@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700&display=swap";:root{--color-primary: #0d9488;--color-primary-light: #14b8a6;--color-primary-dark: #0f766e;--color-primary-glow: rgba(20, 184, 166, .2);--color-secondary: #1e40af;--color-secondary-light: #3b82f6;--tier-platinum: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 25%, #a8a8a8 50%, #e0e0e0 75%, #c0c0c0 100%);--tier-platinum-solid: #d1d5db;--tier-gold: linear-gradient(135deg, #b8860b 0%, #ffd700 25%, #daa520 50%, #ffd700 75%, #b8860b 100%);--tier-gold-solid: #eab308;--tier-silver: linear-gradient(135deg, #708090 0%, #c0c0c0 25%, #a8a8a8 50%, #c0c0c0 75%, #708090 100%);--tier-silver-solid: #9ca3af;--tier-bronze: linear-gradient(135deg, #8b4513 0%, #cd853f 25%, #d2691e 50%, #cd853f 75%, #8b4513 100%);--tier-bronze-solid: #d97706;--bg-primary: #030712;--bg-secondary: #0a0f1a;--bg-card: #111827;--bg-elevated: #1f2937;--bg-hover: #374151;--text-primary: #f9fafb;--text-secondary: #9ca3af;--text-muted: #6b7280;--text-accent: #14b8a6;--border-default: #1f2937;--border-subtle: #374151;--border-accent: #0d9488;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Playfair Display", Georgia, serif;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .4);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .5);--shadow-glow: 0 0 60px rgba(20, 184, 166, .15);--shadow-glow-strong: 0 0 80px rgba(20, 184, 166, .25);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-layout{display:flex;min-height:100vh}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border-default);display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto;z-index:100}.sidebar-header{padding:var(--space-6);border-bottom:1px solid var(--border-default)}.logo{display:flex;align-items:center;gap:var(--space-3);text-decoration:none;color:var(--text-primary)}.logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:var(--shadow-glow)}.logo-text{font-family:var(--font-display);font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.logo-subtitle{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.user-profile{padding:var(--space-6);border-bottom:1px solid var(--border-default)}.user-card{background:var(--bg-card);border-radius:var(--radius-xl);padding:var(--space-5);border:1px solid var(--border-default)}.user-header{display:flex;align-items:center;gap:var(--space-4);margin-bottom:var(--space-4)}.user-avatar{width:48px;height:48px;border-radius:var(--radius-full);background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-size:1.25rem;border:2px solid var(--border-subtle)}.user-info{flex:1}.user-name{font-weight:600;font-size:.95rem;margin-bottom:2px}.user-email{font-size:.75rem;color:var(--text-muted)}.tier-badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.tier-badge.platinum{background:var(--tier-platinum);color:#1f2937}.tier-badge.gold{background:var(--tier-gold);color:#1f2937}.tier-badge.silver{background:var(--tier-silver);color:#1f2937}.tier-badge.bronze{background:var(--tier-bronze);color:#fff}.tier-selector{margin-top:var(--space-4)}.tier-selector-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-2)}.tier-buttons{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-2)}.tier-btn{padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-elevated);color:var(--text-secondary);font-size:.75rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);display:flex;align-items:center;gap:var(--space-2)}.tier-btn:hover{background:var(--bg-hover);border-color:var(--color-primary)}.tier-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.sidebar-nav{flex:1;padding:var(--space-4)}.nav-section{margin-bottom:var(--space-6)}.nav-section-title{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.15em;padding:0 var(--space-3);margin-bottom:var(--space-2)}.nav-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);color:var(--text-secondary);text-decoration:none;font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);border:none;background:transparent;width:100%;text-align:left}.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}.nav-item.active{background:var(--color-primary-glow);color:var(--color-primary-light);border:1px solid rgba(20,184,166,.3)}.nav-item-icon{font-size:1.1rem;width:24px;text-align:center}.nav-item-badge{margin-left:auto;background:var(--color-primary);color:#fff;font-size:.7rem;font-weight:600;padding:2px 8px;border-radius:var(--radius-full)}.main-content{flex:1;margin-left:280px;min-height:100vh;background:var(--bg-primary)}.page-header{padding:var(--space-6) var(--space-8);border-bottom:1px solid var(--border-default);background:var(--bg-secondary);position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.page-header-content{display:flex;align-items:center;justify-content:space-between}.page-title{font-family:var(--font-display);font-size:1.75rem;font-weight:600;letter-spacing:-.02em}.page-subtitle{font-size:.875rem;color:var(--text-secondary);margin-top:var(--space-1)}.search-bar{display:flex;align-items:center;gap:var(--space-3);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-full);padding:var(--space-2) var(--space-4);width:320px;transition:all var(--transition-base)}.search-bar:focus-within{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}.search-bar