/* AYNUR SYNC - PREMIUM DESIGN SYSTEM */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root{
  --bg:#06060a;--bg2:#0a0a12;--bg3:#11111a;--bg4:#181824;--bg5:#222230;
  --primary:#00d4ff;--primary-dim:#0099cc;--accent:#ff006e;--accent2:#8338ec;
  --success:#00ff88;--warn:#ffbe0b;--danger:#ff4444;
  --text:#f0f0f5;--text-dim:#8b8b9e;--text-dark:#5a5a6e;
  --border:rgba(255,255,255,0.06);--border-hover:rgba(0,212,255,0.2);
  --glass:rgba(17,17,26,0.75);--glass-border:rgba(255,255,255,0.08);
  --shadow:0 20px 60px rgba(0,0,0,0.6);--shadow-sm:0 4px 20px rgba(0,0,0,0.3);
  --radius-xl:24px;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;
  --transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;
  min-height:100vh;overflow-x:hidden;line-height:1.5;-webkit-font-smoothing:antialiased;
}

/* Animated Background */
.bg-anim{
  position:fixed;inset:0;z-index:-2;overflow:hidden;
  background:radial-gradient(ellipse at 20% 50%,#0f1729 0%,#020204 60%,#0a0a1a 100%);
}
.bg-anim::before,.bg-anim::after{
  content:'';position:absolute;border-radius:50%;filter:blur(120px);opacity:0.15;
}
.bg-anim::before{
  width:600px;height:600px;background:linear-gradient(135deg,var(--primary),var(--accent2));
  top:-10%;right:-10%;animation:float1 20s ease-in-out infinite;
}
.bg-anim::after{
  width:500px;height:500px;background:linear-gradient(135deg,var(--accent),var(--primary));
  bottom:-10%;left:-10%;animation:float2 25s ease-in-out infinite;
}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-50px,50px) scale(1.1)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(50px,-30px) scale(1.15)}}

/* Stars */
.stars{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 20px 30px,rgba(255,255,255,0.25),transparent),
    radial-gradient(1px 1px at 40px 70px,rgba(255,255,255,0.15),transparent),
    radial-gradient(2px 2px at 50px 160px,rgba(255,255,255,0.2),transparent),
    radial-gradient(1px 1px at 130px 80px,rgba(255,255,255,0.15),transparent),
    radial-gradient(1.5px 1.5px at 250px 200px,rgba(255,255,255,0.2),transparent);
  background-size:280px 280px;animation:starsMove 15s linear infinite;
}
@keyframes starsMove{from{transform:translateY(0)}to{transform:translateY(-280px)}}

.container{max-width:1280px;margin:0 auto;padding:24px}

/* Glass Card */
.glass{
  background:var(--glass);backdrop-filter:blur(24px) saturate(1.4);
  border:1px solid var(--glass-border);border-radius:var(--radius-xl);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,0.04);
  transition:var(--transition);
}
.glass:hover{border-color:var(--border-hover)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border:none;border-radius:var(--radius-lg);
  font-family:'Inter',sans-serif;font-size:14px;font-weight:700;
  cursor:pointer;transition:var(--transition);letter-spacing:0.3px;
  text-transform:none;position:relative;overflow:hidden;
}
.btn::before{
  content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,0.15),transparent);
  opacity:0;transition:opacity 0.3s;
}
.btn:hover::before{opacity:1}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dim));
  color:#000;box-shadow:0 4px 24px rgba(0,212,255,0.35);
}
.btn-primary:hover{box-shadow:0 8px 32px rgba(0,212,255,0.5)}

.btn-secondary{
  background:var(--bg4);color:var(--text);border:1px solid var(--border);
}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:var(--bg5)}

.btn-danger{
  background:linear-gradient(135deg,var(--accent),#ff4d6d);color:#fff;
  box-shadow:0 4px 20px rgba(255,0,110,0.3);
}
.btn-danger:hover{box-shadow:0 8px 28px rgba(255,0,110,0.45)}

.btn-glow{
  background:linear-gradient(135deg,var(--primary),var(--accent2));
  color:#fff;box-shadow:0 0 30px rgba(0,212,255,0.4);
  animation:glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse{
  0%,100%{box-shadow:0 0 30px rgba(0,212,255,0.4)}
  50%{box-shadow:0 0 50px rgba(131,56,236,0.5),0 0 30px rgba(0,212,255,0.3)}
}

/* Inputs */
.input{
  width:100%;padding:16px 20px;background:var(--bg4);border:1.5px solid var(--border);
  border-radius:var(--radius-lg);color:var(--text);font-family:'Inter',sans-serif;
  font-size:15px;transition:var(--transition);outline:none;
}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(0,212,255,0.12);background:var(--bg5)}
.input::placeholder{color:var(--text-dark);font-weight:400}

