:root,[data-theme=dark]{--page-bg: #0f1217;--bg-primary: #0f1217;--bg-secondary: #1a1f2e;--bg-tertiary: #23263a;--dark-bg: #0f1217;--text-primary: #f8fafc;--text-secondary: #a0aec0;--text-muted: #94a3b8;--border-color: #2d3748;--border-hover: #4b5563;--card-bg: #1f2937;--card-bg-dark: #1f2937;--card-bg-light: #ffffff;--card-hover: #232939;--card-shadow: 0 4px 6px -1px rgba(0, 0, 0, .3);--input-bg: #2d3748;--input-bg-light: #ffffff;--input-border: #4b5563;--hover-bg: #2d3748;--modal-bg: #1a1f2e;--modal-bg-light: #ffffff;--gradient-start: #7c3aed;--gradient-end: #db2777;--purple-gradient: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);--button-primary: #3b82f6;--button-primary-hover: #2563eb;--button-secondary: #6b7280;--button-secondary-hover: #4b5563;--highlight: #3b82f6;--primary: #4a35e8;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--info-color: #06b6d4;--glass-bg: rgba(26, 31, 46, .85);--glass-border: rgba(255, 255, 255, .08);--backdrop-blur: blur(12px);--navbar-bg: rgba(15, 23, 42, .95);--sidebar-bg: #1e293b;--overlay-bg: rgba(0, 0, 0, .8);--scrollbar-track: #1e293b;--scrollbar-thumb: #475569;--scrollbar-thumb-hover: #64748b;--share-modal-bg: #1a1f2e;--share-modal-border: #374151;--share-modal-text: #ffffff;--share-modal-close: #9ca3af;--modal-z-index: 1000;--modal-content-z-index: 1001;--profile-dropdown-z-index: 10000;--share-modal-z-index: 10000;--header-main-gap: 6rem}[data-theme=light]{--page-bg: #e9eef5;--bg-primary: #e9eef5;--bg-secondary: #eef2f7;--bg-tertiary: #e3e9f2;--dark-bg: #e9eef5;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #64748b;--border-color: #cbd5e1;--border-hover: #94a3b8;--card-bg: #ffffff;--card-hover: #f8fafc;--card-shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .06);--input-bg: #ffffff;--input-border: #cbd5e1;--hover-bg: #e2e8f0;--modal-bg: #ffffff;--glass-bg: rgba(255, 255, 255, .95);--glass-border: rgba(15, 23, 42, .12);--navbar-bg: rgba(255, 255, 255, .95);--sidebar-bg: #ffffff;--overlay-bg: rgba(255, 255, 255, .9);--scrollbar-track: #e2e8f0;--scrollbar-thumb: #cbd5e1;--scrollbar-thumb-hover: #94a3b8;--share-modal-bg: #ffffff;--share-modal-border: #cbd5e1;--share-modal-text: #1e293b;--share-modal-close: #64748b}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1.25rem;background:var(--bg-primary, #0f1217)}.auth-card{width:100%;max-width:26rem;display:flex;flex-direction:column;gap:1rem;padding:2.25rem 2rem;border:1px solid var(--border-color, rgba(255, 255, 255, .12));border-radius:14px;background:var(--card-bg, rgba(255, 255, 255, .04))}.auth-brand{display:inline-flex;align-items:center;gap:.5rem;color:var(--text-primary, #fff);text-decoration:none;font-weight:700;font-size:1.05rem}.auth-brand:hover{opacity:.85}.auth-title{margin:.5rem 0 0;font-size:1.5rem;font-weight:700;color:var(--text-primary, #fff)}.auth-subtitle{margin:0;font-size:.92rem;line-height:1.5;color:var(--text-secondary, rgba(255, 255, 255, .66))}.auth-tabs{display:flex;gap:.25rem;padding:.25rem;border-radius:10px;background:var(--bg-secondary, rgba(255, 255, 255, .06))}.auth-tab{flex:1;padding:.5rem .75rem;border:0;border-radius:8px;background:transparent;color:var(--text-secondary, rgba(255, 255, 255, .66));font:inherit;font-size:.92rem;cursor:pointer}.auth-tab.active{background:var(--card-bg-hover, rgba(255, 255, 255, .12));color:var(--text-primary, #fff);font-weight:600}.auth-form{display:flex;flex-direction:column;gap:.4rem}.auth-form label{font-size:.82rem;color:var(--text-secondary, rgba(255, 255, 255, .66))}.auth-form input{padding:.65rem .75rem;margin-bottom:.5rem;border:1px solid var(--border-color, rgba(255, 255, 255, .14));border-radius:9px;background:var(--bg-secondary, rgba(255, 255, 255, .05));color:var(--text-primary, #fff);font:inherit;font-size:.95rem}.auth-form input:focus-visible{outline:2px solid var(--accent-color, #6366f1);outline-offset:1px}.auth-submit{margin-top:.35rem;padding:.7rem 1rem;border:0;border-radius:9px;background:var(--accent-color, #6366f1);color:#fff;font:inherit;font-weight:600;cursor:pointer}.auth-submit:hover{filter:brightness(1.08)}.auth-submit:disabled{opacity:.6;cursor:progress}.auth-alt{padding:.65rem 1rem;border:1px solid var(--border-color, rgba(255, 255, 255, .16));border-radius:9px;background:transparent;color:var(--text-primary, #fff);font:inherit;cursor:pointer}.auth-alt:hover{background:var(--card-bg-hover, rgba(255, 255, 255, .08))}.auth-error{margin:0;padding:.6rem .75rem;border-radius:8px;background:rgba(220,68,55,.12);color:#ff9d94;font-size:.88rem}.auth-note{margin:0;font-size:.8rem;line-height:1.5;color:var(--text-tertiary, rgba(255, 255, 255, .45))}.auth-hidden{display:none!important}