input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:.875rem;outline:none}.search-bar input::-moz-placeholder{color:var(--text-muted)}.search-bar input::placeholder{color:var(--text-muted)}.page-content{padding:var(--space-8)}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--space-6)}.project-card{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);overflow:hidden;transition:all var(--transition-slow);cursor:pointer}.project-card:hover{border-color:var(--color-primary);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.project-card.locked{opacity:.5;cursor:not-allowed}.project-card.locked:hover{transform:none;box-shadow:none;border-color:var(--border-default)}.project-image{height:180px;background:linear-gradient(135deg,var(--bg-elevated) 0%,var(--bg-card) 100%);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.project-image:before{content:"🏗️";font-size:3rem;opacity:.3}.project-tier-badge{position:absolute;top:var(--space-3);left:var(--space-3)}.project-units-badge{position:absolute;top:var(--space-3);right:var(--space-3);background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:.7rem;color:var(--text-secondary)}.project-body{padding:var(--space-5)}.project-location{display:flex;align-items:center;gap:var(--space-2);font-size:.75rem;color:var(--color-primary-light);margin-bottom:var(--space-2)}.project-name{font-size:1.1rem;font-weight:600;margin-bottom:var(--space-2);line-height:1.3}.project-description{font-size:.8rem;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:var(--space-4)}.project-footer{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-4);border-top:1px solid var(--border-default)}.project-price{font-size:1.25rem;font-weight:700;color:var(--color-primary-light)}.project-price-label{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.project-developer{text-align:right}.project-developer-name{font-size:.75rem;color:var(--text-secondary)}.project-developer-rating{font-size:.7rem;color:var(--tier-gold-solid)}.project-detail{display:grid;grid-template-columns:1fr 400px;gap:var(--space-8);height:calc(100vh - 80px)}.project-info{overflow-y:auto;padding-right:var(--space-4)}.project-hero{height:300px;background:linear-gradient(135deg,var(--bg-elevated) 0%,var(--bg-card) 100%);border-radius:var(--radius-2xl);display:flex;align-items:center;justify-content:center;font-size:5rem;margin-bottom:var(--space-6);position:relative}.project-hero:before{content:"🏗️";opacity:.3}.back-button{position:absolute;top:var(--space-4);left:var(--space-4);background:#00000080;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:none;color:#fff;padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);font-size:.875rem;cursor:pointer;display:flex;align-items:center;gap:var(--space-2);transition:all var(--transition-base)}.back-button:hover{background:#000000b3}.project-detail-header{margin-bottom:var(--space-6)}.project-detail-title{font-family:var(--font-display);font-size:2rem;font-weight:600;margin-bottom:var(--space-2)}.project-detail-location{color:var(--color-primary-light);font-size:1rem;display:flex;align-items:center;gap:var(--space-2)}.project-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4);margin-bottom:var(--space-6)}.stat-box{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--space-4);text-align:center}.stat-value{font-size:1.5rem;font-weight:700;color:var(--color-primary-light);margin-bottom:var(--space-1)}.stat-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.project-section{margin-bottom:var(--space-6)}.section-title{font-size:1rem;font-weight:600;margin-bottom:var(--space-4);display:flex;align-items:center;gap:var(--space-2)}.amenities-grid{display:flex;flex-wrap:wrap;gap:var(--space-2)}.amenity-tag{background:var(--bg-card);border:1px solid var(--border-default);padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);font-size:.75rem;color:var(--text-secondary)}.payment-schedule{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);overflow:hidden}.payment-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4);border-bottom:1px solid var(--border-default)}.payment-item:last-child{border-bottom:none}.payment-milestone{font-weight:500}.payment-percentage{color:var(--color-primary-light);font-weight:600}.chat-panel{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-2xl);display:flex;flex-direction:column;height:100%;overflow:hidden}.chat-header{padding:var(--space-5);border-bottom:1px solid var(--border-default);background:var(--bg-card)}.chat-header-title{font-weight:600;display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-1)}.chat-header-subtitle{font-size:.75rem;color:var(--text-muted)}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-4)}.chat-message{display:flex;gap:var(--space-3);max-width:90%;animation:messageSlide .3s ease-out}@keyframes messageSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message.user{align-self:flex-end;flex-direction:row-reverse}.chat-message.assistant{align-self:flex-start}.chat-avatar{width:32px;height:32px;border-radius:var(--radius-full);background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-size:.875rem;flex-shrink:0}.chat-message.user .chat-avatar{background:var(--color-secondary)}.chat-message.assistant .chat-avatar{background:var(--color-primary)}.chat-bubble{background:var(--bg-card);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);font-size:.875rem;line-height:1.6}.chat-message.user .chat-bubble{background:var(--color-primary);color:#fff;border-bottom-right-radius:var(--radius-sm)}.chat-message.assistant .chat-bubble{border-bottom-left-radius:var(--radius-sm)}.markdown-content{font-size:.875rem;line-height:1.7;color:var(--text-primary)}.markdown-content p{margin:0 0 .75rem}.markdown-content p:last-child{margin-bottom:0}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4{margin:1rem 0 .5rem;font-weight:600;line-height:1.3}.markdown-content h1{font-size:1.25rem}.markdown-content h2{font-size:1.1rem}.markdown-content h3{font-size:1rem}.markdown-content h4{font-size:.9rem}.markdown-content strong{font-weight:600;color:var(--color-primary-light)}.markdown-content em{font-style:italic;color:var(--text-secondary)}.markdown-content ul,.markdown-content ol{margin:.5rem 0;padding-left:1.25rem}.markdown-content li{margin:.25rem 0}.markdown-content li::marker{color:var(--color-primary)}.markdown-content code{background:var(--bg-elevated);padding:.125rem .375rem;border-radius:var(--radius-sm);font-family:Fira Code,monospace;font-size:.8rem;color:var(--color-primary-light)}.markdown-content pre{background:var(--bg-elevated);padding:.75rem;border-radius:var(--radius-md);overflow-x:auto;margin:.5rem 0}.markdown-content pre code{background:none;padding:0}.markdown-content blockquote{border-left:3px solid var(--color-primary);padding-left:.75rem;margin:.5rem 0;color:var(--text-secondary);font-style:italic}.markdown-content table{width:100%;border-collapse:collapse;margin:.5rem 0}.markdown-content th,.markdown-content td{padding:.5rem;text-align:left;border-bottom:1px solid var(--border-subtle)}.markdown-content th{font-weight:600;color:var(--text-primary);background:var(--bg-elevated)}.markdown-content a{color:var(--color-primary-light);text-decoration:underline}.markdown-content a:hover{color:var(--color-primary)}.markdown-content hr{border:none;border-top:1px solid var(--border-subtle);margin:1rem 0}.chat-input-area{padding:var(--space-4);border-top:1px solid var(--border-default);background:var(--bg-card)}.chat-input-wrapper{display:flex;gap:var(--space-3);background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:var(--space-2) var(--space-3);transition:all var(--transition-base)}.chat-input-wrapper:focus-within{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}.chat-input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:.875rem;outline:none;min-height:20px;max-height:100px;resize:none}.chat-input::-moz-placeholder{color:var(--text-muted)}.chat-input::placeholder{color:var(--text-muted)}.chat-send-btn{background:var(--color-primary);color:#fff;border:none;width:36px;height:36px;border-radius:var(--radius-lg);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-base);flex-shrink:0}.chat-send-btn:hover:not(:disabled){background:var(--color-primary-light);transform:scale(1.05)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-radius:var(--radius-lg);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);border:none}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #14b8a64d}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-subtle)}.btn-secondary:hover{background:var(--bg-elevated);border-color:var(--color-primary)}.btn-lg{padding:var(--space-4) var(--space-8);font-size:1rem}.spinner{width:20px;height:20px;border:2px solid var(--border-subtle);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.typing-dots{display:flex;gap:4px;padding:var(--space-2)}.typing-dots span{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:bounce 1.4s infinite ease-in-out}.typing-dots span:nth-child(2){animation-delay:.15s}.typing-dots span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.typing-cursor{display:inline-block;color:var(--color-primary);animation:cursorBlink .8s infinite;margin-left:2px}@keyframes cursorBlink{0%,to{opacity:1}50%{opacity:0}}.empty-state{text-align:center;padding:var(--space-16)}.empty-state-icon{font-size:4rem;margin-bottom:var(--space-6);opacity:.5}.empty-state-title{font-size:1.5rem;font-weight:600;margin-bottom:var(--space-2)}.empty-state-text{color:var(--text-secondary);max-width:400px;margin:0 auto var(--space-6)}.alert{padding:var(--space-4);border-radius:var(--radius-lg);display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4)}.alert-success{background:#10b9811a;border:1px solid var(--color-success);color:var(--color-success)}.alert-error{background:#ef44441a;border:1px solid var(--color-error);color:var(--color-error)}.alert-info{background:#3b82f61a;border:1px solid var(--color-info);color:var(--color-info)}.