/* ============================================================
   MEDIK — Master Design System  v1.0
   Deep-space dark UI · Neon accents · Full component library
   ============================================================ */

/* ── Fonts ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Exo+2:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300&family=JetBrains+Mono:wght@300;400;500&display=swap');

/* ── CSS Variables: Dark (default) ─────────────────────────── */
:root,[data-theme="dark"]{
  --bg-primary:#030b14;
  --bg-secondary:#060f1e;
  --bg-card:#0a1628;
  --bg-glass:rgba(6,15,30,.75);
  --bg-input:rgba(6,15,30,.95);
  --accent-cyan:#00d4ff;
  --accent-teal:#00ffcc;
  --accent-blue:#0066ff;
  --accent-purple:#7b2fff;
  --accent-green:#00ff88;
  --accent-red:#ff3366;
  --text-primary:#e8f4fd;
  --text-secondary:#7fa8c9;
  --text-muted:#3d6080;
  --border-dim:rgba(0,212,255,.08);
  --border-card:rgba(0,212,255,.15);
  --border-glow:rgba(0,212,255,.45);
  --shadow-card:0 8px 32px rgba(0,0,0,.45),0 0 0 1px rgba(0,212,255,.07);
  --shadow-neon:0 0 24px rgba(0,212,255,.2),0 8px 32px rgba(0,0,0,.5);
  --shadow-btn:0 0 20px rgba(0,212,255,.4),0 4px 16px rgba(0,0,0,.3);
  --font-display:'Orbitron','Courier New',monospace;
  --font-body:'Exo 2','Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','Courier New',monospace;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --radius-xl:24px;
  --transition:all .2s ease;
  --transition-slow:all .4s ease;
}

/* ── CSS Variables: Light ───────────────────────────────────── */
[data-theme="light"]{
  --bg-primary:#f0f4f8;
  --bg-secondary:#e2eaf3;
  --bg-card:#ffffff;
  --bg-glass:rgba(255,255,255,.88);
  --bg-input:#ffffff;
  --accent-cyan:#0055cc;
  --accent-teal:#008855;
  --accent-blue:#0033aa;
  --accent-purple:#5500cc;
  --accent-green:#008844;
  --accent-red:#cc0033;
  --text-primary:#0a1628;
  --text-secondary:#334e68;
  --text-muted:#627d98;
  --border-dim:rgba(0,85,204,.1);
  --border-card:rgba(0,85,204,.18);
  --border-glow:rgba(0,85,204,.4);
  --shadow-card:0 4px 24px rgba(0,0,0,.08),0 0 0 1px rgba(0,85,204,.06);
  --shadow-neon:0 0 16px rgba(0,85,204,.15),0 4px 24px rgba(0,0,0,.1);
  --shadow-btn:0 0 14px rgba(0,85,204,.3),0 4px 12px rgba(0,0,0,.15);
}

/* ── Reset ──────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  background-color:var(--bg-primary);
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
  transition:background-color .3s ease,color .3s ease;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
input[type="number"]{-moz-appearance:textfield}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none}

/* ── Animated Background ────────────────────────────────────── */
.med-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}

.grid-lines{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,212,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,212,255,.035) 1px,transparent 1px);
  background-size:60px 60px;
  animation:gridDrift 25s linear infinite;
}
[data-theme="light"] .grid-lines{
  background-image:
    linear-gradient(rgba(0,85,204,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,85,204,.06) 1px,transparent 1px);
}
@keyframes gridDrift{0%{transform:translate(0,0)}100%{transform:translate(60px,60px)}}

.particles{position:absolute;inset:0}
.particle{
  position:absolute;bottom:-10px;
  background:var(--accent-cyan);border-radius:50%;opacity:0;
  animation:particleFloat linear infinite;
  box-shadow:0 0 6px var(--accent-cyan);
}
@keyframes particleFloat{
  0%{bottom:-10px;opacity:0;transform:translateX(0) scale(1)}
  10%{opacity:.55}90%{opacity:.15}
  100%{bottom:100%;opacity:0;transform:translateX(40px) scale(.3)}
}

.scan-line{
  position:absolute;inset:0;
  background:linear-gradient(transparent 0%,rgba(0,212,255,.022) 50%,transparent 100%);
  background-size:100% 8px;
  animation:scanMove 10s linear infinite;
}
[data-theme="light"] .scan-line{opacity:.4}
@keyframes scanMove{0%{background-position:0 0}100%{background-position:0 800px}}

