@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";.navbar{background:var(--glass-background);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--color-border-light);position:sticky;top:0;z-index:var(--z-index-sticky);transition:all var(--transition-base)}.navbar:after{content:"";position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--color-primary-500) 50%,transparent);opacity:.5}.navbar-content{max-width:1400px;margin:0 auto;padding:0 var(--spacing-6);display:flex;justify-content:space-between;align-items:center;height:var(--navbar-height)}.navbar-logo{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-primary-500);text-decoration:none;transition:all var(--transition-fast);display:flex;align-items:center;gap:var(--spacing-2);letter-spacing:var(--letter-spacing-tight)}.navbar-logo span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:var(--font-weight-extrabold)}.navbar-logo:hover{transform:translateY(-1px);opacity:.9}.navbar-menu{display:flex;align-items:center;gap:var(--spacing-8)}.nav-link{text-decoration:none;color:var(--color-text-primary);font-weight:var(--font-weight-medium);font-size:var(--font-size-base);transition:all var(--transition-fast);position:relative;padding:var(--spacing-2) 0}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient-primary);transition:width var(--transition-smooth)}.nav-link:hover{color:var(--color-primary-500)}.nav-link:hover:after{width:100%}.admin-link{color:var(--color-error);font-weight:var(--font-weight-semibold)}.admin-link:after{background:var(--gradient-error)}.admin-link:hover{color:var(--color-error-dark)}.nav-credit-badge{display:flex;align-items:center;gap:var(--spacing-2);background:var(--gradient-primary);color:var(--color-text-inverse);padding:var(--spacing-2) var(--spacing-5);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);box-shadow:var(--shadow-primary);transition:all var(--transition-smooth);position:relative;overflow:hidden}.nav-credit-badge:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.2) 0%,transparent 70%);opacity:0;transition:opacity var(--transition-smooth)}.nav-credit-badge:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.nav-credit-badge:hover:before{opacity:1}.nav-user{display:flex;align-items:center;gap:var(--spacing-4);padding-left:var(--spacing-4);border-left:2px solid var(--color-gray-200)}.nav-username{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);letter-spacing:var(--letter-spacing-wide)}.nav-logout-btn{background:var(--color-background-primary);border:2px solid var(--color-gray-300);padding:var(--spacing-2) var(--spacing-4);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;color:var(--color-text-secondary);transition:all var(--transition-smooth)}.nav-logout-btn:hover{background:var(--color-gray-100);border-color:var(--color-gray-400);color:var(--color-text-primary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.nav-logout-btn:active{transform:translateY(0)}.btn-small{padding:var(--spacing-2) var(--spacing-5);font-size:var(--font-size-sm);border-radius:var(--radius-md)}.protected-loading{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:var(--font-size-2xl);color:var(--color-text-secondary)}@media (max-width: 1024px){.navbar-content{padding:0 var(--spacing-5)}.navbar-menu{gap:var(--spacing-6)}}@media (max-width: 768px){.navbar-content{padding:0 var(--spacing-4);height:60px}.navbar-logo{font-size:var(--font-size-lg)}.navbar-menu{gap:var(--spacing-4)}.nav-link{font-size:var(--font-size-sm)}.nav-username{display:none}.nav-credit-badge{font-size:var(--font-size-xs);padding:var(--spacing-2) var(--spacing-3)}.nav-user{padding-left:var(--spacing-3);gap:var(--spacing-3)}.nav-logout-btn{padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-xs)}}@media (max-width: 480px){.navbar-logo span{display:none}.navbar-menu{gap:var(--spacing-2)}.nav-link:after{display:none}}.balance-widget{background:linear-gradient(135deg,var(--color-background-primary) 0%,var(--color-gray-50) 100%);border-radius:var(--radius-2xl);padding:var(--spacing-8);box-shadow:var(--shadow-lg);width:320px;min-height:200px;border:1px solid var(--color-border-light);transition:all var(--transition-smooth);display:flex;flex-direction:column;position:relative;overflow:hidden}.balance-widget:before{content:"";position:absolute;top:0;right:0;width:150px;height:150px;background:radial-gradient(circle,rgba(102,126,234,.08) 0%,transparent 