:root{--primary-blue: #3b82f6;--primary-blue-dark: #2563eb;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--text-primary: #f9fafb;--text-secondary: #9ca3af;--surface: #1f2937;--surface-light: #374151;--border: #4b5563;--background: #111827;--shadow: rgba(0, 0, 0, .5);font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:var(--text-primary);background-color:var(--background);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh;width:100%;overflow-x:hidden}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#111827,#1f2937);animation:fadeIn .6s ease-out}.auth-card{background:var(--surface);border-radius:24px;padding:40px;max-width:450px;width:100%;box-shadow:0 20px 60px var(--shadow);border:1px solid var(--border);animation:fadeIn .8s ease-out}.auth-header{text-align:center;margin-bottom:32px}.weather-icon-large{font-size:64px;margin-bottom:16px;animation:pulse 2s ease-in-out infinite}.auth-header h1{font-size:28px;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,#1e90ff,#4169e1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-header p{color:var(--text-secondary);font-size:14px}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:500;color:var(--text-primary)}.form-group input{padding:14px 16px;background:var(--surface-light);border:2px solid var(--border);border-radius:12px;color:var(--text-primary);font-size:15px;transition:all .3s ease;outline:none}.form-group input:focus{border-color:var(--primary-blue);box-shadow:0 0 0 3px #3b82f633}.form-group input:disabled{opacity:.6;cursor:not-allowed}.form-group input::placeholder{color:var(--text-secondary)}.form-hint{font-size:12px;color:var(--text-secondary);margin-top:-4px}.error-message{padding:12px 16px;background:#ef44441a;border:1px solid var(--error);border-radius:12px;color:var(--error);font-size:14px;animation:slideIn .3s ease-out}.auth-button{padding:14px 24px;background:linear-gradient(135deg,#1e90ff,#4169e1);color:#fff;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:8px}.auth-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #3b82f666}.auth-button:active:not(:disabled){transform:translateY(0)}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-footer{text-align:center;margin-top:24px;color:var(--text-secondary);font-size:14px}.auth-link{color:var(--primary-blue);text-decoration:none;font-weight:600;transition:color .3s ease}.auth-link:hover{color:var(--primary-blue-dark);text-decoration:underline}@media(max-width:768px){.auth-card{padding:32px 24px;max-width:100%}.weather-icon-large{font-size:52px}.auth-header h1{font-size:24px}}@media(max-width:480px){.auth-container{padding:16px}.auth-card{padding:28px 20px;border-radius:20px}.weather-icon-large{font-size:48px;margin-bottom:12px}.auth-header{margin-bottom:24px}.auth-header h1{font-size:22px}.auth-header p{font-size:13px}.auth-form{gap:16px}.form-group input{padding:12px 14px;font-size:14px}.auth-button{padding:12px 20px;font-size:15px}.auth-footer{margin-top:20px;font-size:13px}}:root{--primary-blue: #3b82f6;--primary-blue-dark: #2563eb}.weather-card{background:linear-gradient(135deg,#374151,#1f2937);border:1px solid #4b5563;border-radius:24px;padding:32px;box-shadow:0 20px 60px #0000004d;color:#fff;animation:fadeIn .8s ease-out;position:relative;overflow:hidden}.weather-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#fff0);pointer-events:none}.weather-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;position:relative;z-index:1}.location-info{flex:1}.location-name{font-size:32px;font-weight:700;margin-bottom:4px;text-shadow:0 2px 8px rgba(0,0,0,.2)}.country{font-size:18px;opacity:.9;font-weight:500}.weather-icon-main{font-size:80px;line-height:1;filter:drop-shadow(0 4px 8px rgba(0,0,0,.2));animation:pulse 3s ease-in-out infinite}.weather-main{text-align:center;margin:32px 0;position:relative;z-index:1}.temperature-display{display:flex;justify-content:center;align-items:flex-start;gap:4px;margin-bottom:8px}.temp-value{font-size:72px;font-weight:700;line-height:1;text-shadow:0 4px 12px rgba(0,0,0,.3)}.temp-unit{font-size:36px;font-weight:400;opacity:.8;margin-top:8px}.weather-description{font-size:20px;text-transform:capitalize;opacity:.95;font-weight:500;text-shadow:0 