/* ── Layout ─────────────────────────────────────────────────── */
.page-wrapper{position:relative;z-index:1;flex:1;display:flex;flex-direction:column}

/* ── Navbar ─────────────────────────────────────────────────── */
.med-nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 2rem;
  background:rgba(3,11,20,.88);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border-dim);
  transition:var(--transition);
}
[data-theme="light"] .med-nav{background:rgba(240,244,248,.94)}

.med-nav-logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:900;font-size:1rem;color:#fff;
  box-shadow:0 0 14px rgba(0,212,255,.35);
  flex-shrink:0;
}
.logo-text{font-family:var(--font-display);font-size:1.1rem;font-weight:800;letter-spacing:.12em;color:var(--text-primary)}
.logo-text span{color:var(--accent-cyan)}

.med-nav-links{display:flex;align-items:center;gap:.2rem;list-style:none}
.med-nav-links a{
  display:block;padding:.45rem .9rem;
  font-size:.875rem;font-weight:500;
  color:var(--text-secondary);text-decoration:none;
  border-radius:var(--radius-md);transition:var(--transition);
}
.med-nav-links a:hover,.med-nav-links a.active{
  color:var(--text-primary);background:rgba(0,212,255,.08)
}
.med-nav-links a.active{color:var(--accent-cyan)}

.nav-actions{display:flex;align-items:center;gap:.625rem}

/* Theme toggle */
.theme-toggle{
  width:40px;height:22px;
  background:var(--border-dim);border:1px solid var(--border-card);
  border-radius:100px;cursor:pointer;position:relative;transition:var(--transition);
  flex-shrink:0;
}
.theme-toggle::before{
  content:'🌙';position:absolute;left:2px;top:50%;transform:translateY(-50%);
  font-size:14px;line-height:1;transition:var(--transition);
}
[data-theme="light"] .theme-toggle::before{content:'☀️';left:calc(100% - 20px)}

/* Dropdown */
.dropdown-item{
  display:flex;align-items:center;gap:.6rem;
  padding:.6rem .75rem;font-size:.875rem;
  color:var(--text-secondary);text-decoration:none;
  border-radius:var(--radius-sm);transition:var(--transition);
}
.dropdown-item:hover{background:var(--border-dim);color:var(--text-primary)}
.dropdown-item i{width:16px;text-align:center;font-size:.8rem}

/* Mobile nav */
@media(max-width:768px){
  .med-nav{padding:0 1rem}
  .med-nav-links{display:none}
  .nav-hamburger{display:block!important}
  #navLinks{
    display:none;position:fixed;top:64px;left:0;right:0;
    background:var(--bg-card);border-bottom:1px solid var(--border-dim);
    padding:1rem;flex-direction:column;gap:.5rem;z-index:998;
  }
  #navLinks.open{display:flex!important}
  #navLinks li{width:100%}
  #navLinks a{display:block;padding:.75rem 1rem;border-radius:var(--radius-sm)}
}
.nav-hamburger{display:none;background:transparent;border:none;color:var(--text-primary);font-size:1.25rem;cursor:pointer}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.65rem 1.4rem;border-radius:var(--radius-md);
  font-family:var(--font-body);font-size:.875rem;font-weight:600;
  cursor:pointer;transition:var(--transition);
  text-decoration:none;border:none;
  letter-spacing:.02em;white-space:nowrap;line-height:1.4;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));
  color:#fff;box-shadow:0 4px 15px rgba(0,212,255,.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-btn);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;pointer-events:none}

.btn-outline{
  background:transparent;color:var(--accent-cyan);
  border:1px solid var(--accent-cyan);
}
.btn-outline:hover{background:rgba(0,212,255,.1);transform:translateY(-2px);box-shadow:0 0 14px rgba(0,212,255,.2)}

.btn-ghost{
  background:var(--bg-glass);color:var(--text-secondary);
  border:1px solid var(--border-card);backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:var(--border-dim);color:var(--text-primary);border-color:var(--border-glow);transform:translateY(-1px)}

.pulse-glow{animation:pulseGlow 2.5s ease-in-out infinite}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 4px 15px rgba(0,212,255,.2)}
  50%{box-shadow:0 4px 32px rgba(0,212,255,.55)}
}

/* ── Glass Card ─────────────────────────────────────────────── */
.glass-card{
  background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid var(--border-card);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);transition:var(--transition);
}
.glass-card:hover{border-color:var(--border-glow);box-shadow:var(--shadow-neon)}