70%);border-radius:var(--radius-full);pointer-events:none}.balance-widget:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px);border-color:var(--color-primary-200)}.balance-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-4);height:30px;position:relative;z-index:1}.balance-header h3{margin:0;font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1;font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-wide);text-transform:uppercase}.refresh-btn{background:var(--color-background-primary);border:2px solid var(--color-primary-200);border-radius:var(--radius-full);width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-smooth);color:var(--color-primary-500)}.refresh-btn:hover:not(:disabled){background:var(--gradient-primary);color:var(--color-text-inverse);transform:rotate(90deg) scale(1.05);border-color:transparent;box-shadow:var(--shadow-primary)}.refresh-btn:active:not(:disabled){transform:rotate(90deg) scale(.95)}.refresh-btn:disabled{opacity:.5;cursor:not-allowed}.balance-amount{display:flex;align-items:center;justify-content:center;gap:var(--spacing-2);margin-bottom:var(--spacing-3);height:60px;flex:1;position:relative;z-index:1}.balance-number{font-size:52px;font-weight:var(--font-weight-extrabold);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;letter-spacing:var(--letter-spacing-tight)}.balance-label{font-size:var(--font-size-lg);color:var(--color-text-tertiary);font-weight:var(--font-weight-medium)}.loading-spinner{font-size:42px;display:flex;align-items:center;justify-content:center;color:var(--color-primary-500)}.balance-info{font-size:var(--font-size-sm);color:var(--color-text-secondary);padding-top:var(--spacing-3);border-top:2px solid var(--color-gray-200);height:40px;display:flex;align-items:center;position:relative;z-index:1}.balance-info p{margin:0;line-height:var(--line-height-normal);font-weight:var(--font-weight-medium)}.buy-credits-container{max-width:1200px;margin:0 auto;padding:var(--spacing-12) var(--spacing-6)}.buy-credits-container h1{text-align:center;margin-bottom:var(--spacing-3);color:var(--color-text-primary);font-size:var(--font-size-4xl);font-weight:var(--font-weight-extrabold)}.subtitle{text-align:center;color:var(--color-text-secondary);margin-bottom:var(--spacing-12);font-size:var(--font-size-lg)}.packages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-8);margin-bottom:var(--spacing-12)}.package-card{background:var(--color-background-primary);border-radius:var(--radius-2xl);padding:var(--spacing-10);box-shadow:var(--shadow-lg);text-align:center;transition:all var(--transition-smooth);position:relative;border:2px solid var(--color-border-light);overflow:hidden}.package-card:before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-smooth)}.package-card:hover:before{transform:scaleX(1)}.package-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:var(--shadow-2xl);border-color:var(--color-primary-300)}.package-card.recommended{border:3px solid var(--color-primary-500);box-shadow:var(--shadow-primary);background:linear-gradient(135deg,var(--color-primary-50) 0%,var(--color-background-primary) 100%)}.package-card.recommended:before{transform:scaleX(1);height:8px}.package-card.recommended:hover{box-shadow:0 20px 60px #667eea66;transform:translateY(-12px) scale(1.03)}.recommended-badge{position:absolute;top:-16px;left:50%;transform:translate(-50%);background:var(--gradient-primary);color:var(--color-text-inverse);padding:var(--spacing-2) var(--spacing-5);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:var(--letter-spacing-wider);box-shadow:var(--shadow-primary)}.package-credits{font-size:64px;font-weight:var(--font-weight-extrabold);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:var(--spacing-3) 0;line-height:1}.package-label{font-size:var(--font-size-lg);color:var(--color-text-tertiary);margin-bottom:var(--spacing-6);font-weight:var(--font-weight-medium)}.package-price{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-3)}.package-savings{background:var(--gradient-success);color:var(--color-text-inverse);padding:var(--spacing-2) var(--spacing-4);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);margin-bottom:var(--spacing-6);display:inline-block;box-shadow:var(--shadow-success)}.package-info{font-size:var(--font-size-sm);color:var(--color-text-muted);margin-top:var(--spacing-4);line-height:var(--line-height-relaxed)}.payment-info{text-align:center;padding:var(--spacing-10);background:linear-gradient(135deg,var(--color-gray-50) 