2px 4px rgba(0,0,0,.2)}.weather-details{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,140px),1fr));gap:clamp(12px,2vw,16px);margin-top:32px;position:relative;z-index:1}.detail-item{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;padding:16px;transition:all .3s ease;border:1px solid rgba(255,255,255,.2)}.detail-item:hover{background:#fff3;transform:translateY(-4px);box-shadow:0 8px 20px #0003}.detail-content{flex:1;min-width:0}.detail-label{font-size:12px;opacity:.9;margin-bottom:4px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.detail-value{font-size:18px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:768px){.weather-card{padding:24px 20px}.location-name{font-size:26px}.country{font-size:16px}.weather-icon-main{font-size:64px}.temp-value{font-size:56px}.temp-unit{font-size:28px}.weather-description{font-size:18px}.weather-details{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}.detail-item{padding:14px 12px}.detail-icon{font-size:24px}.detail-value{font-size:16px}.detail-label{font-size:11px}}@media(max-width:480px){.weather-card{padding:20px 16px;border-radius:20px}.weather-card-header{margin-bottom:20px}.location-name{font-size:22px}.country{font-size:14px}.weather-icon-main{font-size:56px}.weather-main{margin:24px 0}.temp-value{font-size:48px}.temp-unit{font-size:24px;margin-top:6px}.weather-description{font-size:16px}.weather-details{grid-template-columns:1fr;gap:10px;margin-top:20px}.detail-item{padding:12px;flex-direction:row}.detail-icon{font-size:22px}.detail-content{display:flex;justify-content:space-between;align-items:center;width:100%}.detail-label{font-size:12px;margin-bottom:0}.detail-value{font-size:15px;text-align:right}}:root{--primary-blue: #3b82f6;--primary-blue-dark: #2563eb;--surface: #1f2937;--text-primary: #f9fafb;--text-secondary: #9ca3af;--border: #4b5563;--surface-light: #374151;--shadow: rgba(0, 0, 0, .5)}.forecast-card{background:var(--surface);border-radius:16px;padding:20px;border:1px solid var(--border);text-align:center;transition:all .3s ease;cursor:pointer;box-shadow:0 4px 12px var(--shadow)}.forecast-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px #3b82f64d;border-color:var(--primary-blue);background:var(--surface-light)}.forecast-date{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}.forecast-icon{font-size:48px;margin:12px 0;animation:pulse 3s ease-in-out infinite}.forecast-weather{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:12px}.forecast-temps{margin:16px 0}.temp-range{display:flex;align-items:center;justify-content:center;gap:8px;font-size:20px;font-weight:700}.temp-max{color:#ef4444}.temp-separator{color:var(--text-secondary)}.temp-min{color:#60a5fa}.forecast-details{display:flex;justify-content:center;gap:16px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.forecast-detail-item{display:flex;align-items:center;gap:6px}.detail-icon-small{font-size:16px}.detail-value-small{font-size:13px;color:var(--text-secondary);font-weight:500}@media(max-width:768px){.forecast-card{padding:16px 12px}.forecast-icon{font-size:40px;margin:8px 0}.temp-range{font-size:18px}.forecast-details{gap:12px}}@media(max-width:480px){.forecast-card{padding:14px 10px}.forecast-date{font-size:12px}.forecast-icon{font-size:36px;margin:6px 0}.forecast-weather{font-size:14px}.temp-range{font-size:16px}.forecast-details{gap:8px;margin-top:12px;padding-top:12px}.detail-icon-small{font-size:14px}.detail-value-small{font-size:12px}}.dashboard{min-height:100vh;background:linear-gradient(135deg,#111827,#1f2937);animation:fadeIn .6s ease-out}.dashboard-header{background:var(--surface);border-bottom:1px solid var(--border);padding:20px 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-content{max-width:100%;margin:0 auto;padding:0 clamp(16px,5vw,48px);display:flex;justify-content:space-between;align-items:center}.dashboard-header h1{font-size:24px;font-weight:700;display:flex;align-items:center;gap:12px}.header-icon{font-size:32px}.user-section{display:flex;align-items:center;gap:16px}.username{color:var(--text-secondary);font-size:14px}.records-button{padding:10px 