/* AI Paraphraser Pro — Styles */
#app-wrap*,#app-wrap *::before,#app-wrap *::after{box-sizing:border-box;margin:0;padding:0}
#app-wrap{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:15px;line-height:1.6;color:#1a1a2e;max-width:1200px;margin:0 auto;padding:0 16px 80px}
.app-nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:#fff;border-radius:16px;margin-bottom:32px;box-shadow:0 2px 20px rgba(16,185,129,0.08);border:1px solid #ecfdf5;flex-wrap:wrap;gap:12px}
.app-nav-brand{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:800;color:#1a1a2e}
.app-nav-logo{color:#10b981;font-size:22px}
.app-nav-tools{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.app-nav-link{padding:8px 14px;border-radius:10px;font-size:13px;font-weight:600;color:#666;text-decoration:none;transition:all 0.2s;white-space:nowrap}
.app-nav-link:hover{background:#ecfdf5;color:#10b981;text-decoration:none}
.app-nav-link.active{background:linear-gradient(135deg,#10b981,#059669);color:#fff}
.app-nav-auth{display:flex;align-items:center;gap:8px}
#app-user-info{display:flex;align-items:center;gap:8px}
.app-user-name{font-size:14px;font-weight:600;color:#444}
.app-plan-badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;text-transform:uppercase;background:#ecfdf5;color:#10b981}
.app-plan-badge.paid{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff}
@media(max-width:768px){.app-nav-tools{display:none}}
.app-hero{text-align:center;padding:60px 20px 40px;position:relative}
.app-hero::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:600px;height:300px;background:radial-gradient(ellipse at center,rgba(16,185,129,0.08) 0%,transparent 70%);pointer-events:none}
.app-hero-badge{display:inline-flex;align-items:center;gap:6px;background:#ecfdf5;color:#10b981;font-size:13px;font-weight:600;padding:6px 16px;border-radius:100px;margin-bottom:20px;border:1px solid #a7f3d0}
.app-hero-title{font-size:52px;font-weight:900;color:#1a1a2e;letter-spacing:-1.5px;line-height:1.1;margin-bottom:16px}
@media(max-width:768px){.app-hero-title{font-size:32px}}
.app-gradient-text{background:linear-gradient(135deg,#10b981,#059669,#0891b2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.app-hero-sub{font-size:18px;color:#64748b;max-width:600px;margin:0 auto 32px;line-height:1.7}
.app-hero-stats{display:inline-flex;align-items:center;background:#fff;border:1px solid #e8e8f0;border-radius:100px;padding:12px 24px;box-shadow:0 4px 20px rgba(0,0,0,0.06)}
.app-stat{text-align:center;padding:0 20px}
.app-stat strong{display:block;font-size:20px;font-weight:800;background:linear-gradient(135deg,#10b981,#059669);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.app-stat span{font-size:12px;color:#888;text-transform:uppercase;letter-spacing:0.5px}
.app-stat-divider{width:1px;height:40px;background:#e8e8f0}
.app-usage-wrap{margin-bottom:24px;background:#fff;border:1px solid #e8e8f0;border-radius:14px;padding:14px 20px}
.app-usage-info{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:13px;color:#555}
.app-upgrade-link{color:#10b981;font-weight:700;cursor:pointer;font-size:13px}
.app-usage-track{height:8px;background:#e8e8f0;border-radius:4px;overflow:hidden}
.app-usage-fill{height:100%;background:linear-gradient(90deg,#10b981,#059669);border-radius:4px;transition:width 0.4s ease}
.app-tool-card{background:#fff;border-radius:24px;box-shadow:0 4px 40px rgba(16,185,129,0.08);border:1px solid #ecfdf5;overflow:hidden;margin-bottom:32px}
.app-toolbar{display:flex;align-items:flex-start;justify-content:space-between;padding:16px 20px;background:linear-gradient(135deg,#f8fffe,#ecfdf5);border-bottom:1px solid #d1fae5;flex-wrap:wrap;gap:12px}
.app-toolbar-left,.app-toolbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.app-toolbar-label{font-size:12px;font-weight:700;color:#666;text-transform:uppercase;letter-spacing:0.5px;white-space:nowrap}