/* Stat card */
.stat-card{padding:1.75rem;text-align:center}
.stat-value{
  font-family:var(--font-display);font-size:2.2rem;font-weight:800;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-teal));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  line-height:1;margin-bottom:.4rem;
}
.stat-label{font-family:var(--font-mono);font-size:.72rem;color:var(--text-muted);letter-spacing:.12em;text-transform:uppercase}

/* ── Forms ──────────────────────────────────────────────────── */
.form-group{margin-bottom:1.25rem}
.form-label{
  display:block;font-size:.8rem;font-weight:600;
  color:var(--text-secondary);letter-spacing:.06em;text-transform:uppercase;margin-bottom:.5rem;
}
.form-input{
  width:100%;padding:.75rem 1rem;
  background:var(--bg-input);border:1px solid var(--border-card);
  border-radius:var(--radius-md);color:var(--text-primary);
  font-size:.9rem;transition:var(--transition);outline:none;
  -webkit-appearance:none;appearance:none;
}
.form-input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(0,212,255,.12);background:var(--bg-card)}
.form-input::placeholder{color:var(--text-muted)}
.form-input:disabled{opacity:.5;cursor:not-allowed}
select.form-input{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%233d6080' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 1rem center;
  padding-right:2.5rem;cursor:pointer;
}

.input-with-icon{position:relative}
.input-with-icon .form-input{padding-left:2.75rem}
.input-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:.875rem;pointer-events:none}

/* ── OTP Inputs ─────────────────────────────────────────────── */
.otp-group{display:flex;justify-content:center;gap:.625rem;margin-bottom:1.5rem}
.otp-input{
  width:52px;height:60px;
  background:var(--bg-input);border:2px solid var(--border-card);
  border-radius:var(--radius-md);color:var(--text-primary);
  font-family:var(--font-mono);font-size:1.5rem;font-weight:700;
  text-align:center;outline:none;transition:var(--transition);
  caret-color:var(--accent-cyan);-moz-appearance:textfield;
}
.otp-input::-webkit-outer-spin-button,.otp-input::-webkit-inner-spin-button{-webkit-appearance:none}
.otp-input:focus{
  border-color:var(--accent-cyan);
  box-shadow:0 0 0 3px rgba(0,212,255,.15),0 0 12px rgba(0,212,255,.2);
  background:var(--bg-card);
}
.otp-input.filled{border-color:rgba(0,212,255,.5);background:rgba(0,212,255,.06);color:var(--accent-cyan)}
.otp-input.verified{
  border-color:var(--accent-teal);background:rgba(0,255,204,.08);color:var(--accent-teal);
  animation:otpVerify .5s ease;
}
@keyframes otpVerify{0%{transform:scale(1)}50%{transform:scale(1.12)}100%{transform:scale(1)}}
@media(max-width:480px){.otp-input{width:38px;height:48px;font-size:1.2rem}.otp-group{gap:.35rem}}

/* ── Progress Bar ───────────────────────────────────────────── */
.progress-bar{height:6px;background:var(--border-dim);border-radius:100px;overflow:hidden}
.progress-fill{
  height:100%;
  background:linear-gradient(90deg,var(--accent-cyan),var(--accent-teal));
  border-radius:100px;transition:width .6s ease;
  box-shadow:0 0 8px rgba(0,212,255,.35);
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge{
  display:inline-flex;align-items:center;gap:.3rem;
  padding:.22rem .65rem;border-radius:100px;
  font-family:var(--font-mono);font-size:.7rem;font-weight:600;
  letter-spacing:.07em;white-space:nowrap;
}
.badge-cyan  {background:rgba(0,212,255,.1); color:var(--accent-cyan);  border:1px solid rgba(0,212,255,.25)}
.badge-teal  {background:rgba(0,255,204,.1); color:var(--accent-teal);  border:1px solid rgba(0,255,204,.25)}
.badge-blue  {background:rgba(0,102,255,.12);color:#6699ff;              border:1px solid rgba(0,102,255,.3)}
.badge-green {background:rgba(0,255,136,.1); color:var(--accent-green); border:1px solid rgba(0,255,136,.25)}
.badge-red   {background:rgba(255,51,102,.1);color:var(--accent-red);   border:1px solid rgba(255,51,102,.25)}
.badge-purple{background:rgba(123,47,255,.1);color:#b07fff;              border:1px solid rgba(123,47,255,.25)}