20px;background:linear-gradient(135deg,#1e90ff,#4169e1);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease}.records-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #1e90ff4d}.logout-button{padding:10px 20px;background:var(--surface-light);color:var(--text-primary);border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease}.logout-button:hover{background:var(--border);transform:translateY(-2px)}.dashboard-main{max-width:100%;margin:0 auto;padding:clamp(16px,3vw,32px) clamp(16px,5vw,48px)}.search-section{margin-bottom:32px}.search-form{background:var(--surface);border-radius:16px;padding:24px;border:1px solid var(--border);box-shadow:0 4px 12px var(--shadow)}.search-tabs{display:flex;gap:12px;margin-bottom:20px}.tab{flex:1;padding:12px 20px;background:var(--surface-light);color:var(--text-secondary);border:1px solid var(--border);border-radius:10px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease}.tab.active{background:linear-gradient(135deg,#1e90ff,#4169e1);color:#fff;border-color:transparent}.tab:hover:not(.active){background:var(--border)}.search-input-group{display:flex;gap:12px;align-items:center}.search-input{flex:1;padding:14px 18px;background:var(--surface-light);border:2px solid var(--border);border-radius:12px;color:var(--text-primary);font-size:15px;transition:all .3s ease}.search-input::placeholder{color:var(--text-secondary)}.search-input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #3b82f633}.search-button{padding:14px 24px;background:linear-gradient(135deg,#1e90ff,#4169e1);color:#fff;border:none;border-radius:12px;cursor:pointer;font-size:14px;font-weight:600;white-space:nowrap;transition:all .3s ease}.search-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #3b82f666}.search-button:disabled{opacity:.6;cursor:not-allowed}.location-button{padding:14px 20px;background:var(--surface-light);color:var(--text-primary);border:2px solid var(--border);border-radius:12px;cursor:pointer;font-size:14px;font-weight:500;white-space:nowrap;transition:all .3s ease}.location-button:hover:not(:disabled){background:var(--border);transform:translateY(-2px)}.coords-input-group{display:flex;gap:12px}.coord-input{flex:1;padding:14px 18px;background:var(--surface-light);border:2px solid var(--border);border-radius:12px;color:var(--text-primary);font-size:15px}.search-hint{margin-top:12px;font-size:13px;color:var(--text-secondary)}.error-box{margin-top:16px;padding:16px 20px;background:#ef44441a;border:1px solid var(--error);border-radius:12px;color:var(--error);animation:slideIn .3s ease-out}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:20px}.spinner{width:50px;height:50px;border:4px solid var(--border);border-top-color:var(--primary-blue);border-radius:50%;animation:spin 1s linear infinite}.loading-spinner p{color:var(--text-secondary);font-size:14px}.weather-display{animation:fadeIn .8s ease-out}.save-section{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding:16px;background:var(--surface);border-radius:12px;border:1px solid var(--border)}.save-weather-button{padding:12px 24px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;border-radius:10px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease}.save-weather-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #10b9814d}.save-weather-button:disabled{opacity:.5;cursor:not-allowed}.save-message{font-size:14px;font-weight:600;animation:fadeIn .3s ease-out}.save-message.success{color:#10b981}.forecast-section{margin-top:32px}.forecast-title{font-size:24px;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.forecast-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:clamp(12px,2vw,20px)}.welcome-message{text-align:center;padding:80px 20px;animation:fadeIn 1s ease-out}.welcome-icon{font-size:80px;margin-bottom:24px;animation:pulse 2s ease-in-out infinite}.welcome-message h2{font-size:28px;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,#1e90ff,#4169e1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-message>p{color:var(--text-secondary);font-size:16px;margin-bottom:32px}.example-searches{margin-top:32px}.example-searches>p{color:var(--text-secondary);font-size:14px;margin-bottom:16px}.examples{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.example{padding:8px 