0%,var(--color-background-primary) 100%);border-radius:var(--radius-2xl);border:2px solid var(--color-border-light)}.payment-info p{margin:var(--spacing-3) 0;color:var(--color-text-secondary);font-size:var(--font-size-base);line-height:var(--line-height-relaxed)}.checkout-container{max-width:600px;margin:0 auto;background:var(--color-background-primary);padding:var(--spacing-12);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);border:1px solid var(--color-border-light)}.back-btn{background:none;border:none;color:var(--color-primary-500);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;margin-bottom:var(--spacing-6);padding:var(--spacing-2) 0;transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:var(--spacing-2)}.back-btn:hover{color:var(--color-primary-700);transform:translate(-4px)}.checkout-container h2{text-align:center;margin-bottom:var(--spacing-3);color:var(--color-text-primary);font-size:var(--font-size-3xl);font-weight:var(--font-weight-extrabold)}.checkout-price{text-align:center;font-size:var(--font-size-4xl);font-weight:var(--font-weight-extrabold);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-10)}.payment-form{display:flex;flex-direction:column;gap:var(--spacing-6)}.success-message{text-align:center;padding:var(--spacing-16);background:var(--color-background-primary);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);border:2px solid var(--color-success);animation:fadeIn .6s ease-out}.success-message h2{color:var(--color-success);margin-bottom:var(--spacing-4);font-size:var(--font-size-3xl);font-weight:var(--font-weight-extrabold)}.success-message p{color:var(--color-text-secondary);font-size:var(--font-size-lg);line-height:var(--line-height-relaxed)}@media (max-width: 768px){.buy-credits-container{padding:var(--spacing-8) var(--spacing-5)}.packages-grid{grid-template-columns:1fr;gap:var(--spacing-6)}.package-card{padding:var(--spacing-8)}.package-credits{font-size:52px}.checkout-container{padding:var(--spacing-8)}}@media (max-width: 480px){.balance-widget{width:100%}.balance-number{font-size:42px}.package-credits{font-size:44px}.checkout-price{font-size:var(--font-size-3xl)}}.page-container{min-height:calc(100vh - var(--navbar-height));padding:var(--spacing-8) var(--spacing-6)}.home-hero{text-align:center;padding:var(--spacing-12) var(--spacing-10);background:linear-gradient(135deg,#5568d3,#6b21a8);color:var(--color-text-inverse);border-radius:var(--radius-2xl);margin-bottom:var(--spacing-12);box-shadow:var(--shadow-2xl);position:relative;overflow:hidden;animation:fadeIn .8s ease-out}.home-hero:before{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.12) 0%,transparent 70%);pointer-events:none;animation:pulse 3s ease-in-out infinite}.home-hero:after{content:"";position:absolute;bottom:-30%;left:-10%;width:300px;height:300px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);pointer-events:none}.hero-title-wrapper{display:flex;align-items:center;justify-content:center;gap:var(--spacing-4);margin-bottom:var(--spacing-5)}.hero-title-wrapper svg{flex-shrink:0;filter:drop-shadow(0 2px 8px rgba(0,0,0,.2))}.home-hero h1{font-size:var(--font-size-4xl);margin:0;font-weight:var(--font-weight-extrabold);letter-spacing:var(--letter-spacing-tight);position:relative;z-index:1;text-shadow:0 2px 12px rgba(0,0,0,.2);line-height:1.1}.hero-subtitle{font-size:var(--font-size-lg);color:#fffffff2;font-weight:var(--font-weight-normal);line-height:var(--line-height-relaxed);position:relative;z-index:1;max-width:600px;margin:0 auto;text-shadow:0 2px 8px rgba(0,0,0,.3)}.home-content{max-width:1200px;margin:0 auto}.welcome-section{text-align:center;margin-bottom:var(--spacing-12);animation:slideInRight .6s ease-out}.welcome-section h2{font-size:var(--font-size-3xl);color:var(--color-text-primary);margin-bottom:var(--spacing-3);font-weight:var(--font-weight-bold)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-8);margin-bottom:var(--spacing-16)}.action-card{background:var(--color-background-primary);border-radius:var(--radius-2xl);padding:var(--spacing-10);box-shadow:var(--shadow-lg);text-align:center;transition:all var(--transition-smooth);border:1px solid var(--color-border-light);position:relative;overflow:hidden}.action-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-smooth)}.action-card:hover:before{transform:scaleX(1)}.action-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2xl);border-color:var(--color-primary-200)}.action-card