/* ===== VARS ===== */
:root{--primary:#6366f1;--primary-light:#e0e7ff;--danger:#ef4444;--success:#22c55e;--bg:#f8fafc;--card:#fff;--text:#1e293b;--text2:#64748b;--muted:#94a3b8;--border:#e2e8f0;--shadow:0 4px 6px -1px rgba(0,0,0,.1);--r:12px;--rs:8px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
.app{max-width:800px;margin:0 auto;padding:0 20px}

/* Header */
.header{padding:40px 0 20px;text-align:center}
.logo{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.subtitle{color:var(--text2);font-size:1.1rem;margin-top:8px}

/* Form */
.form-section{margin-bottom:40px}
.form-card{background:var(--card);border-radius:var(--r);padding:32px;box-shadow:var(--shadow);border:1px solid var(--border)}
.form-card h2{font-size:1.4rem;font-weight:700;margin-bottom:24px}
.form-group{margin-bottom:20px;position:relative}
.form-group label{display:block;font-weight:600;margin-bottom:8px;font-size:.95rem}
.form-group small{font-weight:400;color:var(--muted);font-size:.85rem}
input[type=text],input[type=password],textarea{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--rs);font-size:1rem;font-family:inherit;transition:all .2s;background:var(--bg)}
input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);background:#fff}
textarea{resize:vertical;min-height:80px}
.char-count{position:absolute;right:12px;bottom:12px;font-size:.8rem;color:var(--muted)}

/* Mood */
.mood-selector{display:flex;flex-wrap:wrap;gap:10px}
.mood-btn{width:48px;height:48px;border:2px solid var(--border);border-radius:var(--rs);background:var(--bg);font-size:1.5rem;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}
.mood-btn:hover{border-color:var(--primary);transform:scale(1.1)}
.mood-btn.selected{border-color:var(--primary);background:var(--primary-light);transform:scale(1.1)}

/* Buttons */
.submit-btn{width:100%;padding:14px 24px;background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff;border:none;border-radius:var(--rs);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .2s}
.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(0,0,0,.1)}
.submit-btn:disabled{opacity:.7;cursor:not-allowed}
.btn-secondary{padding:12px 24px;border:2px solid var(--border);border-radius:var(--rs);background:#fff;color:var(--text);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}
.btn-danger{padding:10px 20px;background:var(--danger);color:#fff;border:none;border-radius:var(--rs);font-size:1rem;font-weight:500;cursor:pointer}
.btn-danger:hover{background:#dc2626}

/* Success */
.success-message{display:none;text-align:center;padding:24px;animation:fadeIn .3s}
.success-message.show{display:block}
.success-icon{font-size:4rem;margin-bottom:16px}
.success-message h3{font-size:1.3rem;color:var(--success);margin-bottom:12px}
.secret-display{background:var(--bg);padding:16px;border-radius:var(--rs);font-family:monospace;font-size:1.2rem;font-weight:700;color:var(--primary);margin:16px 0;word-break:break-all;border:2px dashed var(--primary)}
.success-hint{color:var(--muted);font-size:.9rem;margin-bottom:16px}

/* Messages */
.messages-section{padding-bottom:60px}
.messages-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:24px}
.messages-header h2{font-size:1.4rem;font-weight:700}
.mood-filter{display:flex;gap:6px;flex-wrap:wrap}
.filter-btn{padding:6px 12px;border:1px solid var(--border);border-radius:20px;background:#fff;font-size:.9rem;cursor:pointer;transition:all .2s}
.filter-btn:hover{border-color:var(--primary)}
.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.messages-list{display:flex;flex-direction:column;gap:16px}
.message-card{background:var(--card);border-radius:var(--r);padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.05);border:1px solid var(--border);animation:slideIn .3s;transition:all .2s}
.message-card:hover{box-shadow:var(--shadow)}
.message-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;color:#fff;text-transform:uppercase;flex-shrink:0}
.message-meta{flex:1;min-width:0}
.message-name{font-weight:600;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.message-time{font-size:.8rem;color:var(--muted)}
.message-mood{font-size:1.5rem}
.message-text{font-size:1rem;line-height:1.6;word-wrap:break-word;white-space:pre-wrap}
.message-footer{display:flex;justify-content:flex-end;margin-top:12px}
.delete-btn{padding:6px 12px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--muted);font-size:.85rem;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:4px}
.delete-btn:hover{color:var(--danger);border-color:var(--danger);background:#fef2f2}

/* Loading */
.loading{display:none;text-align:center;padding:40px;color:var(--muted)}
.loading.show{display:block}
.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}

/* Modal */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:var(--r);width:100%;max-width:400px;box-shadow:0 10px 15px -3px rgba(0,0,0,.1);animation:slideUp .3s}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border)}
.modal-close{width:32px;height:32px;border:none;background:none;font-size:1.5rem;cursor:pointer;color:var(--muted);border-radius:6px}
.modal-close:hover{background:#f1f5f9;color:var(--text)}
.modal-body{padding:20px}
.modal-body p{margin-bottom:16px;color:var(--text2)}
.modal-error{color:var(--danger);font-size:.9rem;margin-top:12px}
.modal-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 20px;border-top:1px solid var(--border)}
.form-input{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--rs);font-size:1rem}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--text);color:#fff;padding:12px 24px;border-radius:var(--rs);font-size:.95rem;z-index:1001;transition:transform .3s;box-shadow:0 10px 15px -3px rgba(0,0,0,.1)}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.error{background:var(--danger)}
.toast.success{background:var(--success)}

/* Animations */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}

@media(max-width:600px){.header{padding:24px 0 16px}.logo{font-size:1.8rem}.form-card{padding:20px}.messages-header{flex-direction:column;align-items:flex-start}.mood-btn{width:42px;height:42px;font-size:1.3rem}.message-card{padding:16px}}