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4);margin-bottom:var(--space-6)}.admin-card{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-5);text-align:center;transition:all var(--transition-base)}.admin-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}.admin-card-value{font-size:2rem;font-weight:700;color:var(--color-primary-light);margin-bottom:var(--space-1)}.admin-card-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}@media(max-width:1200px){.project-detail{grid-template-columns:1fr;height:auto}.chat-panel{height:500px}}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0}.project-grid{grid-template-columns:1fr}.project-stats,.admin-grid{grid-template-columns:repeat(2,1fr)}}.media-upload{display:flex;flex-direction:column;gap:var(--space-6)}.media-upload-error{background:#ef44441a;border:1px solid var(--color-error);color:var(--color-error);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);display:flex;justify-content:space-between;align-items:center}.media-upload-error button{background:none;border:none;color:var(--color-error);cursor:pointer;font-size:1.25rem;padding:0}.media-section{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-5)}.media-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4)}.media-section-header h4{margin:0;font-size:1rem;font-weight:600}.btn-sm{padding:var(--space-2) var(--space-3);font-size:.8rem}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--space-3)}.video-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.media-item{position:relative;aspect-ratio:16/10;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-elevated);border:1px solid var(--border-subtle)}.media-item img,.media-item video{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.video-item{aspect-ratio:16/9}.media-delete-btn{position:absolute;top:var(--space-2);right:var(--space-2);width:24px;height:24px;border-radius:var(--radius-full);background:#ef4444e6;color:#fff;border:none;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition-fast)}.media-item:hover .media-delete-btn{opacity:1}.media-placeholder{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-8);color:var(--text-muted);text-align:center}.media-placeholder span{font-size:2.5rem;margin-bottom:var(--space-2);opacity:.5}.media-placeholder p{margin:0;font-size:.875rem}.upload-progress-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.upload-progress-box{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-6);text-align:center;min-width:300px}.upload-progress-box .spinner{margin:0 auto var(--space-4)}.progress-bar{background:var(--bg-elevated);border-radius:var(--radius-full);height:8px;position:relative;overflow:hidden;margin-top:var(--space-3)}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));border-radius:var(--radius-full);transition:width .3s ease}.progress-bar span{position:absolute;right:var(--space-2);top:50%;transform:translateY(-50%);font-size:.65rem;color:var(--text-muted)}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--space-3)}.video-gallery{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.gallery-item{position:relative;aspect-ratio:16/10;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-elevated);border:1px solid var(--border-subtle);cursor:pointer;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.gallery-item:hover{transform:scale(1.02);box-shadow:0 8px 24px #0000004d;border-color:var(--color-primary)}.gallery-item img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.gallery-item.video-item{aspect-ratio:16/9;cursor:default}.gallery-item.video-item:hover{transform:none}.gallery-item video{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;background:#000}.gallery-item video::-webkit-media-controls-panel{background:linear-gradient(transparent,#000000b3)}.gallery-empty{grid-column:1 / -1;text-align:center;padding:var(--space-6);color:var(--text-muted);background:var(--bg-card);border-radius:var(--radius-lg);border:1px dashed var(--border-subtle)}.gallery-empty span{font-size:2rem;display:block;margin-bottom:var(--space-2)}.lightbox-overlay{position:fixed;inset:0;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.lightbox-overlay img{max-width:90%;max-height:90%;-o-object-fit:contain;object-fit:contain;border-radius:var(--radius-lg)}.lightbox-close{position:absolute;top:var(--space-4);right:var(--space-4);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-full);width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-primary);font-size:1.5rem;z-index:1001;transition:all var(--transition-fast)}.lightbox-close:hover{background:var(--color-error);color:#fff;border-color:var(--color-error);transform:scale(1.1)}.lightbox-content{max-width:90vw;max-height:85vh;display:flex;align-items:center;justify-content:center}.lightbox-content img{max-width:100%;max-height:85vh;-o-object-fit:contain;object-fit:contain;border-radius:var(--radius-lg);box-shadow:0 20px 60px #00000080}.lightbox-content video{max-width:90vw;max-height:85vh;border-radius:var(--radius-lg);box-shadow:0 20px 60px #00000080}.lightbox-hint{position:absolute;bottom:var(--space-4);left:50%;transform:translate(-50%);color:var(--text-muted);font-size:.8rem;padding:var(--space-2) var(--space-4);background:#00000080;border-radius:var(--radius-full)}.gallery-zoom-hint{position:absolute;bottom:0;left:0;right:0;padding:var(--space-2);background:linear-gradient(transparent,#000c);color:#fff;font-size:.75rem;text-align:center;opacity:0;transition:opacity var(--transition-fast)}.gallery-item:hover .gallery-zoom-hint{opacity:1}.gallery-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:var(--radius-full);background:#0009;color:#fff;font-size:1.8rem;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.gallery-item.video-item:hover .gallery-play-btn{background:var(--color-primary);transform:translate(-50%,-50%) scale(1.1)}