8px}.status-subtext{font-family:var(--font-sans);font-size:14px;color:var(--color-gray-400)}.progress-bar-container{margin-top:24px}.progress-bar-bg{height:6px;background:var(--color-primary-tint-15);border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));border-radius:3px;transition:width var(--duration-normal) var(--ease-default)}.audio-controls{display:flex;flex-direction:column;gap:24px}.play-button-container{display:flex;justify-content:center;align-items:center;gap:24px}.skip-button{width:48px;height:48px;border:none;background:var(--color-primary-tint-8);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--color-primary);transition:all var(--duration-fast) var(--ease-default)}.skip-button:hover{background:var(--color-primary-tint-15);transform:scale(1.05)}.skip-button:active{transform:scale(.95)}.skip-button svg{width:20px;height:20px}.play-button{width:72px;height:72px;border:none;background:var(--color-primary);color:var(--color-white);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-colored);transition:all var(--duration-fast) var(--ease-default)}.play-button:hover{opacity:.9;transform:scale(1.05)}.play-button:active{transform:scale(.95)}.play-button svg{width:28px;height:28px}.seek-container{display:flex;align-items:center;gap:12px}.time-display{font-family:var(--font-sans);font-size:13px;font-variant-numeric:tabular-nums;color:var(--color-gray-500);min-width:45px}.time-display.right{text-align:right}.seek-bar{flex:1;height:6px;-webkit-appearance:none;background:var(--color-primary-tint-15);border-radius:3px;cursor:pointer}.seek-bar::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:var(--color-primary);border-radius:50%;cursor:pointer;box-shadow:0 2px 8px #0ea5e94d;transition:transform var(--duration-fast) var(--ease-default)}.seek-bar::-webkit-slider-thumb:hover{transform:scale(1.1)}.seek-bar::-moz-range-thumb{width:18px;height:18px;background:var(--color-primary);border-radius:50%;cursor:pointer;border:none;box-shadow:0 2px 8px #0ea5e94d}.secondary-controls{display:flex;justify-content:center;gap:16px}.control-button{padding:10px 18px;border:1px solid var(--color-gray-100);background:var(--color-surface);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-sans);font-size:13px;font-weight:500;color:var(--color-gray-700);transition:all var(--duration-fast) var(--ease-default)}.control-button:hover{border-color:var(--color-primary);color:var(--color-primary)}.control-button.active{background:var(--color-primary);color:var(--color-white);border-color:var(--color-primary)}.volume-control{display:flex;align-items:center;gap:8px}.volume-button{width:40px;height:40px;border:1px solid var(--color-gray-100);background:var(--color-surface);border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--color-gray-600);transition:all var(--duration-fast) var(--ease-default)}.volume-button:hover{border-color:var(--color-primary);color:var(--color-primary)}.volume-button svg{width:18px;height:18px}.volume-slider{width:80px;height:6px;-webkit-appearance:none;background:var(--color-primary-tint-15);border-radius:3px;cursor:pointer}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;background:var(--color-primary);border-radius:50%;cursor:pointer}.volume-slider::-moz-range-thumb{width:14px;height:14px;background:var(--color-primary);border-radius:50%;cursor:pointer;border:none}.footer{padding:20px 24px;border-top:1px solid var(--color-gray-100);text-align:center}.podcast-cta{font-family:var(--font-sans);font-size:14px;color:var(--color-gray-500);margin-bottom:12px}.podcast-button{display:inline-flex;align-items:center;gap:10px;padding:12px 24px;background:var(--color-primary-tint-8);border:1px solid var(--color-gray-100);border-radius:var(--radius-md);color:var(--color-black);text-decoration:none;font-family:var(--font-sans);font-size:14px;font-weight:500;transition:all var(--duration-normal) var(--ease-default)}.podcast-button:hover{background:var(--color-primary-tint-15);border-color:var(--color-primary);transform:translateY(-2px)}.podcast-button svg{width:18px;height:18px;color:var(--color-primary)}.error-container{text-align:center;padding:40px 0}.error-icon{width:64px;height:64px;margin:0 auto 20px;background:var(--color-error-light);border-radius:50%;display:flex;align-items:center;justify-content:center}.error-icon svg{width:32px;height:32px;color:var(--color-error)}.error-message{font-family:var(--font-sans);font-size:16px;color:var(--color-error);margin-bottom:24px;line-height:1.5}.retry-button{padding:14px 28px;background:var(--color-primary);color:var(--color-white);border:none;border-radius:var(--radius-md);cursor:pointer;font-family:var(--font-sans);font-size:15px;font-weight:500;transition:all var(--duration-fast) var(--ease-default)}.retry-button:hover{opacity:.9;transform:translateY(-1px)}@media (max-width: 480px){.container{padding:16px}.header{padding:24px 20px}.article-title{font-size:20px}.player-content{padding:24px 20px}.play-button{width:64px;height:64px}.play-button svg{width:24px;height:24px}.skip-button{width:44px;height:44px}}