16px;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text-secondary);font-size:13px}@media(max-width:1024px){.dashboard-header h1{font-size:20px}.header-icon{font-size:28px}}@media(max-width:768px){.header-content{flex-direction:column;gap:12px;padding:0 16px}.dashboard-header{padding:16px 0}.dashboard-header h1{font-size:18px}.header-icon{font-size:24px}.search-input-group{flex-direction:column}.search-button,.location-button{width:100%;padding:12px 20px}.search-form{padding:20px}.search-tabs{gap:8px}.tab{padding:10px 16px;font-size:13px}.forecast-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,140px),1fr));gap:12px}.username{display:none}.dashboard-main{padding:16px}}@media(max-width:480px){.header-content{padding:0 12px}.dashboard-main{padding:12px}.search-form{padding:16px}.user-section{width:100%;justify-content:center}.logout-button{flex:1;max-width:200px}}:root{--primary-blue: #3b82f6;--primary-blue-dark: #2563eb;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--text-primary: #f9fafb;--text-secondary: #9ca3af;--surface: #1f2937;--surface-light: #374151;--border: #4b5563;--background: #111827;--shadow: rgba(0, 0, 0, .5)}.saved-records-container{min-height:100vh;background:linear-gradient(135deg,#111827,#1f2937);padding:clamp(16px,3vw,32px)}.records-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;padding:24px;background:var(--surface);border-radius:16px;box-shadow:0 2px 8px #0000001a}.header-left h1{font-size:32px;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-text{color:var(--text-secondary);font-size:16px}.header-actions{display:flex;gap:12px}.nav-button,.logout-button{padding:12px 24px;border:none;border-radius:12px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:14px}.nav-button{background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);color:#fff}.logout-button{background:transparent;border:2px solid var(--border);color:var(--text-secondary)}.nav-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #1e90ff4d}.logout-button:hover{border-color:var(--error);color:var(--error)}.error-box{margin-bottom:24px;padding:16px 20px;background:#ef44441a;border:1px solid var(--error);border-radius:12px;color:var(--error)}.export-controls{margin-bottom:24px;padding:20px;background:var(--surface);border-radius:16px;box-shadow:0 2px 8px #0000001a}.selection-controls{display:flex;align-items:center;gap:16px;margin-bottom:16px}.select-all-button{padding:8px 16px;background:var(--surface-light);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:all .3s ease;font-size:14px;font-weight:500}.select-all-button:hover{background:var(--border)}.selection-count{color:var(--text-secondary);font-size:14px}.export-buttons{display:flex;gap:12px;flex-wrap:wrap}.export-button{padding:12px 24px;border:none;border-radius:12px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:14px;color:#fff}.export-button.json{background:linear-gradient(135deg,var(--success) 0%,#059669 100%)}.export-button.pdf{background:linear-gradient(135deg,var(--error) 0%,#dc2626 100%)}.export-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #0003}.export-button:disabled{opacity:.5;cursor:not-allowed}.loading-spinner{text-align:center;padding:60px 20px}.spinner{width:50px;height:50px;border:4px solid var(--border);border-top:4px solid var(--primary-blue);border-radius:50%;margin:0 auto 16px;animation:spin 1s linear infinite}.empty-state{text-align:center;padding:80px 20px;background:var(--surface);border-radius:16px;box-shadow:0 2px 8px #0000001a}.empty-state h2{font-size:28px;margin-bottom:16px;color:var(--text-primary)}.empty-state p{font-size:16px;color:var(--text-secondary);margin-bottom:24px}.search-button{padding:14px 32px;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);color:#fff;border:none;border-radius:12px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:16px}.search-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #1e90ff4d}.records-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:24px}.record-card{background:var(--surface);border-radius:16px;padding:20px;box-shadow:0 