/* ── Alerts ─────────────────────────────────────────────────── */
.alert{
  display:flex;align-items:flex-start;gap:.75rem;
  padding:.875rem 1.1rem;border-radius:var(--radius-md);
  font-size:.875rem;line-height:1.6;margin-bottom:1rem;
  animation:alertIn .3s ease;
}
@keyframes alertIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.alert a{color:var(--accent-cyan);text-decoration:underline}
.alert-info   {background:rgba(0,212,255,.07);  border:1px solid rgba(0,212,255,.2); color:var(--accent-cyan)}
.alert-success{background:rgba(0,255,136,.07);  border:1px solid rgba(0,255,136,.2); color:var(--accent-green)}
.alert-error  {background:rgba(255,51,102,.08); border:1px solid rgba(255,51,102,.22);color:var(--accent-red)}
.alert-warning{background:rgba(255,221,0,.07);  border:1px solid rgba(255,221,0,.2); color:#ffdd00}

/* ── Divider ─────────────────────────────────────────────────── */
.divider{position:relative;text-align:center;margin:1.5rem 0}
.divider::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border-dim)}
.divider span{
  position:relative;background:var(--bg-card);padding:0 1rem;
  font-size:.78rem;color:var(--text-muted);
  font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;
}

/* ── Auth pages ─────────────────────────────────────────────── */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:6rem 1.5rem 3rem}
.auth-card{
  width:100%;max-width:480px;
  background:var(--bg-glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border:1px solid var(--border-card);border-radius:var(--radius-xl);
  padding:2.5rem;box-shadow:var(--shadow-card);
  animation:authIn .55s ease;
}
@keyframes authIn{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
.auth-logo{text-align:center;margin-bottom:2rem}
.auth-logo .mark{
  width:56px;height:56px;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));
  border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;font-size:1.4rem;color:#fff;
  margin:0 auto .75rem;box-shadow:0 0 24px rgba(0,212,255,.4);
}
.auth-title{font-family:var(--font-display);font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:.4rem}
.auth-sub{font-size:.875rem;color:var(--text-secondary);text-align:center;margin-bottom:2rem;line-height:1.6}

/* Step tabs */
.step-tabs{display:flex;gap:.5rem;margin-bottom:2rem}
.step-tab{flex:1;height:3px;border-radius:2px;background:var(--border-dim);transition:var(--transition)}
.step-tab.active{background:linear-gradient(90deg,var(--accent-cyan),var(--accent-blue));box-shadow:0 0 8px rgba(0,212,255,.4)}
.step-tab.done{background:var(--accent-teal)}

/* Password toggle + strength */
.password-toggle{
  position:absolute;right:1rem;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.9rem;
  padding:.25rem;transition:var(--transition);
}
.password-toggle:hover{color:var(--accent-cyan)}
.strength-bar{height:4px;background:var(--border-dim);border-radius:2px;margin-top:.5rem;overflow:hidden}
.strength-fill{height:100%;border-radius:2px;transition:all .4s ease;width:0}
.otp-info{text-align:center;font-size:.875rem;color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}
.resend-btn{background:none;border:none;color:var(--accent-cyan);font-size:.875rem;cursor:pointer;text-decoration:underline;font-family:var(--font-body)}
.resend-btn:disabled{color:var(--text-muted);cursor:default;text-decoration:none}

/* ── Dashboard ──────────────────────────────────────────────── */
.dash-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.25rem;margin-bottom:2.5rem}

/* ── Loading dots ───────────────────────────────────────────── */
.loading-dots{display:inline-flex;gap:4px;align-items:center}
.loading-dots span{width:5px;height:5px;background:currentColor;border-radius:50%;animation:dotBounce 1.4s infinite both}
.loading-dots span:nth-child(1){animation-delay:-.32s}
.loading-dots span:nth-child(2){animation-delay:-.16s}
@keyframes dotBounce{0%,80%,100%{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}

/* ── Typing dots (chat) ─────────────────────────────────────── */
.typing-dots span{width:7px;height:7px;background:var(--accent-cyan);border-radius:50%;display:inline-block;margin:0 2px;animation:dotBounce 1.4s infinite both}
.typing-dots span:nth-child(1){animation-delay:-.32s}
.typing-dots span:nth-child(2){animation-delay:-.16s}

