:root{--bg: #fafbff;--surface: #ffffff;--surface-elevated: #ffffff;--text: #1a1a2e;--text-secondary: #64748b;--primary: #6366f1;--primary-hover: #4f46e5;--primary-active: #4338ca;--primary-light: #eef2ff;--accent: #ec4899;--accent-light: #fdf2f8;--success: #10b981;--success-bg: #ecfdf5;--warning: #f59e0b;--warning-bg: #fffbeb;--error: #ef4444;--error-bg: #fef2f2;--border: #e2e8f0;--border-light: #f1f5f9;--shadow: rgba(99, 102, 241, .08);--shadow-lg: rgba(99, 102, 241, .15);--overlay: rgba(15, 23, 42, .6);--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);--gradient-card: linear-gradient(135deg, #f8faff 0%, #faf5ff 100%);--gradient-header: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.25rem;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px var(--shadow), 0 2px 4px rgba(0, 0, 0, .04);--shadow-lg: 0 12px 24px var(--shadow-lg), 0 4px 8px rgba(0, 0, 0, .06);--shadow-glow: 0 0 20px rgba(99, 102, 241, .2);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.34, 1.56, .64, 1);--container-max: 1200px;--header-height: 4rem;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}@media (prefers-color-scheme: dark){:root{--bg: #0c0a1d;--surface: #1a1635;--surface-elevated: #231e4a;--text: #f1f5f9;--text-secondary: #a5b4cb;--primary: #818cf8;--primary-hover: #a5b4fc;--primary-active: #6366f1;--primary-light: #1e1b4b;--accent: #f472b6;--accent-light: #2d1a2e;--success: #34d399;--success-bg: #0f2a1f;--warning: #fbbf24;--warning-bg: #2a2008;--error: #f87171;--error-bg: #2a1515;--border: #2d2856;--border-light: #1f1a3d;--shadow: rgba(0, 0, 0, .4);--shadow-lg: rgba(0, 0, 0, .6);--overlay: rgba(0, 0, 0, .8);--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);--gradient-card: linear-gradient(135deg, #1a1635 0%, #1f1a3d 100%);--gradient-header: linear-gradient(135deg, #1a1635 0%, #231e4a 100%)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-family:var(--font-family);font-size:1rem;line-height:1.6;color:var(--text);background-color:var(--bg);min-height:100dvh;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background-color var(--transition-base),color var(--transition-base)}#root{min-height:100dvh;display:flex;flex-direction:column;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);padding-left:var(--safe-left);padding-right:var(--safe-right)}h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text)}h1{font-size:1.75rem;letter-spacing:-.02em}h2{font-size:1.5rem}h3{font-size:1.25rem}p{color:var(--text-secondary)}.app-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;height:var(--header-height);padding-inline:var(--space-lg);background:var(--gradient-header);color:#fff;box-shadow:0 2px 12px #6366f14d}.app-header .app-title{font-size:1.25rem;font-weight:700;color:#fff;letter-spacing:-.01em}.app-header .logout-button{background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius-full);padding:.4rem 1rem;font-size:.85rem;font-weight:500;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.app-header .logout-button:hover{background:#ffffff40}button,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:var(--space-sm) var(--space-lg);font-family:inherit;font-size:.9rem;font-weight:600;line-height:1.5;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px #6366f166}.btn-primary:active:not(:disabled){transform:scale(.97)}.btn-secondary{background-color:var(--primary-light);color:var(--primary);border:1px solid transparent}.btn-secondary:hover:not(:disabled){border-color:var(--primary)}.refresh-button,.back-button,.retry-button{background-color:var(--primary-light);color:var(--primary);border-radius:var(--radius-full);padding:.4rem 1rem;font-size:.85rem;font-weight:600;border:1px solid transparent;transition:all var(--transition-fast)}.refresh-button:hover,.back-button:hover,.retry-button:hover{background-color:var(--primary);color:#fff;box-shadow:var(--shadow-glow)}.year-card,.event-card,.card{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-lg) var(--space-xl);background:var(--gradient-card);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);min-height:56px;cursor:pointer;transition:all var(--transition-fast);-webkit-tap-highlight-color:transparent;text-align:left}.year-card:hover,.event-card:hover,.card:hover{border-color:var(--primary);box-shadow:var(--shadow-md),var(--shadow-glow);transform:translateY(-2px)}.year-card:active,.event-card:active,.card:active{transform:scale(.98)}.year-name,.event-name,.card-title{font-size:1.1rem;font-weight:600;color:var(--text)}.year-event-count,.event-photo-count,.card-subtitle{font-size:.85rem;font-weight:500;color:var(--primary);background-color:var(--primary-light);padding:.2rem .6rem;border-radius:var(--radius-full)}.years-page,.events-page,.photos-page,.search-page{padding:var(--space-lg);max-width:var(--container-max);margin:0 