2px 8px #0000001a;transition:all .3s ease;border:2px solid transparent;cursor:pointer}.record-card.selected{border-color:var(--primary-blue);background:linear-gradient(135deg,var(--surface) 0%,var(--surface-light) 100%);box-shadow:0 4px 16px #3b82f64d}.record-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #00000026}.record-header{display:flex;gap:12px;margin-bottom:16px}.location-info{flex:1;display:flex;align-items:center;gap:12px}.location-info h3{font-size:20px;font-weight:700;color:var(--text-primary);margin:0}.country-badge{padding:4px 12px;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);color:#fff;border-radius:12px;font-size:12px;font-weight:600}.edit-form{flex:1;display:flex;flex-direction:column;gap:8px}.edit-input{padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:all .3s ease;background:var(--surface-light);color:var(--text-primary)}.edit-input::placeholder{color:var(--text-secondary)}.edit-input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #3b82f633}.weather-edit-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:16px;padding:16px;background:var(--surface-light);border-radius:8px}.edit-row{display:flex;flex-direction:column;gap:6px}.edit-row label{font-size:12px;color:var(--text-secondary);font-weight:600;text-transform:uppercase}.edit-input-small{padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:all .3s ease;background:var(--surface-light);color:var(--text-primary)}.edit-input-small::placeholder{color:var(--text-secondary)}.edit-input-small:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #3b82f633}.weather-info{margin-bottom:16px}.temp-display{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border)}.temperature{font-size:36px;font-weight:700;color:var(--text-primary)}.condition{font-size:18px;color:var(--text-secondary);font-weight:500}.weather-details{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.detail{display:flex;flex-direction:column;gap:4px}.detail .label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;font-weight:600}.detail .value{font-size:16px;color:var(--text-primary);font-weight:600}.notes,.notes-edit{margin-bottom:16px;padding:12px;background:var(--surface-light);border-radius:8px;font-size:14px;color:var(--text-secondary)}.notes-input{width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;resize:vertical;background:var(--surface-light);color:var(--text-primary)}.notes-input::placeholder{color:var(--text-secondary)}.notes-input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #3b82f633}.record-footer{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--border)}.timestamp{font-size:12px;color:var(--text-secondary)}.action-buttons{display:flex;gap:8px}.edit-btn,.delete-btn,.save-btn,.cancel-btn{padding:8px 16px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease}.edit-btn{background:var(--primary-blue);color:#fff}.delete-btn{background:var(--error);color:#fff}.save-btn{background:var(--success);color:#fff}.cancel-btn{background:var(--surface-light);border:1px solid var(--border);color:var(--text-secondary)}.edit-btn:hover,.delete-btn:hover,.save-btn:hover,.cancel-btn:hover{transform:translateY(-2px);box-shadow:0 4px 8px #00000026}@media(max-width:768px){.records-header{flex-direction:column;gap:20px;align-items:flex-start}.header-actions{width:100%;flex-direction:column}.nav-button,.logout-button{width:100%}.records-grid{grid-template-columns:1fr}.export-buttons{flex-direction:column}.export-button{width:100%}.weather-details{grid-template-columns:1fr}}@media(max-width:480px){.header-left h1{font-size:24px}.temperature{font-size:28px}.record-footer{flex-direction:column;gap:12px;align-items:flex-start}.action-buttons{width:100%;justify-content:flex-end}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-blue: #3b82f6;--primary-blue-dark: #2563eb;--background: #111827;--surface: #1f2937;--surface-light: #374151;--text-primary: #f9fafb;--text-secondary: #9ca3af;--error: #ef4444;--success: #10b981;--warning: #f59e0b;--border: 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