/* ── Glitch ─────────────────────────────────────────────────── */
.glitch{position:relative}
.glitch::before,.glitch::after{content:attr(data-text);position:absolute;inset:0;font:inherit}
.glitch::before{color:var(--accent-cyan);animation:glitch1 3.5s infinite linear;clip-path:polygon(0 0,100% 0,100% 40%,0 40%)}
.glitch::after{color:var(--accent-red);animation:glitch2 3.5s infinite linear;clip-path:polygon(0 60%,100% 60%,100% 100%,0 100%)}
@keyframes glitch1{0%,90%,100%{transform:translate(0)}92%{transform:translate(-3px,1px)}94%{transform:translate(3px,-1px)}96%{transform:translate(-2px,0)}}
@keyframes glitch2{0%,90%,100%{transform:translate(0)}93%{transform:translate(3px,1px)}95%{transform:translate(-3px,-1px)}97%{transform:translate(2px,0)}}

/* ── Fade-up ─────────────────────────────────────────────────── */
.fade-up{opacity:0;transform:translateY(30px);animation:fadeUp .7s ease forwards}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
.d1{animation-delay:.15s}.d2{animation-delay:.3s}.d3{animation-delay:.45s}.d4{animation-delay:.6s}

/* ── Success Overlay ────────────────────────────────────────── */
.success-overlay{
  position:fixed;inset:0;z-index:9999;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(3,11,20,.92);backdrop-filter:blur(12px);
  opacity:0;pointer-events:none;transition:opacity .4s ease;
}
.success-overlay.show{opacity:1;pointer-events:all}
.success-ring{
  width:100px;height:100px;border-radius:50%;
  border:3px solid var(--border-dim);
  display:flex;align-items:center;justify-content:center;
  position:relative;margin-bottom:1.5rem;
}
.success-ring::before{
  content:'';position:absolute;inset:-3px;border-radius:50%;
  border:3px solid transparent;border-top-color:var(--accent-cyan);
  animation:spinRing 1s linear infinite;
}
@keyframes spinRing{to{transform:rotate(360deg)}}
.success-ring.complete::before{animation:none;border-color:var(--accent-teal)}
.success-check{font-size:2.5rem;color:var(--accent-teal);opacity:0;transform:scale(.3);transition:all .4s cubic-bezier(.34,1.56,.64,1)}
.success-ring.complete .success-check{opacity:1;transform:scale(1)}
.success-title{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}
.success-subtitle{font-size:.875rem;color:var(--text-secondary)}

/* ── Admin Layout ───────────────────────────────────────────── */
.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px);margin-top:64px}
.admin-sidebar{
  background:var(--bg-secondary);border-right:1px solid var(--border-dim);
  padding:1.5rem 0;position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto;
}
.admin-nav-item{
  display:flex;align-items:center;gap:.75rem;padding:.7rem 1.25rem;
  font-size:.85rem;color:var(--text-secondary);text-decoration:none;
  transition:var(--transition);border-left:2px solid transparent;
}
.admin-nav-item:hover{background:var(--border-dim);color:var(--text-primary)}
.admin-nav-item.active{background:rgba(0,212,255,.1);color:var(--accent-cyan);border-left-color:var(--accent-cyan)}
.admin-nav-item i{width:18px;text-align:center;font-size:.85rem;flex-shrink:0}
.admin-section-label{
  font-family:var(--font-mono);font-size:.6rem;color:var(--text-muted);
  letter-spacing:.15em;text-transform:uppercase;padding:.5rem 1.25rem;margin-top:.75rem;
}
.admin-main{padding:2rem 2.5rem;overflow-x:hidden}
@media(max-width:768px){
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{display:none}
  .admin-main{padding:1.5rem}
}

/* ── Data Table ─────────────────────────────────────────────── */
.data-table{width:100%;border-collapse:collapse;font-size:.85rem}
.data-table th{
  padding:.7rem 1rem;text-align:left;
  font-family:var(--font-mono);font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text-muted);border-bottom:1px solid var(--border-dim);white-space:nowrap;
}
.data-table td{padding:.8rem 1rem;border-bottom:1px solid var(--border-dim);vertical-align:middle}
.data-table tr:last-child td{border:none}
.data-table tr:hover td{background:rgba(0,212,255,.025)}

/* ── KPI Cards ──────────────────────────────────────────────── */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-bottom:2rem}
.kpi-card{
  padding:1.5rem;background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-card);border-radius:var(--radius-lg);
  position:relative;overflow:hidden;transition:var(--transition);
}
.kpi-card:hover{border-color:var(--border-glow);box-shadow:var(--shadow-neon)}
.kpi-icon{position:absolute;right:1.25rem;top:1.25rem;font-size:1.75rem;opacity:.18;color:var(--accent-cyan)}
.kpi-label{font-size:.7rem;color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:.4rem;font-family:var(--font-mono)}
.kpi-value{font-family:var(--font-display);font-size:2rem;font-weight:800;line-height:1}
@media(max-width:1100px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.kpi-grid{grid-template-columns:1fr}}

