:root { --bg: #09090b; --bg-card: #18181b; --text: #fafafa; --text-muted: #a1a1aa; --border: #27272a; --primary: #f43f5e; --primary-hover: #e11d48; --success: #10b981; --danger: #ef4444; --warning: #f59e0b; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', -apple-system, sans-serif; }
body { background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--primary); text-decoration: none; transition: 0.2s; }
a:hover { opacity: 0.8; }

/* NAVBAR */
.navbar { background: rgba(9,9,11,0.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); padding: 15px 20px; position: sticky; top: 0; z-index: 100; display: flex; justify-content: center; }
.nav-inner { max-width: 600px; width: 100%; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.2em; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.logo i { color: var(--primary); }
.nav-links a { font-size: 0.9em; font-weight: 600; margin-left: 15px; color: var(--text-muted); }
.nav-links a:hover { color: var(--text); }

/* CONTAINER */
.container { max-width: 600px; margin: 0 auto; padding: 40px 20px; width: 100%; flex: 1; }
.auth-container { max-width: 400px; margin: 60px auto; width: 100%; padding: 0 20px; }

/* CARDS */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 24px; padding: 30px; }
.card-center { text-align: center; }

/* FORMS */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9em; color: var(--text-muted); }
.form-group input, .form-group textarea { width: 100%; padding: 15px 20px; border: 1px solid var(--border); border-radius: 16px; background: var(--bg); color: var(--text); font-family: inherit; font-size: 1em; outline: none; transition: 0.2s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(244,63,94,0.15); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* BUTTONS */
.btn { padding: 14px 24px; border-radius: 16px; border: none; font-weight: 700; font-family: inherit; font-size: 1em; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; transition: 0.2s; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 0.85em; border-radius: 12px; }

/* ALERTS */
.alert { padding: 15px 20px; border-radius: 12px; margin-bottom: 20px; font-size: 0.9em; text-align: center; }
.alert-success { background: rgba(16,185,129,0.1); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }
.alert-error { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }

/* INBOX / MESSAGES */
.msg-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 25px; margin-bottom: 15px; transition: 0.2s; }
.msg-card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.15); }
.msg-content { font-size: 1.1em; line-height: 1.6; margin-bottom: 15px; word-wrap: break-word; }
.msg-time { font-size: 0.8em; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }

/* PROFILE HEADER */
.profile-header { text-align: center; margin-bottom: 30px; }
.profile-avatar { width: 80px; height: 80px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #f43f5e); display: flex; align-items: center; justify-content: center; font-size: 2em; font-weight: 800; color: #fff; margin: 0 auto 15px; box-shadow: 0 10px 30px rgba(244,63,94,0.3); }
.profile-name { font-size: 1.5em; font-weight: 800; margin-bottom: 5px; }
.profile-link { color: var(--text-muted); font-size: 0.9em; margin-bottom: 20px; }

/* FOOTER */
.footer { text-align: center; padding: 30px 20px; color: var(--text-muted); font-size: 0.85em; border-top: 1px solid var(--border); margin-top: auto; }