*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{
    min-height:100vh;
    font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
    color:#f1f5f9;
    background:#0f172a;
    overflow-x:hidden;
}
body::before{
    content:'';position:fixed;inset:0;pointer-events:none;
    background:
        radial-gradient(ellipse 80% 60% at 15% 10%, rgba(59,130,246,.18) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 85% 85%, rgba(139,92,246,.14) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 55% 35%, rgba(99,102,241,.10) 0%, transparent 50%);
}
.container{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:40px 24px 60px}

/* Flash messages */
.flash{padding:12px 20px;border-radius:10px;margin-bottom:20px;font-size:.88rem;backdrop-filter:blur(12px)}
.flash-success{background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.3);color:#86efac}
.flash-error{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.flash-info{background:rgba(59,130,246,.15);border:1px solid rgba(59,130,246,.3);color:#93c5fd}

/* Header */
.header{text-align:center;margin-bottom:48px}
.logo{height:56px;margin-bottom:12px}
.header h1{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header p{color:#94a3b8;font-size:.95rem;margin-top:6px}

/* Section */
.section-title{
    font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
    color:#64748b;margin:36px 0 16px;padding-left:4px;
}

/* ===== Showcase Cards (horizontal, large) ===== */
.showcase{display:flex;flex-direction:column;gap:24px}

.card-showcase{
    display:flex;
    background:rgba(30,41,59,.55);
    backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
    border:1px solid rgba(255,255,255,.07);
    border-radius:20px;
    overflow:hidden;
    text-decoration:none;color:inherit;
    transition:transform .25s,box-shadow .25s,border-color .25s;
    position:relative;
    min-height:280px;
}
.card-showcase::before{
    content:'';position:absolute;top:0;left:0;bottom:0;width:4px;
    background:var(--accent,#3b82f6);opacity:.7;border-radius:20px 0 0 20px;
    z-index:2;
}
.card-showcase:hover{
    transform:translateY(-4px);
    box-shadow:0 24px 60px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.1);
    border-color:rgba(255,255,255,.12);
}

/* Info (left side) */
.card-info{
    flex:0 0 38%;
    padding:32px 28px;
    display:flex;flex-direction:column;gap:12px;
    justify-content:center;
    position:relative;z-index:1;
}
.card-icon{
    width:48px;height:48px;border-radius:14px;
    display:flex;align-items:center;justify-content:center;
    font-size:1.4rem;
    background:var(--icon-bg,rgba(59,130,246,.15));
    color:var(--accent,#3b82f6);
}
.card-title{font-size:1.25rem;font-weight:800;color:#fff;letter-spacing:-.01em}
.card-desc{font-size:.86rem;color:#94a3b8;line-height:1.6}
.card-badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.badge{
    font-size:.7rem;font-weight:600;padding:4px 11px;border-radius:20px;
    background:rgba(255,255,255,.06);color:#94a3b8;border:1px solid rgba(255,255,255,.08);
}
.card-action{margin-top:8px}

/* Preview (right side — screenshot) */
.card-preview{
    flex:1;
    position:relative;
    overflow:hidden;
    display:flex;align-items:center;justify-content:center;
    background:rgba(15,23,42,.4);
}
.card-preview img{
    width:100%;height:100%;
    object-fit:cover;object-position:top left;
    transition:transform .4s ease;
}
.card-showcase:hover .card-preview img{
    transform:scale(1.04);
}
.card-preview::before{
    content:'';position:absolute;left:0;top:0;bottom:0;width:80px;
    background:linear-gradient(to right, rgba(30,41,59,.85) 0%, transparent 100%);
    z-index:1;pointer-events:none;
}
.card-preview .no-image{
    display:flex;align-items:center;justify-content:center;
    width:100%;height:100%;font-size:4rem;
    color:var(--accent,#3b82f6);opacity:.2;
}

/* Accent button */
.btn-accent{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 22px;border-radius:10px;font-size:.85rem;font-weight:600;
    background:var(--accent,#3b82f6);color:#fff;
    transition:filter .15s,gap .15s;
    box-shadow:0 4px 16px color-mix(in srgb, var(--accent) 30%, transparent);
}
.card-showcase:hover .btn-accent{filter:brightness(1.15);gap:12px}

/* ===== Compact cards (FriendChat) ===== */
.grid-small{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}

.card-compact{
    display:flex;align-items:center;gap:14px;
    background:rgba(30,41,59,.55);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border:1px solid rgba(255,255,255,.07);
    border-radius:14px;
    padding:20px;
    text-decoration:none;color:inherit;
    transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card-compact:hover{
    transform:translateY(-3px);
    box-shadow:0 16px 40px rgba(0,0,0,.35);
    border-color:rgba(255,255,255,.12);
}
.card-compact .card-icon{flex-shrink:0}
.card-compact .card-title{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:4px}
.card-compact .card-desc{font-size:.78rem;color:#94a3b8;line-height:1.4}
.card-compact .card-badges{margin-top:8px}

/* ===== Access banner ===== */
.access-banner{
    text-align:center;padding:20px;margin-bottom:24px;
    background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.2);
    border-radius:12px;backdrop-filter:blur(12px);
}
.access-banner p{color:#c4b5fd;font-size:.9rem;margin-bottom:12px}

/* ===== Buttons ===== */
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 24px;border-radius:10px;font-size:.88rem;font-weight:600;
    text-decoration:none;border:none;cursor:pointer;
    transition:all .15s;
}
.btn-primary{background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-sm{padding:7px 16px;font-size:.8rem}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,.15);color:#94a3b8}
.btn-outline:hover{background:rgba(255,255,255,.05);color:#fff}

/* ===== Auth forms ===== */
.auth-card{
    max-width:420px;margin:80px auto;
    background:rgba(30,41,59,.65);backdrop-filter:blur(20px);
    border:1px solid rgba(255,255,255,.08);border-radius:16px;
    padding:36px;
}
.auth-card h2{font-size:1.3rem;font-weight:700;margin-bottom:24px;text-align:center}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.82rem;color:#94a3b8;margin-bottom:6px}
.form-control{
    width:100%;padding:10px 14px;
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
    border-radius:8px;color:#f1f5f9;font-size:.9rem;
    transition:border-color .15s;
}
.form-control:focus{outline:none;border-color:rgba(99,102,241,.5)}
.form-control::placeholder{color:#64748b}
select.phone-select{width:115px;flex-shrink:0}
select.phone-select option{background:#1e293b;color:#f1f5f9;padding:8px}
select.phone-select optgroup{background:#0f172a;color:#64748b;font-style:normal;font-size:.75rem}

/* Footer */
.footer{text-align:center;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.06);color:#475569;font-size:.78rem}
.footer a{color:#64748b}

/* ===== Responsive ===== */
@media(max-width:768px){
    .card-showcase{flex-direction:column;min-height:auto}
    .card-info{flex:none;padding:24px 20px}
    .card-preview{height:200px}
    .card-preview::before{
        top:auto;left:0;right:0;bottom:auto;
        width:100%;height:40px;
        background:linear-gradient(to bottom, rgba(30,41,59,.85) 0%, transparent 100%);
    }
    .card-showcase::before{
        top:0;left:0;right:0;bottom:auto;
        width:100%;height:3px;
        border-radius:20px 20px 0 0;
    }
    .container{padding:24px 16px 40px}
    .header h1{font-size:1.4rem}
    .grid-small{grid-template-columns:1fr}
}