/* ── Status badges ──────────────────────────────────────────── */
.status-badge{display:inline-flex;align-items:center;gap:.3rem;padding:.22rem .62rem;border-radius:100px;font-size:.7rem;font-weight:600;font-family:var(--font-mono)}
.s-active,.s-success{background:rgba(0,255,136,.1);color:var(--accent-green);border:1px solid rgba(0,255,136,.25)}
.s-pending{background:rgba(255,221,0,.1);color:#ffdd00;border:1px solid rgba(255,221,0,.25)}
.s-expired,.s-cancelled,.s-failed,.s-suspended{background:rgba(255,51,102,.1);color:var(--accent-red);border:1px solid rgba(255,51,102,.25)}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--border-card);border-radius:100px}
::-webkit-scrollbar-thumb:hover{background:var(--accent-cyan)}

/* ── Selection ──────────────────────────────────────────────── */
::selection{background:rgba(0,212,255,.25);color:var(--text-primary)}

/* ── Utility ─────────────────────────────────────────────────── */
.truncate{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.text-cyan{color:var(--accent-cyan)}.text-teal{color:var(--accent-teal)}.text-muted{color:var(--text-muted)}
.font-display{font-family:var(--font-display)}.font-mono{font-family:var(--font-mono)}
.mt-auto{margin-top:auto}.mx-auto{margin:0 auto}

/* ── Print ──────────────────────────────────────────────────── */

/* ============================================================
   MEDIK — Mobile Nav, Drawer & Full Responsive System
   ============================================================ */

/* ── Global resets for overflow ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body { overflow-x: hidden; max-width: 100vw; }

/* ── Mobile bottom nav ──────────────────────────────────────── */
.mob-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1001;
  height: 60px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-dim);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.mob-nav-inner {
  display: flex;
  align-items: stretch;
  height: 60px;
}
.mob-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: .58rem;
  font-family: var(--font-mono);
  letter-spacing: .03em;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  padding: 4px 2px;
  position: relative;
}
.mob-nav-item i { font-size: 1.1rem; transition: var(--transition); }
.mob-nav-item.active { color: var(--accent-cyan); }
.mob-nav-item.active i { transform: translateY(-2px); }
.mob-nav-item.active::after {
  content: '';
  position: absolute;
  top: 0; left: 15%; right: 15%;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 0 0 3px 3px;
}
.mob-nav-fab {
  flex: 0 0 52px;
  align-self: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(0,212,255,.4);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
  margin: 0 6px;
}
.mob-nav-fab:hover { transform: scale(1.08); }

/* ── Drawer overlay ─────────────────────────────────────────── */
.mob-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1002;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(3px);
}
.mob-drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1003;
  width: min(290px, 85vw);
  background: var(--bg-card);
  border-right: 1px solid var(--border-dim);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}
.mob-drawer.open { transform: translateX(0); }
.mob-drawer-head {
  padding: 1.1rem 1.1rem .875rem;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.mob-drawer-close {
  width: 34px; height: 34px;
  background: var(--border-dim); border: none; border-radius: 50%;
  color: var(--text-secondary); font-size: .95rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.mob-drawer-link {
  display: flex; align-items: center; gap: .75rem;
  padding: .8rem 1.1rem;
  font-size: .875rem; color: var(--text-secondary);
  text-decoration: none; transition: var(--transition);
  border-left: 3px solid transparent;
}
.mob-drawer-link i { width: 18px; text-align: center; font-size: .875rem; color: var(--text-muted); }
.mob-drawer-link:hover { background: var(--border-dim); color: var(--text-primary); }
.mob-drawer-link.active { background: rgba(0,212,255,.08); color: var(--accent-cyan); border-left-color: var(--accent-cyan); }
.mob-drawer-link.active i { color: var(--accent-cyan); }
.mob-drawer-section {
  font-family: var(--font-mono); font-size: .6rem; color: var(--text-muted);
  letter-spacing: .15em; text-transform: uppercase;
  padding: .875rem 1.1rem .3rem;
}
.mob-drawer-user {
  padding: .875rem 1.1rem;
  border-bottom: 1px solid var(--border-dim);
  display: flex; align-items: center; gap: .75rem;
}
.mob-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: .95rem; flex-shrink: 0;
}