/* Logo */
.logo{
  font-size:48px;font-weight:900;letter-spacing:-2px;
  background:linear-gradient(135deg,#00f3ff,#ff00ff,#00ff9d);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  filter:drop-shadow(0 0 30px rgba(0,243,255,0.25));
  text-align:center;line-height:1.1;
}
.logo-sm{font-size:32px}

.subtitle{
  text-align:center;color:var(--text-dim);margin-top:12px;margin-bottom:48px;
  font-size:17px;font-weight:400;letter-spacing:0.3px;
}

/* Error */
.error{
  color:var(--danger);font-size:13px;margin-top:10px;font-weight:600;
  display:none;align-items:center;gap:6px;
}
.error.show{display:flex}
.error::before{content:'⚠';font-size:14px}

.hidden{display:none!important}

/* Footer */
.footer{
  margin-top:80px;padding:50px 0 30px;border-top:1px solid var(--border);
  text-align:center;
}
.footer-links{
  display:flex;justify-content:center;gap:32px;margin-bottom:28px;flex-wrap:wrap;
}
.footer-links a{
  color:var(--text-dim);text-decoration:none;font-size:14px;font-weight:500;
  transition:var(--transition);position:relative;
}
.footer-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));transition:width 0.3s;
}
.footer-links a:hover{color:var(--text)}
.footer-links a:hover::after{width:100%}

.insta-links{display:flex;justify-content:center;gap:20px;margin:24px 0}
.insta-btn{
  width:56px;height:56px;border-radius:var(--radius-lg);
  background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;
  text-decoration:none;transition:var(--transition);
  box-shadow:0 6px 20px rgba(220,39,67,0.3);position:relative;overflow:hidden;
}
.insta-btn::before{
  content:'';position:absolute;inset:0;background:rgba(255,255,255,0.1);opacity:0;transition:0.3s;
}
.insta-btn:hover::before{opacity:1}
.insta-btn:hover{transform:translateY(-5px) scale(1.08);box-shadow:0 12px 30px rgba(220,39,67,0.5)}

.copyright{
  font-size:13px;color:var(--text-dark);line-height:2;margin-top:16px;
}
.copyright strong{color:var(--text-dim);font-weight:600}

/* Modal */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.85);backdrop-filter:blur(16px);
  display:none;align-items:center;justify-content:center;z-index:1000;padding:20px;
  animation:fadeIn 0.2s ease;
}
.modal-overlay.active{display:flex}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.modal{
  width:100%;max-width:520px;padding:36px;position:relative;
  animation:modalSlide 0.35s cubic-bezier(0.4,0,0.2,1);
}
@keyframes modalSlide{from{opacity:0;transform:translateY(30px) scale(0.96)}to{opacity:1;transform:translateY(0) scale(1)}}

.modal-title{
  font-size:26px;font-weight:800;margin-bottom:28px;display:flex;align-items:center;gap:14px;
  background:linear-gradient(135deg,var(--text),var(--text-dim));-webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.modal-close{
  position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:50%;
  background:none;border:none;color:var(--text-dim);font-size:24px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:var(--transition);
}
.modal-close:hover{background:rgba(255,255,255,0.08);color:#fff}

/* FAB */
.fab{
  position:fixed;bottom:36px;left:50%;transform:translateX(-50%);
  width:72px;height:72px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--primary),var(--accent2));
  color:#fff;font-size:28px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 40px rgba(0,212,255,0.4),0 0 0 4px rgba(0,212,255,0.1);
  transition:var(--transition);z-index:100;
}
.fab:hover{transform:translateX(-50%) scale(1.1);box-shadow:0 12px 50px rgba(0,212,255,0.6),0 0 0 6px rgba(0,212,255,0.15)}
.fab i{pointer-events:none}

/* Section Title */
.section-title{
  font-size:32px;font-weight:800;margin-bottom:32px;letter-spacing:-0.5px;
  display:flex;align-items:center;gap:12px;
}
.section-title::after{
  content:'';flex:1;height:1px;background:linear-gradient(90deg,var(--border),transparent);
}

/* Empty State */
.empty-state{
  text-align:center;padding:80px 24px;color:var(--text-dim);
}
.empty-state i{
  font-size:64px;margin-bottom:20px;display:block;
  background:linear-gradient(135deg,var(--primary),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.empty-state div:first-of-type{font-size:22px;font-weight:700;color:var(--text);margin-bottom:8px}

@media(max-width:768px){
  .logo{font-size:36px}.section-title{font-size:24px}
  .container{padding:16px}.footer-links{gap:20px}
}