h3{font-size:var(--font-size-2xl);margin:var(--spacing-6) 0 0 0;color:var(--color-text-primary);font-weight:var(--font-weight-bold)}.action-card p{color:var(--color-text-secondary);margin:var(--spacing-4) 0 var(--spacing-8);font-size:var(--font-size-base);line-height:var(--line-height-relaxed)}.admin-card{border:2px solid var(--color-error);background:linear-gradient(135deg,#fff5f5,#fff)}.admin-card:before{background:var(--gradient-error)}.admin-card:hover{border-color:var(--color-error);box-shadow:var(--shadow-error)}.info-section{background:linear-gradient(135deg,var(--color-gray-50) 0%,var(--color-background-primary) 100%);border-radius:var(--radius-2xl);padding:var(--spacing-12) var(--spacing-10);text-align:center;border:1px solid var(--color-border-light)}.info-section h3{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-10);color:var(--color-text-primary);font-weight:var(--font-weight-bold)}.info-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--spacing-10)}.info-step{text-align:center;transition:transform var(--transition-smooth)}.info-step:hover{transform:translateY(-5px)}.step-number{width:64px;height:64px;background:var(--gradient-primary);color:var(--color-text-inverse);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-2xl);font-weight:var(--font-weight-extrabold);margin:0 auto var(--spacing-4) auto;box-shadow:var(--shadow-primary);position:relative}.step-number:before{content:"";position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:var(--radius-full);padding:2px;background:var(--gradient-primary);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.3}.info-step h4{font-size:var(--font-size-lg);margin-bottom:var(--spacing-2);color:var(--color-text-primary);font-weight:var(--font-weight-semibold)}.info-step p{color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed)}.guest-content{max-width:1200px;margin:0 auto}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-8);margin-bottom:var(--spacing-16)}.feature-card{background:var(--color-background-primary);border-radius:var(--radius-xl);padding:var(--spacing-8);text-align:center;box-shadow:var(--shadow-md);border:1px solid var(--color-border-light);transition:all var(--transition-smooth)}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl);border-color:var(--color-primary-200)}.feature-icon{font-size:var(--font-size-5xl);margin-bottom:var(--spacing-4);filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.feature-card h3{font-size:var(--font-size-xl);margin-bottom:var(--spacing-3);color:var(--color-text-primary);font-weight:var(--font-weight-bold)}.feature-card p{color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed)}.cta-section{text-align:center;padding:var(--spacing-16) var(--spacing-8);background:var(--gradient-primary);color:var(--color-text-inverse);border-radius:var(--radius-2xl);box-shadow:var(--shadow-2xl);position:relative;overflow:hidden}.cta-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');opacity:.3}.cta-section h2{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-8);font-weight:var(--font-weight-extrabold);position:relative;z-index:1}.cta-buttons{display:flex;gap:var(--spacing-6);justify-content:center;flex-wrap:wrap;position:relative;z-index:1}.btn-large{padding:var(--spacing-5) var(--spacing-12);font-size:var(--font-size-lg);border-radius:var(--radius-xl)}.stream-content{display:grid;grid-template-columns:1fr 400px;gap:var(--spacing-8);max-width:1400px;margin:0 auto}.stream-main{min-height:600px}.stream-chat{position:sticky;top:calc(var(--navbar-height) + var(--spacing-8));height:fit-content}.stream-placeholder,.admin-placeholder{max-width:900px;margin:0 auto;text-align:center;padding:var(--spacing-16) var(--spacing-8)}.stream-placeholder h1,.admin-placeholder h1{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-4);color:var(--color-text-primary);font-weight:var(--font-weight-extrabold)}.stream-placeholder p,.admin-placeholder p{color:var(--color-text-secondary);margin-bottom:var(--spacing-10);font-size:var(--font-size-lg)}.placeholder-box{background:linear-gradient(135deg,var(--color-gray-50) 0%,var(--color-background-primary) 100%);border:3px dashed var(--color-gray-300);border-radius:var(--radius-2xl);padding:var(--spacing-20) var(--spacing-10);margin-top:var(--spacing-10);transition:all var(--transition-smooth)}.placeholder-box:hover{border-color:var(--color-primary-400);background:linear-gradient(135deg,var(--color-primary-50) 