auto;width:100%}.years-header,.events-header,.photos-header,.search-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg);gap:var(--space-md)}.years-list,.events-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm)}.thumbnail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:6px;padding:var(--space-md) 0}.thumbnail-item{position:relative;aspect-ratio:1;overflow:hidden;border-radius:var(--radius-md);background-color:var(--surface);border:1px solid var(--border-light);cursor:pointer;transition:all var(--transition-fast);-webkit-tap-highlight-color:transparent}.thumbnail-item:hover{transform:scale(1.04);box-shadow:var(--shadow-md);border-color:var(--primary)}.thumbnail-item:active{transform:scale(.96)}.thumbnail-item img{width:100%;height:100%;object-fit:cover;display:block}.thumbnail-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--primary-light) 0%,var(--accent-light) 100%);animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.thumbnail-error{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;background:var(--error-bg);color:var(--error);font-size:.7rem;cursor:pointer}.broken-image-icon{font-size:1.5rem}.loading,.loading-indicator{display:flex;align-items:center;justify-content:center;padding:var(--space-2xl);gap:var(--space-sm);color:var(--text-secondary)}.spinner{width:2rem;height:2rem;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.error-state{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);padding:var(--space-2xl);text-align:center;background:var(--error-bg);border-radius:var(--radius-xl);border:1px solid var(--error)}.error-state p{color:var(--error);font-weight:500}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md);padding:var(--space-2xl);text-align:center;color:var(--text-secondary);font-size:1rem}.input{width:100%;min-height:44px;padding:var(--space-sm) var(--space-md);font-family:inherit;font-size:1rem;color:var(--text);background-color:var(--surface);border:2px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #6366f11a,var(--shadow-glow)}.input::placeholder{color:var(--text-secondary);opacity:.6}.pagination-controls{display:flex;align-items:center;justify-content:center;gap:var(--space-md);padding:var(--space-lg) 0}.pagination-info{font-size:.875rem;color:var(--text-secondary);font-weight:500}.pagination-prev,.pagination-next{background-color:var(--primary-light);color:var(--primary);border-radius:var(--radius-full);padding:.5rem 1.2rem;font-size:.85rem;font-weight:600}.pagination-prev:hover:not(:disabled),.pagination-next:hover:not(:disabled){background-color:var(--primary);color:#fff}.offline-banner{position:fixed;top:var(--header-height);left:0;right:0;z-index:1000;padding:var(--space-sm) var(--space-md);background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff;font-size:.85rem;font-weight:600;text-align:center;animation:slide-down var(--transition-base) ease-out}@keyframes slide-down{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.toast{position:fixed;bottom:calc(var(--space-xl) + var(--safe-bottom));left:50%;transform:translate(-50%);z-index:300;padding:.75rem 1.5rem;background:var(--gradient-primary);color:#fff;border-radius:var(--radius-full);box-shadow:var(--shadow-lg);font-size:.875rem;font-weight:600;animation:toast-in var(--transition-base) ease-out}@keyframes toast-in{0%{transform:translate(-50%) translateY(1rem);opacity:0}to{transform:translate(-50%) translateY(0);opacity:1}}.viewer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:center;justify-content:center;background-color:var(--overlay);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}@media (min-width: 375px){.thumbnail-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}@media (min-width: 768px){.thumbnail-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}h1{font-size:2rem}}@media (min-width: 1024px){.thumbnail-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}:root{--login-bg: #f5f5f5;--login-card-bg: #ffffff;--login-card-shadow: 0 4px 24px rgba(0, 0, 0, .1);--login-text: #1a1a1a;--login-text-muted: #666666;--login-input-bg: #ffffff;--login-input-border: #d0d0d0;--login-input-focus-border: #2563eb;--login-button-bg: #2563eb;--login-button-hover-bg: #1d4ed8;--login-button-disabled-bg: #93c5fd;--login-button-text: #ffffff;--login-error-text: #dc2626;--login-error-bg: #fef2f2;--login-error-border: #fecaca}@media (prefers-color-scheme: dark){:root{--login-bg: #0f0f0f;--login-card-bg: #1e1e1e;--login-card-shadow: 0 4px 24px rgba(0, 0, 0, .4);--login-text: #f0f0f0;--login-text-muted: #a0a0a0;--login-input-bg: #2a2a2a;--login-input-border: #444444;--login-input-focus-border: #60a5fa;--login-button-bg: #3b82f6;--login-button-hover-bg: #2563eb;--login-button-disabled-bg: #1e40af;--login-button-text: #ffffff;--login-error-text: #f87171;--login-error-bg: #2d1b1b;--login-error-border: #5c2020}}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem;background-color:var(--login-bg)}.login-card{width:100%;max-width:400px;padding:2rem;border-radius:12px;background-color:var(--login-card-bg);box-shadow:var(--login-card-shadow)}.login-title{margin:0 