:root{--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans Arabic", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--color-primary-50: #f0fdfa;--color-primary-100: #ccfbf1;--color-primary-200: #99f6e4;--color-primary-300: #5eead4;--color-primary-400: #2dd4bf;--color-primary-500: #14b8a6;--color-primary-600: #0d9488;--color-primary-700: #0f766e;--color-primary-800: #115e59;--color-primary-900: #134e4a;--color-accent-500: #f59e0b;--color-accent-600: #d97706;--color-success-50: #ecfdf5;--color-success-500: #10b981;--color-success-600: #059669;--color-warning-50: #fffbeb;--color-warning-500: #f59e0b;--color-warning-600: #d97706;--color-error-50: #fef2f2;--color-error-500: #ef4444;--color-error-600: #dc2626;--color-bg: #f8fafc;--color-surface: #ffffff;--color-elevated: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-secondary: #475569;--color-text-muted: #64748b;--color-ring: var(--color-primary-500);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 2px rgb(15 23 42 / 6%);--shadow-md: 0 4px 12px rgb(15 23 42 / 8%);--shadow-lg: 0 12px 32px rgb(15 23 42 / 10%);--header-height: 56px;--bottom-nav-height: 64px;--max-content-width: 1200px}[data-theme=dark]{--color-bg: #0f172a;--color-surface: #1e293b;--color-elevated: #334155;--color-border: #334155;--color-text: #f1f5f9;--color-text-secondary: #cbd5e1;--color-text-muted: #94a3b8;--color-ring: var(--color-primary-400);--shadow-sm: 0 1px 2px rgb(0 0 0 / 30%);--shadow-md: 0 4px 12px rgb(0 0 0 / 35%);--shadow-lg: 0 12px 32px rgb(0 0 0 / 45%)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6,p{margin:0}button,input,textarea,select{font:inherit}a{color:var(--color-primary-700);text-decoration:none}[data-theme=dark] a{color:var(--color-primary-300)}img,svg,video{max-width:100%;display:block}:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;padding-top:var(--header-height);padding-bottom:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom))}@media(min-width:1024px){.app-main{padding-bottom:0;padding-left:240px}}.container{width:100%;max-width:var(--max-content-width);margin:0 auto;padding:16px}.container-narrow{max-width:720px}.page-title{font-size:1.5rem;font-weight:700;margin-bottom:16px}.section-title{font-size:1.125rem;font-weight:600;margin-bottom:12px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:16px}.card-clickable{cursor:pointer;transition:box-shadow .15s ease,transform .1s ease}.card-clickable:hover{box-shadow:var(--shadow-md)}.card-clickable:active{transform:translateY(1px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-md);padding:10px 16px;font-weight:600;font-size:.9375rem;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .1s ease;white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary-700);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-800)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--color-bg)}.btn-danger{background:var(--color-error-600);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-error-500)}.btn-sm{padding:6px 12px;font-size:.8125rem}.btn-lg{padding:14px 24px;font-size:1rem}.input,.textarea,.select{width:100%;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:10px 12px;font-size:.9375rem}.input::placeholder,.textarea::placeholder{color:var(--color-text-muted)}.input:focus,.textarea:focus,.select:focus{border-color:var(--color-primary-500);outline:none}.textarea{min-height:96px;resize:vertical}.label{display:block;font-size:.8125rem;font-weight:600;color:var(--color-text-secondary);margin-bottom:6px}.form-group{margin-bottom:16px}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--color-primary-600),var(--color-primary-800));color:#fff;font-weight:600;overflow:hidden;flex-shrink:0}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:32px;height:32px;font-size:.75rem}.avatar-md{width:48px;height:48px;font-size:1rem}.avatar-lg{width:80px;height:80px;font-size:1.5rem}.