0%,var(--color-background-primary) 100%)}.placeholder-box p{font-size:var(--font-size-lg);color:var(--color-text-tertiary);margin:var(--spacing-4) 0}.placeholder-sections{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-8);margin-top:var(--spacing-10)}.placeholder-section{background:var(--color-background-primary);border-radius:var(--radius-xl);padding:var(--spacing-8);box-shadow:var(--shadow-md);border:1px solid var(--color-border-light);transition:all var(--transition-smooth)}.placeholder-section:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--color-primary-200)}.placeholder-section h3{font-size:var(--font-size-xl);margin-bottom:var(--spacing-6);color:var(--color-text-primary);font-weight:var(--font-weight-bold)}.placeholder-section p{color:var(--color-text-secondary);font-size:var(--font-size-sm);margin:var(--spacing-3) 0;text-align:left;line-height:var(--line-height-relaxed)}.info-message{margin-top:var(--spacing-10);padding:var(--spacing-6);background:var(--color-info-light);border:2px solid var(--color-info);border-radius:var(--radius-xl);color:var(--color-info-dark);box-shadow:var(--shadow-sm)}.info-message p{margin:0;font-size:var(--font-size-base);font-weight:var(--font-weight-medium)}@media (max-width: 1024px){.page-container{padding:var(--spacing-6) var(--spacing-5)}.dashboard-grid,.feature-grid,.placeholder-sections{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}@media (max-width: 1024px){.stream-content{grid-template-columns:1fr 350px}}@media (max-width: 768px){.page-container{padding:var(--spacing-5) var(--spacing-4)}.stream-content{grid-template-columns:1fr}.stream-chat{position:relative;top:0}.home-hero{padding:var(--spacing-10) var(--spacing-6);margin-bottom:var(--spacing-8)}.hero-title-wrapper{gap:var(--spacing-3)}.hero-title-wrapper svg{width:36px;height:36px}.home-hero h1{font-size:var(--font-size-2xl)}.hero-subtitle{font-size:var(--font-size-base)}.dashboard-grid{grid-template-columns:1fr;gap:var(--spacing-6)}.action-card{padding:var(--spacing-8)}.info-section{padding:var(--spacing-8) var(--spacing-6)}.info-steps{grid-template-columns:1fr;gap:var(--spacing-8)}.cta-section h2{font-size:var(--font-size-2xl)}.btn-large{padding:var(--spacing-4) var(--spacing-8);font-size:var(--font-size-base)}}@media (max-width: 480px){.home-hero{padding:var(--spacing-8) var(--spacing-5)}.hero-title-wrapper{flex-direction:column;gap:var(--spacing-3)}.hero-title-wrapper svg{width:40px;height:40px}.home-hero h1{font-size:var(--font-size-xl)}.hero-subtitle{font-size:var(--font-size-sm)}.action-card{padding:var(--spacing-6)}.placeholder-box{padding:var(--spacing-10) var(--spacing-6)}.cta-buttons{flex-direction:column}.btn-large{width:100%}}.admin-content{display:flex;flex-direction:column;gap:var(--spacing-8)}.admin-section{background:var(--color-background-primary);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-md);border:2px solid var(--color-border-light)}.admin-section h2{margin:0 0 var(--spacing-4) 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strong{font-weight:var(--font-weight-bold)}.credit-balance{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-4);background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:2px solid #0ea5e9;border-radius:var(--radius-lg);margin:0 var(--spacing-5)}.balance-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:#0c4a6e}.balance-value{font-size:var(--font-size-base);font-weight:var(--font-weight-bold);color:#0369a1}.balance-value.low{color:#dc2626;animation:pulse-warning 2s infinite}@keyframes pulse-warning{0%,to{opacity:1}50%{opacity:.6}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.video-wrapper{aspect-ratio:4 / 3}.placeholder-content h3{font-size:var(--font-size-lg)}.placeholder-content 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var(--color-border-light);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-smooth)}.camera-option:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.camera-option.selected{background:linear-gradient(135deg,#eff6ff,#dbeafe);border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea1a}.camera-option-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-2);gap:var(--spacing-2)}.camera-option-header h4{margin:0;font-size:var(--font-size-base);font-weight:var(--font-weight-bold);color:var(--color-text-primary);flex:1}.live-indicator{display:inline-block;padding:var(--spacing-1) var(--spacing-2);background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);animation:pulse 