:root{--c-primary: #ff7a59;--c-primary-dark: #f85a36;--c-secondary: #2ec4b6;--c-accent: #ffd23f;--c-purple: #9b6bdf;--c-pink: #ff8fb1;--c-ink: #3a3042;--c-muted: #8a8395;--c-bg: #fff7f0;--c-card: #ffffff;--c-line: #ffe3d6;--radius: 16px;--radius-lg: 26px;--radius-pill: 999px;--shadow: 0 8px 22px rgba(154, 107, 95, .14);--shadow-hover: 0 16px 32px rgba(255, 122, 89, .26);--font-round: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Hiragino Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-pop: "Mochiy Pop One", var(--font-round)}*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-round);line-height:1.7;color:var(--c-ink)}body{min-height:100vh;display:flex;flex-direction:column;background-color:var(--c-bg);background-image:radial-gradient(circle at 12% 18%,rgba(255,210,63,.18),transparent 38%),radial-gradient(circle at 88% 12%,rgba(46,196,182,.16),transparent 40%),radial-gradient(circle at 80% 88%,rgba(155,107,223,.14),transparent 42%),radial-gradient(rgba(255,122,89,.07) 1.4px,transparent 1.4px);background-size:auto,auto,auto,22px 22px;background-attachment:fixed}main{flex:1}h1,h2,h3{font-weight:800;letter-spacing:.01em}a{color:var(--c-primary-dark)}.btn{display:inline-block;padding:.7rem 1.6rem;border:none;border-radius:var(--radius-pill);font-family:var(--font-round);font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;text-align:center;transition:transform .15s ease,box-shadow .2s ease,background .2s ease}.btn:hover:not(:disabled){transform:translateY(-2px)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-pink));color:#fff;box-shadow:0 6px 16px #ff7a5959}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-hover)}.btn-outline{background:#fff;border:2px solid var(--c-line);color:var(--c-primary-dark)}.btn-outline:hover:not(:disabled){background:#fff3ec;border-color:var(--c-primary)}.btn-google{background:#fff;border:2px solid #eee;color:var(--c-ink);width:100%}.btn-google:hover:not(:disabled){background:#f7f7f7}.login-form{max-width:400px;margin:0 auto;padding:2rem;background:var(--c-card);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.login-form h2{margin-bottom:1.5rem;text-align:center}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:700}.form-group input{width:100%;padding:.75rem;border:2px solid var(--c-line);border-radius:var(--radius);font-size:1rem;font-family:var(--font-round)}.form-group input:focus{outline:none;border-color:var(--c-primary)}.login-form .btn-primary{width:100%;margin-top:1rem}.divider{display:flex;align-items:center;margin:1.5rem 0}.divider:before,.divider:after{content:"";flex:1;border-bottom:2px dashed var(--c-line)}.divider span{padding:0 1rem;color:var(--c-muted);font-size:.875rem}.toggle-mode{margin-top:1.5rem;text-align:center;font-size:.875rem;color:var(--c-muted)}.link-button{background:none;border:none;color:var(--c-primary-dark);cursor:pointer;font-size:.875rem;margin-left:.5rem;font-weight:700}.link-button:hover{text-decoration:underline}.error-message{background:#fff0f0;border:2px solid #ffc9c9;color:#e03131;padding:.75rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.875rem}.page-container{max-width:1200px;margin:0 auto;padding:2.5rem 1rem}.card{background:var(--c-card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:1.6rem;border:2px solid #fff;transition:transform .18s ease,box-shadow .2s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.plan-badge{display:inline-block;padding:.25rem .85rem;border-radius:var(--radius-pill);font-size:.75rem;font-weight:800;text-transform:uppercase}.plan-badge.free{background:#f0ecf7;color:var(--c-purple)}.plan-badge.paid{background:#d9f7f2;color:#119e90}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.6rem}.video-card{background:var(--c-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:2px solid #fff;transition:transform .18s ease,box-shadow .2s ease}.video-card:hover{transform:translateY(-6px) rotate(-.6deg);box-shadow:var(--shadow-hover)}.video-thumbnail{width:100%;aspect-ratio:16 / 9;background:linear-gradient(135deg,#ffe6d6,#ffd6e6);display:flex;align-items:center;justify-content:center;color:var(--c-muted)}.video-info{padding:1rem 1.1rem 1.2rem}.video-title{font-weight:700;margin-bottom:.5rem;color:var(--c-ink)}.video-meta{font-size:.875rem;color:var(--c-muted)}.dashboard-header{margin-bottom:2rem}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.stat-card{background:var(--c-card);border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow);border:2px solid #fff}.stat-label{font-size:.875rem;color:var(--c-muted);margin-bottom:.5rem}.stat-value{font-size:1.6rem;font-weight:800;color:var(--c-primary-dark)}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#ff7a59,#ff8fb1 45%,#9b6bdf);color:#fff;padding:4.5rem 1rem 5rem;text-align:center;border-radius:0 0 36px 36px}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:#ffffff29}.hero:before{width:180px;height:180px;top:-50px;left:-40px}.hero:after{width:120px;height:120px;bottom:-30px;right:8%;background:#ffd23f4d}.hero>*{position:relative;z-index:1}.hero h1{font-family:var(--font-pop);font-weight:400;font-size:2.8rem;margin-bottom:1rem;text-shadow:0 3px 0 rgba(0,0,0,.08)}.hero p{font-size:1.2rem;opacity:.97;max-width:620px;margin:0 auto 2rem}.hero .btn{font-size:1.15rem;padding:1rem 2.4rem}.hero .btn-primary{background:#fff;color:var(--c-primary-dark)}.admin-table{width:100%;border-collapse:collapse;background:var(--c-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.admin-table th,.admin-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--c-line)}.admin-table th{background:#fff3ec;font-weight:700;font-size:.875rem;color:var(--c-muted)}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover{background:#fffaf6}.status-badge{display:inline-block;padding:.2rem .7rem;border-radius:var(--radius-pill);font-size:.75rem;font-weight:800}.status-badge.published{background:#d9f7f2;color:#119e90}.status-badge.draft{background:#f3f0f7;color:var(--c-muted)}.markdown-preview{min-height:200px;line-height:1.8}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3{margin-top:1.5rem;margin-bottom:.75rem}.markdown-preview p{margin-bottom:1rem}.markdown-preview pre{background:#fff3ec;padding:1rem;border-radius:var(--radius);overflow-x:auto}.markdown-preview code{background:#fff3ec;padding:.15rem .4rem;border-radius:6px;font-size:.9em}.markdown-preview pre code{background:none;padding:0}.loading{display:flex;align-items:center;justify-content:center;padding:4rem;color:var(--c-muted)}