.app-mode-wrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.app-mode-btns{display:flex;gap:6px;flex-wrap:wrap}
.app-mode-btn{padding:7px 14px;border:1.5px solid #e0e0e8;border-radius:10px;background:#fff;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;color:#666;transition:all 0.2s;white-space:nowrap}
.app-mode-btn:hover{border-color:#10b981;color:#10b981;background:#f0fdf9}
.app-mode-btn.active{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-color:transparent}
.app-mode-btn.paid-mode{opacity:0.7}
.app-pro-tag-sm{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff;font-size:9px;font-weight:800;padding:2px 5px;border-radius:4px;text-transform:uppercase;vertical-align:middle;margin-left:3px}
.app-editor-grid{display:grid;grid-template-columns:1fr 1fr;min-height:400px}
@media(max-width:720px){.app-editor-grid{grid-template-columns:1fr}}
.app-editor-panel{display:flex;flex-direction:column;border-right:1px solid #ecfdf5}
.app-output-panel{border-right:none}
.app-editor-label{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;font-size:12px;font-weight:600;color:#888;text-transform:uppercase;letter-spacing:0.8px;border-bottom:1px solid #f0f0f8;background:#fafafa}
.app-char-count{font-size:12px;color:#aaa;font-weight:400;text-transform:none;letter-spacing:0}
.app-textarea{flex:1;padding:20px;border:none;outline:none;font-family:inherit;font-size:14px;line-height:1.8;color:#333;resize:none;background:transparent;min-height:300px}
.app-textarea::placeholder{color:#c0c0d0}
.app-editor-footer{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-top:1px solid #ecfdf5;background:#f8fffe}
.app-word-stats{font-size:12px;color:#aaa}
.app-paraphrase-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;border-radius:12px;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;transition:all 0.2s;box-shadow:0 4px 15px rgba(16,185,129,0.3)}
.app-paraphrase-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(16,185,129,0.4)}
.app-paraphrase-btn:active{transform:scale(0.98)}
.app-output-area{flex:1;padding:20px;overflow-y:auto;min-height:300px}
.app-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#ccc;text-align:center;min-height:200px}
.app-placeholder-icon{font-size:40px;opacity:0.3}
.app-placeholder p{font-size:15px;color:#c0c0d0}
.app-placeholder small{font-size:12px;color:#d0d0e0}
.app-output-text{font-size:14px;line-height:1.9;color:#2d2d4e;white-space:pre-wrap}
.app-output-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-top:1px solid #ecfdf5;background:#f0fdf9}
.app-success-tag{font-size:13px;color:#059669;font-weight:600}
.app-output-words{font-size:12px;color:#aaa}
.app-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,0.3);border-top-color:#fff;border-radius:50%;animation:app-spin 0.7s linear infinite}
@keyframes app-spin{to{transform:rotate(360deg)}}
.app-history-panel{background:#fff;border:1px solid #ecfdf5;border-radius:16px;padding:20px;margin-bottom:24px;box-shadow:0 2px 20px rgba(16,185,129,0.06)}
.app-history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.app-history-header h3{font-size:16px;font-weight:700;color:#1a1a2e}
.app-history-list{display:flex;flex-direction:column;gap:10px}
.app-history-item{background:#f8fffe;border:1px solid #d1fae5;border-radius:10px;padding:14px;cursor:pointer;transition:all 0.2s}
.app-history-item:hover{border-color:#10b981;background:#ecfdf5}
.app-history-item-meta{font-size:11px;color:#aaa;margin-bottom:6px}
.app-history-item-text{font-size:13px;color:#444;line-height:1.5}
.app-limit-banner{background:linear-gradient(135deg,#fff7ed,#fef3c7);border:1.5px solid #f59e0b;border-radius:16px;padding:24px 32px;text-align:center;margin-bottom:24px}
.app-limit-banner h3{font-size:20px;font-weight:700;color:#92400e;margin-bottom:8px}
.app-limit-banner p{color:#78350f;font-size:14px}
.app-upgrade-section{margin-top:48px}
.app-upgrade-header{text-align:center;margin-bottom:40px}