2s infinite}.camera-option-description{margin:0 0 var(--spacing-3) 0;font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.4}.camera-option-footer{margin-top:var(--spacing-3);padding-top:var(--spacing-3);border-top:1px solid var(--color-border-light);text-align:center}.watching-label{display:inline-block;padding:var(--spacing-1) var(--spacing-3);background:var(--color-primary);color:#fff;border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold)}.watch-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:var(--font-weight-medium)}.btn-refresh{width:100%;padding:var(--spacing-3);background:var(--color-gray-100);border:2px solid var(--color-border-light);border-radius:var(--radius-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-smooth)}.btn-refresh:hover:not(:disabled){background:var(--color-gray-200);border-color:var(--color-primary)}.btn-refresh:disabled{opacity:.5;cursor:not-allowed}.camera-selector-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-10);background:var(--color-gray-50);border-radius:var(--radius-xl);border:2px dashed var(--color-border-light)}.spinner{width:40px;height:40px;border:4px solid var(--color-gray-200);border-top:4px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:var(--spacing-3)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.camera-selector-loading p{margin:0;font-size:var(--font-size-base);color:var(--color-text-secondary)}.camera-selector-error{padding:var(--spacing-6);background:var(--color-error-light);border:2px solid var(--color-error);border-radius:var(--radius-xl);text-align:center}.camera-selector-error p{margin:0 0 var(--spacing-3) 0;font-size:var(--font-size-base);color:var(--color-error-dark)}.btn-retry{padding:var(--spacing-2) var(--spacing-4);background:var(--color-error);color:#fff;border:none;border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-smooth)}.btn-retry:hover{opacity:.9;transform:translateY(-1px)}.camera-selector-empty{padding:var(--spacing-10);background:var(--color-gray-50);border-radius:var(--radius-xl);border:2px dashed var(--color-border-light);text-align:center}.empty-icon{font-size:64px;margin-bottom:var(--spacing-4);opacity:.5}.camera-selector-empty h3{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.camera-selector-empty p{margin:var(--spacing-2) 0;font-size:var(--font-size-base);color:var(--color-text-secondary)}.empty-hint{font-size:var(--font-size-sm);color:var(--color-text-tertiary);font-style:italic}@media (max-width: 768px){.cameras-grid{grid-template-columns:1fr}.camera-option-header{flex-direction:column;align-items:flex-start}.live-indicator{align-self:flex-start}}.chat-container{display:flex;flex-direction:column;height:600px;background:var(--color-background-primary);border-radius:var(--radius-xl);border:2px solid var(--color-border-light);box-shadow:var(--shadow-md);overflow:hidden}.chat-header{padding:var(--spacing-4) var(--spacing-6);background:var(--gradient-primary);color:var(--color-text-inverse);display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--color-primary-700)}.chat-header h3{margin:0;font-size:var(--font-size-lg);font-weight:var(--font-weight-bold)}.chat-status{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);padding:var(--spacing-1) var(--spacing-3);border-radius:var(--radius-full);background:#fff3}.chat-status.connected{color:var(--color-success);background:#10b98133}.chat-status.disconnected{color:var(--color-error);background:#ef444433}.chat-messages{flex:1;overflow-y:auto;padding:var(--spacing-4);display:flex;flex-direction:column;gap:var(--spacing-3);background:var(--color-gray-50)}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:var(--color-gray-100);border-radius:var(--radius-md)}.chat-messages::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:var(--radius-md)}.chat-messages::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--color-text-tertiary);font-size:var(--font-size-base)}.chat-message{padding:var(--spacing-3) var(--spacing-4);background:var(--color-background-primary);border-radius:var(--radius-lg);border-left:3px solid 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var(--spacing-4);border:2px solid var(--color-gray-300);border-radius:var(--radius-lg);font-size:var(--font-size-base);font-family:var(--font-family-primary);transition:all