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360px){.chat-header{padding:.7rem}.secret-preview{max-width:120px;font-size:.8rem}.chat-messages{padding:.6rem}.message{max-width:95%}.message-content{padding:.6rem .8rem;font-size:.9rem}.chat-input-form{padding:.7rem}.chat-input{padding:.6rem .9rem;font-size:.9rem}.send-button{width:40px;height:40px}.attach-button{padding:7px}}@media (max-height: 500px) and (orientation: landscape){.chat-header{padding:.6rem 1rem;min-height:50px}.chat-messages{padding:.6rem}.message{max-width:80%}.chat-input-form{padding:.6rem}.selected-file{padding:8px 10px}}@media (min-width: 769px) and (max-width: 1024px){.chat-container{max-width:768px;margin:0 auto;box-shadow:0 0 20px #0000001a;height:90vh;margin-top:5vh;border-radius:12px;overflow:hidden}.secret-preview{max-width:300px}}@media (hover: none) and (pointer: coarse){.back-button,.send-button,.notification-button,.attach-button,.remove-file-button{min-height:44px;min-width:44px}.chat-item{padding:1rem;min-height:60px}.chat-item:hover{background-color:inherit}.chat-item:active{background-color:#f0f0f0}.dark-mode .chat-item:active{background-color:#3d3d3d}.file-attachment:hover{background-color:inherit}.file-attachment:active{background-color:#e9ecef}.dark-mode .file-attachment:active{background-color:#4d4d4d}}@supports (padding: max(0px)){.chat-header{padding-left:max(1rem,env(safe-area-inset-left));padding-right:max(1rem,env(safe-area-inset-right));padding-top:max(1rem,env(safe-area-inset-top))}.chat-input-form{padding-left:max(1rem,env(safe-area-inset-left));padding-right:max(1rem,env(safe-area-inset-right));padding-bottom:max(1rem,env(safe-area-inset-bottom))}.selected-file{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}}@media (prefers-reduced-motion: reduce){.message{animation:none}.send-button,.attach-button,.remove-file-button{transition:none}.selected-file{animation:none}}:root{--font-primary: "Poppins", sans-serif;--font-mono: "Roboto Mono", monospace;--transition-base: .3s ease;--transition-slow: .5s ease;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--shadow-sm: 0 2px 6px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .15);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .2);--color-light-primary: #ffffff;--color-light-secondary: #f5f5f5;--color-light-tertiary: #e0e0e0;--color-light-text: #212529;--color-light-text-secondary: #495057;--color-light-accent: #6a0dad;--color-light-accent-hover: #7b1fa2;--color-light-warning: #d32f2f;--color-light-success: #2e7d32;--color-light-input-bg: #ffffff;--color-light-input-border: #cccccc;--color-dark-primary: #121212;--color-dark-secondary: #1e1e1e;--color-dark-tertiary: #2d2d2d;--color-dark-text: #f8f9fa;--color-dark-text-secondary: #adb5bd;--color-dark-accent: #9c27b0;--color-dark-accent-hover: #ba68c8;--color-dark-warning: #f44336;--color-dark-success: #4caf50;--color-dark-input-bg: #2a2a2a;--color-dark-input-border: #555555}*{margin:0;padding:0;box-sizing:border-box;transition:background-color var(--transition-base),color var(--transition-base),border-color var(--transition-base)}html{scroll-behavior:smooth;font-family:var(--font-primary)}body{font-family:var(--font-primary);background-color:var(--color-primary);color:var(--color-text);line-height:1.6;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh;background-color:var(--color-primary);color:var(--color-text)}.app-footer{text-align:center}.main-content{flex:1;padding:var(--spacing-xl);background-color:var(--color-primary)}.light-mode{--color-primary: var(--color-light-primary);--color-secondary: var(--color-light-secondary);--color-tertiary: var(--color-light-tertiary);--color-text: var(--color-light-text);--color-text-secondary: var(--color-light-text-secondary);--color-accent: var(--color-light-accent);--color-accent-hover: var(--color-light-accent-hover);--color-warning: var(--color-light-warning);--color-success: var(--color-light-success);--color-input-bg: var(--color-light-input-bg);--color-input-border: var(--color-light-input-border)}.dark-mode{--color-primary: var(--color-dark-primary);--color-secondary: var(--color-dark-secondary);--color-tertiary: var(--color-dark-tertiary);--color-text: var(--color-dark-text);--color-text-secondary: var(--color-dark-text-secondary);--color-accent: var(--color-dark-accent);--color-accent-hover: var(--color-dark-accent-hover);--color-warning: var(--color-dark-warning);--color-success: var(--color-dark-success);--color-input-bg: var(--color-dark-input-bg);--color-input-border: var(--color-dark-input-border)}h1,h2,h3,h4,h5,h6{font-family:var(--font-primary);font-weight:600;line-height:1.2;margin-bottom:var(--spacing-sm)}p{margin-bottom:var(--spacing-sm)}code,pre{font-family:var(--font-mono)}.button{font-family:var(--font-primary);background-color:var(--color-accent);color:#fff;border:none;padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-sm);cursor:pointer;font-weight:500;transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-xs)}.button:hover{background-color:var(--color-accent-hover);transform:translateY(-2px)}.button.secondary{background-color:var(--color-secondary);color:var(--color-text)}.card{background-color:var(--color-secondary);border-radius:var(--radius-md);padding:var(--spacing-md);box-shadow:var(--shadow-sm);margin-bottom:var(--spacing-md);border:1px solid var(--color-tertiary)}input,textarea,select{font-family:var(--font-primary);background-color:var(--color-input-bg);border:1px solid var(--color-input-border);color:var(--color-text);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);width:100%;margin-bottom:var(--spacing-sm)}.page-container{text-align:center;padding:var(--spacing-xl);min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center}.page-heading{font-size:2rem;color:var(--color-accent)}.page-content{color:var(--color-text);max-width:600px}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--color-secondary)}::-webkit-scrollbar-thumb{background:var(--color-accent);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--color-accent-hover)}.error-banner{background-color:var(--color-warning-bg);color:var(--color-warning);padding:1rem;border-radius:var(--radius-sm);margin-bottom:1rem;display:flex;justify-content:space-between;align-items:center}.error-banner button{background:none;border:none;color:var(--color-warning);font-size:1.2rem;cursor:pointer}.loading{text-align:center;padding:2rem;color:var(--color-text-secondary)}@media (max-width: 992px){.main-content{padding:var(--spacing-lg)}}@media (max-width: 768px){.main-content{padding:var(--spacing-md)}.page-heading{font-size:1.75rem}}@media (max-width: 480px){.main-content{padding:var(--spacing-sm)}.button{padding:var(--spacing-xs) var(--spacing-sm)}.page-heading{font-size:1.5rem}}