0 1.5rem;font-size:1.5rem;font-weight:700;text-align:center;color:var(--login-text)}.login-form{display:flex;flex-direction:column;gap:1.25rem}.form-field{display:flex;flex-direction:column;gap:.375rem}.form-label{font-size:.875rem;font-weight:500;color:var(--login-text-muted)}.form-input{min-height:44px;padding:.625rem .75rem;font-size:1rem;border:1px solid var(--login-input-border);border-radius:8px;background-color:var(--login-input-bg);color:var(--login-text);transition:border-color .15s ease}.form-input:focus{outline:none;border-color:var(--login-input-focus-border);box-shadow:0 0 0 3px #2563eb26}.form-input:disabled{opacity:.6;cursor:not-allowed}.form-input::placeholder{color:var(--login-text-muted)}.field-error{margin:.25rem 0 0;font-size:.8125rem;color:var(--login-error-text)}.login-button{min-height:44px;margin-top:.5rem;padding:.75rem 1rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;background-color:var(--login-button-bg);color:var(--login-button-text);cursor:pointer;transition:background-color .15s ease}.login-button:hover:not(:disabled){background-color:var(--login-button-hover-bg)}.login-button:disabled{background-color:var(--login-button-disabled-bg);cursor:not-allowed}.loading-indicator{display:inline-flex;align-items:center;gap:.5rem}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-container{margin-top:1rem;padding:.75rem 1rem;border-radius:8px;background-color:var(--login-error-bg);border:1px solid var(--login-error-border)}.error-message{margin:0;font-size:.875rem;color:var(--login-error-text)}.retry-button{margin-top:.5rem;min-height:44px;padding:.5rem 1rem;font-size:.875rem;font-weight:600;border:1px solid var(--login-error-border);border-radius:8px;background-color:transparent;color:var(--login-error-text);cursor:pointer;transition:background-color .15s ease}.retry-button:hover:not(:disabled){background-color:var(--login-error-border)}.retry-button:disabled{opacity:.6;cursor:not-allowed}:root{--viewer-bg: rgba(0, 0, 0, .95);--viewer-text: #ffffff;--viewer-btn-bg: rgba(255, 255, 255, .1);--viewer-btn-hover-bg: rgba(255, 255, 255, .2);--viewer-btn-disabled-opacity: .3;--viewer-toast-bg: #22c55e;--viewer-toast-text: #ffffff;--viewer-error-text: #f87171}.viewer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--viewer-bg);color:var(--viewer-text);overflow:hidden}.viewer-top-bar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;z-index:10;background:linear-gradient(to bottom,rgba(0,0,0,.6),transparent)}.viewer-close-btn,.viewer-download-btn{min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;background-color:var(--viewer-btn-bg);color:var(--viewer-text);font-size:1.25rem;cursor:pointer;transition:background-color .15s ease}.viewer-close-btn:hover,.viewer-download-btn:hover{background-color:var(--viewer-btn-hover-bg)}.viewer-counter{font-size:.875rem;font-weight:500;opacity:.9}.viewer-content{display:flex;align-items:center;justify-content:center;width:100%;height:100%;touch-action:none;-webkit-user-select:none;user-select:none}.viewer-image{max-width:100%;max-height:100%;object-fit:contain;transform-origin:center center;will-change:transform}.viewer-loading{display:flex;align-items:center;justify-content:center}.viewer-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:viewer-spin .7s linear infinite}@keyframes viewer-spin{to{transform:rotate(360deg)}}.viewer-error{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem;text-align:center}.viewer-error p{margin:0;font-size:1rem;color:var(--viewer-error-text)}.viewer-retry-btn{min-height:44px;padding:.625rem 1.5rem;font-size:.9375rem;font-weight:600;border:1px solid rgba(255,255,255,.3);border-radius:8px;background-color:transparent;color:var(--viewer-text);cursor:pointer;transition:background-color .15s ease}.viewer-retry-btn:hover{background-color:var(--viewer-btn-hover-bg)}.viewer-nav-btn{position:absolute;top:50%;transform:translateY(-50%);min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;background-color:var(--viewer-btn-bg);color:var(--viewer-text);font-size:1.5rem;cursor:pointer;z-index:10;transition:background-color .15s ease,opacity .15s ease}.viewer-nav-btn:hover:not(:disabled){background-color:var(--viewer-btn-hover-bg)}.viewer-nav-btn:disabled{opacity:var(--viewer-btn-disabled-opacity);cursor:default}.viewer-nav-prev{left:1rem}.viewer-nav-next{right:1rem}.viewer-toast{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);padding:.75rem 1.5rem;border-radius:8px;background-color:var(--viewer-toast-bg);color:var(--viewer-toast-text);font-size:.9375rem;font-weight:500;box-shadow:0 4px 12px #0000004d;animation:viewer-toast-in .3s ease;z-index:20}@keyframes viewer-toast-in{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media (max-width: 768px){.viewer-nav-btn{display:flex;min-width:36px;min-height:36px;font-size:1.2rem;opacity:.7}.viewer-nav-prev{left:.5rem}.viewer-nav-next{right:.5rem}}