var(--transition-base)}.chat-input:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #667eea1a}.chat-input:disabled{background:var(--color-gray-100);cursor:not-allowed}.chat-send-btn{padding:var(--spacing-3) var(--spacing-6);background:var(--gradient-primary);color:var(--color-text-inverse);border:none;border-radius:var(--radius-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-smooth);box-shadow:var(--shadow-primary)}.chat-send-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.chat-send-btn:active:not(:disabled){transform:translateY(0)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.chat-error{padding:var(--spacing-3) var(--spacing-4);background:var(--color-error-light);border:2px solid var(--color-error);color:var(--color-error-dark);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);border-radius:var(--radius-lg);margin:var(--spacing-3) var(--spacing-4) 0;animation:fadeIn var(--transition-smooth) ease-out}.chat-login-prompt{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--spacing-10);text-align:center}.chat-login-prompt p{font-size:var(--font-size-lg);color:var(--color-text-secondary)}@media (max-width: 768px){.chat-container{height:500px}.chat-header{padding:var(--spacing-3) var(--spacing-4)}.chat-header h3{font-size:var(--font-size-base)}.chat-messages{padding:var(--spacing-3)}.chat-message{padding:var(--spacing-2) var(--spacing-3)}.chat-input-form{padding:var(--spacing-3)}.chat-send-btn{padding:var(--spacing-3) var(--spacing-4);font-size:var(--font-size-sm)}}.camera-manager{display:flex;flex-direction:column;gap:var(--spacing-6)}.camera-manager-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-4)}.camera-manager-header h2{margin:0;font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.alert{padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);animation:fadeIn .3s ease-out}.alert-error{background:var(--color-error-light);border:2px solid var(--color-error);color:var(--color-error-dark)}.alert-success{background:#d1fae5;border:2px solid #10b981;color:#065f46}.alert strong{font-weight:var(--font-weight-bold)}.camera-form-card{background:var(--color-background-primary);border-radius:var(--radius-xl);border:2px solid var(--color-border-light);padding:var(--spacing-6);box-shadow:var(--shadow-lg)}.camera-form-card h3{margin:0 0 var(--spacing-5) 0;font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.form-group{margin-bottom:var(--spacing-4)}.form-group label{display:block;margin-bottom:var(--spacing-2);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.form-group input,.form-group textarea{width:100%;padding:var(--spacing-3);border:2px solid var(--color-border-light);border-radius:var(--radius-lg);font-size:var(--font-size-base);font-family:inherit;transition:border-color var(--transition-smooth)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea1a}.form-group small{display:block;margin-top:var(--spacing-1);font-size:var(--font-size-xs);color:var(--color-text-secondary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-4)}.form-actions{display:flex;justify-content:flex-end;gap:var(--spacing-3);margin-top:var(--spacing-5);padding-top:var(--spacing-5);border-top:2px solid var(--color-border-light)}.cameras-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:var(--spacing-5)}.camera-card{background:var(--color-background-primary);border-radius:var(--radius-xl);border:2px solid var(--color-border-light);padding:var(--spacing-5);box-shadow:var(--shadow-md);transition:all var(--transition-smooth)}.camera-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-2px)}.camera-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-4);gap:var(--spacing-3)}.camera-card-header h4{margin:0 0 var(--spacing-1) 0;font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.camera-description{margin:0;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.camera-status{display:flex;flex-direction:column;gap:var(--spacing-2);align-items:flex-end}.status-badge{display:inline-block;padding:var(--spacing-1) var(--spacing-3);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:.5px}.status-active{background:#d1fae5;color:#065f46}.status-inactive{background:var(--color-gray-200);color:var(--color-gray-700)}.status-error{background:var(--color-error-light);color:var(--color-error-dark)}.status-connecting{background:#fef3c7;color:#92400e}.streaming-badge{display:inline-block;padding:var(--spacing-1) 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