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em}.badge-primary{background:var(--color-primary-100);color:var(--color-primary-900)}[data-theme=dark] .badge-primary{background:var(--color-primary-900);color:var(--color-primary-100)}.badge-success{background:var(--color-success-50);color:var(--color-success-600)}.badge-warning{background:var(--color-warning-50);color:var(--color-warning-600)}.badge-error{background:var(--color-error-50);color:var(--color-error-600)}.skeleton{background:linear-gradient(90deg,var(--color-border) 25%,var(--color-bg) 50%,var(--color-border) 75%);background-size:200% 100%;animation:skeleton 1.2s infinite;border-radius:var(--radius-md)}@keyframes skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{text-align:center;padding:48px 16px;color:var(--color-text-muted)}.empty-state-icon{margin:0 auto 16px;color:var(--color-text-muted)}.loading-spinner{width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary-600);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;inset-inline:16px;bottom:calc(var(--bottom-nav-height) + 16px + env(safe-area-inset-bottom));z-index:100;background:var(--color-elevated);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:12px 16px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px}@media(min-width:640px){.toast{inset-inline:auto 16px;min-width:320px}}.rtl-grid{direction:rtl}.bottom-nav{position:fixed;inset-inline:0;bottom:0;height:var(--bottom-nav-height);padding-bottom:env(safe-area-inset-bottom);background:var(--color-surface);border-top:1px solid var(--color-border);display:flex;justify-content:space-around;align-items:center;z-index:50}@media(min-width:1024px){.bottom-nav{display:none}}.bottom-nav-link{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.65rem;color:var(--color-text-muted);padding:6px 12px}.bottom-nav-link.active{color:var(--color-primary-700)}[data-theme=dark] .bottom-nav-link.active{color:var(--color-primary-300)}.desktop-sidebar{display:none}@media(min-width:1024px){.desktop-sidebar{display:flex;flex-direction:column;position:fixed;inset-inline-start:0;top:0;bottom:0;width:240px;background:var(--color-surface);border-inline-end:1px solid var(--color-border);z-index:40;padding:16px}}.desktop-sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-md);color:var(--color-text-secondary);font-weight:500;margin-bottom:4px}.desktop-sidebar-link:hover{background:var(--color-bg)}.desktop-sidebar-link.active{background:var(--color-primary-50);color:var(--color-primary-800)}[data-theme=dark] .desktop-sidebar-link.active{background:var(--color-primary-900);color:var(--color-primary-100)}.top-header{position:fixed;inset-inline:0;top:0;height:var(--header-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:50}@media(min-width:1024px){.top-header{padding-inline-start:256px}}.language-bar{display:flex;align-items:center;gap:8px;font-size:.8125rem}.language-bar button{padding:4px 8px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-secondary);cursor:pointer}.language-bar button.active{background:var(--color-primary-700);color:#fff;border-color:var(--color-primary-700)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000007f;display:flex;align-items:flex-end;justify-content:center;z-index:100}@media(min-width:640px){.modal-overlay{align-items:center}}.modal-panel{background:var(--color-surface);border-radius:var(--radius-lg) var(--radius-lg) 0 0;width:100%;max-height:90vh;overflow:auto;padding:20px}@media(min-width:640px){.modal-panel{border-radius:var(--radius-lg);max-width:560px;max-height:85vh}}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--color-border);margin-bottom:16px;overflow-x:auto}.tab{padding:10px 12px;font-weight:600;color:var(--color-text-muted);border-bottom:2px solid transparent;white-space:nowrap;background:transparent;border-top:none;border-inline:none;cursor:pointer}.tab.active{color:var(--color-primary-700);border-bottom-color:var(--color-primary-700)}[data-theme=dark] .tab.active{color:var(--color-primary-300);border-bottom-color:var(--color-primary-300)}.chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--color-bg);color:var(--color-text-secondary);font-size:.8125rem;border:1px solid var(--color-border)}.progress-bar{height:8px;background:var(--color-bg);border-radius:999px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--color-primary-500),var(--color-primary-700));transition:width .3s ease}