.app-upgrade-header h2{font-size:36px;font-weight:800;color:#1a1a2e;margin-bottom:10px}
.app-upgrade-header p{font-size:16px;color:#64748b}
.app-features-compare{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
@media(max-width:768px){.app-features-compare{grid-template-columns:1fr}}
.app-plan-card{background:#fff;border:1.5px solid #e8e8f0;border-radius:20px;padding:28px;position:relative}
.app-plan-popular{border-color:#10b981;box-shadow:0 8px 40px rgba(16,185,129,0.15)}
.app-plan-value{border-color:#f59e0b;box-shadow:0 8px 40px rgba(245,158,11,0.1)}
.app-popular-badge,.app-value-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:700;padding:5px 16px;border-radius:100px;white-space:nowrap}
.app-popular-badge{background:linear-gradient(135deg,#10b981,#059669);color:#fff}
.app-value-badge{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff}
.app-plan-name{font-size:13px;font-weight:700;color:#888;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.app-plan-price{font-size:40px;font-weight:900;color:#1a1a2e;margin-bottom:20px}
.app-plan-price span{font-size:14px;font-weight:400;color:#888}
.app-plan-features{list-style:none;margin-bottom:24px}
.app-plan-features li{font-size:14px;padding:7px 0;border-bottom:1px solid #f5f5f5;color:#555}
.app-plan-features li.no{color:#ccc}
.app-plan-features li:last-child{border-bottom:none}
.app-btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:10px;font-family:inherit;font-weight:600;cursor:pointer;transition:all 0.15s;text-decoration:none;justify-content:center}
.app-btn:active{transform:scale(0.97)}
.app-btn-primary{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 4px 15px rgba(16,185,129,0.3)}
.app-btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(16,185,129,0.4);color:#fff;text-decoration:none}
.app-btn-ghost{background:transparent;color:#666;border:1px solid #e0e0e8}
.app-btn-ghost:hover{background:#f0fdf9;border-color:#10b981;color:#10b981}
.app-btn-ghost:disabled{opacity:0.5;cursor:not-allowed}
.app-btn-sm{padding:8px 16px;font-size:13px}
.app-btn-xs{padding:5px 10px;font-size:12px}
.app-btn-full{width:100%;padding:14px}
.app-select{padding:8px 12px;border:1.5px solid #e0e0e8;border-radius:10px;font-family:inherit;font-size:13px;color:#444;background:#fff;outline:none;cursor:pointer}
.app-select:focus{border-color:#10b981}
.app-modal-overlay{position:fixed;inset:0;background:rgba(10,10,30,0.6);z-index:99999;display:flex;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(4px)}
.app-modal{background:#fff;border-radius:24px;padding:40px 36px;width:100%;max-width:440px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,0.2)}
.app-modal-close{position:absolute;top:16px;right:18px;background:none;border:none;font-size:24px;color:#aaa;cursor:pointer}
.app-modal-logo{font-size:36px;text-align:center;margin-bottom:12px}
.app-modal-title{font-size:24px;font-weight:800;color:#1a1a2e;margin-bottom:6px;text-align:center}
.app-modal-sub{font-size:14px;color:#888;margin-bottom:24px;text-align:center}
.app-form-group{margin-bottom:16px}
.app-form-group label{display:block;font-size:13px;font-weight:600;color:#555;margin-bottom:6px}
.app-input{width:100%;padding:12px 16px;border:1.5px solid #e0e0e8;border-radius:12px;font-family:inherit;font-size:14px;color:#333;outline:none;transition:border-color 0.2s}
.app-input:focus{border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,0.1)}
.app-form-error{background:#fff5f5;border:1px solid #ffd0d0;color:#c0392b;font-size:13px;padding:10px 14px;border-radius:10px;margin-bottom:14px}
.app-form-switch{text-align:center;font-size:13px;color:#888;margin-top:16px}
.app-form-switch a{color:#10b981;text-decoration:none;font-weight:700}
.app-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#1a1a2e;color:#fff;padding:12px 24px;border-radius:100px;font-size:14px;font-weight:500;z-index:999999;white-space:nowrap;box-shadow:0 8px 30px rgba(0,0,0,0.2)}