/* ── Credits chip ───────────────────────────────────────────── */
.credits-chip {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .25rem .65rem;
  background: rgba(255,221,0,.1); border: 1px solid rgba(255,221,0,.25);
  border-radius: 100px; font-size: .72rem; font-family: var(--font-mono);
  color: #ffdd00; font-weight: 600; white-space: nowrap;
}

/* ── Level buttons (chat) ──────────────────────────────────── */
.level-btn {
  padding: .4rem .875rem; border-radius: 100px; font-size: .78rem;
  font-weight: 600; font-family: var(--font-mono); cursor: pointer;
  border: 1px solid var(--border-card); background: var(--bg-glass);
  color: var(--text-secondary); transition: var(--transition); white-space: nowrap;
}
.level-btn:hover { border-color: var(--border-glow); color: var(--text-primary); }
.level-btn.active-level-beginner     { background: rgba(0,255,136,.1);  color: var(--accent-green);  border-color: rgba(0,255,136,.3); }
.level-btn.active-level-intermediate { background: rgba(0,212,255,.1);  color: var(--accent-cyan);   border-color: rgba(0,212,255,.3); }
.level-btn.active-level-expert       { background: rgba(123,47,255,.1); color: #b07fff;               border-color: rgba(123,47,255,.3); }

/* ── Data table scroll ──────────────────────────────────────── */
.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; min-width: 500px; border-collapse: collapse; font-size: .85rem; }
.data-table th {
  padding: .7rem 1rem; text-align: left;
  font-family: var(--font-mono); font-size: .65rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-muted); border-bottom: 1px solid var(--border-dim);
  white-space: nowrap;
}
.data-table td { padding: .8rem 1rem; border-bottom: 1px solid var(--border-dim); vertical-align: middle; }
.data-table tr:last-child td { border: none; }
.data-table tr:hover td { background: rgba(0,212,255,.025); }

/* ── Admin layout ───────────────────────────────────────────── */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 64px); margin-top: 64px; }
.admin-sidebar {
  background: var(--bg-secondary); border-right: 1px solid var(--border-dim);
  padding: 1.5rem 0; position: sticky; top: 64px;
  height: calc(100vh - 64px); overflow-y: auto;
}
.admin-nav-item {
  display: flex; align-items: center; gap: .75rem; padding: .7rem 1.25rem;
  font-size: .85rem; color: var(--text-secondary); text-decoration: none;
  transition: var(--transition); border-left: 2px solid transparent;
}
.admin-nav-item:hover { background: var(--border-dim); color: var(--text-primary); }
.admin-nav-item.active { background: rgba(0,212,255,.1); color: var(--accent-cyan); border-left-color: var(--accent-cyan); }
.admin-nav-item i { width: 18px; text-align: center; font-size: .85rem; flex-shrink: 0; }
.admin-section-label {
  font-family: var(--font-mono); font-size: .6rem; color: var(--text-muted);
  letter-spacing: .15em; text-transform: uppercase; padding: .5rem 1.25rem; margin-top: .75rem;
}
.admin-main { padding: 2rem 2.5rem; overflow-x: hidden; }

/* KPI cards */
.kpi-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.25rem; margin-bottom: 2rem; }
.kpi-card {
  padding: 1.5rem; background: var(--bg-glass); backdrop-filter: blur(20px);
  border: 1px solid var(--border-card); border-radius: var(--radius-lg);
  position: relative; overflow: hidden; transition: var(--transition);
}
.kpi-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-neon); }
.kpi-icon { position: absolute; right: 1.25rem; top: 1.25rem; font-size: 1.75rem; opacity: .18; color: var(--accent-cyan); }
.kpi-label { font-size: .7rem; color: var(--text-muted); letter-spacing: .1em; text-transform: uppercase; margin-bottom: .4rem; font-family: var(--font-mono); }
.kpi-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; line-height: 1; }

/* Status badges */
.status-badge { display: inline-flex; align-items: center; gap: .3rem; padding: .22rem .62rem; border-radius: 100px; font-size: .7rem; font-weight: 600; font-family: var(--font-mono); }
.s-active,.s-success { background: rgba(0,255,136,.1); color: var(--accent-green); border: 1px solid rgba(0,255,136,.25); }
.s-pending { background: rgba(255,221,0,.1); color: #ffdd00; border: 1px solid rgba(255,221,0,.25); }
.s-expired,.s-cancelled,.s-failed,.s-suspended { background: rgba(255,51,102,.1); color: var(--accent-red); border: 1px solid rgba(255,51,102,.25); }

/* ── RESPONSIVE BREAKPOINTS ─────────────────────────────────── */

/* Large screens */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet */
@media (max-width: 1024px) {
  .admin-main { padding: 1.5rem; }
}

/* Mobile — hide desktop nav elements, show mobile ones */
@media (max-width: 768px) {
  /* Show mobile nav */
  .mob-nav { display: flex; flex-direction: column; }

  /* Hide desktop nav links and buttons */
  .med-nav .med-nav-links { display: none !important; }
  .med-nav .btn-ghost:not(.always-show) { display: none !important; }
  .med-nav .btn-primary:not(.always-show) { display: none !important; }
  .med-nav #drawerToggle { display: block !important; }

  /* Nav height */
  .med-nav { height: 56px; padding: 0 1rem; }

  /* Body bottom padding for nav */
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); }

  /* Collapse admin layout */
  .admin-layout { grid-template-columns: 1fr !important; margin-top: 56px; }
  .admin-sidebar { display: none !important; }
  .admin-main { padding: 1rem !important; }

  /* KPI grid 2-col on mobile */
  .kpi-grid { grid-template-columns: 1fr 1fr !important; gap: .75rem; }

  /* Pricing */
  .plans-grid { grid-template-columns: 1fr !important; }
  .credits-grid { grid-template-columns: 1fr 1fr !important; }

  /* Auth */
  .auth-wrap { padding: 4rem 1rem 5rem !important; }
  .auth-card { padding: 1.5rem !important; }

  /* OTP */
  .otp-input { width: 40px !important; height: 50px !important; font-size: 1.2rem !important; }
  .otp-group { gap: .3rem !important; }

  /* Chat */
  .chat-root { height: calc(100dvh - 56px - 60px); margin-top: 56px; }
  .chat-messages { padding: .875rem; }
  .chat-input-area { padding: .75rem .875rem; }
  .chat-level-bar { padding: .625rem .875rem; }
  .chat-topbar { padding: .625rem .875rem; flex-wrap: wrap; }
  .chat-bubble { max-width: 90% !important; font-size: .85rem !important; }

  /* Anatomy */
  .anat-layout { grid-template-columns: 1fr !important; }
  .model-sidebar { position: static !important; max-height: 240px; }

  /* Homepage */
  .hero-inner { grid-template-columns: 1fr !important; padding: 6rem 1.25rem 3rem !important; gap: 2rem !important; }
  .hero-visual { display: none !important; }
  .stats-inner { grid-template-columns: 1fr 1fr !important; padding: 0 1.25rem; }
  .chatdemo-inner { grid-template-columns: 1fr !important; gap: 2rem !important; }
  .feature-split { grid-template-columns: 1fr !important; gap: 1.5rem !important; }
  .feature-split.reverse { direction: ltr !important; }
  .testimonials-grid { grid-template-columns: 1fr !important; }
  .steps-grid { grid-template-columns: 1fr !important; }
  .steps-grid::before { display: none; }
  .section { padding: 3.5rem 1.25rem !important; }
  .cta-section { padding: 4rem 1.25rem !important; }

  /* Buttons min-height touch targets */
  .btn-primary, .btn-outline, .btn-ghost { min-height: 44px; }
  .send-btn { width: 44px !important; height: 44px !important; }

  /* Drawer toggle show */
  #drawerToggle { display: block !important; }

  /* Payment modal bottom sheet on mobile */
  #payModal { align-items: flex-end !important; padding: 0 !important; }
  #payModal > div { border-radius: var(--radius-xl) var(--radius-xl) 0 0 !important; width: 100% !important; max-width: 100% !important; max-height: 90vh; overflow-y: auto; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr !important; }
  .credits-grid { grid-template-columns: 1fr !important; }
  .otp-input { width: 36px !important; height: 44px !important; font-size: 1rem !important; }
  .auth-title { font-size: 1.25rem !important; }
}

/* Tablet landscape */
@media (min-width: 769px) and (max-width: 1024px) {
  .admin-layout { grid-template-columns: 200px 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .plans-grid { grid-template-columns: 1fr 1fr !important; }
}

/* Safe area */
@supports (padding: max(0px)) {
  .mob-nav { padding-bottom: max(env(safe-area-inset-bottom), 0px); }
  body { padding-bottom: max(60px, calc(60px + env(safe-area-inset-bottom))); }
}

/* Chat bubble text */
.chat-bubble pre { white-space: pre-wrap; word-break: break-word; overflow-x: auto; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-card); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-cyan); }
::selection { background: rgba(0,212,255,.25); color: var(--text-primary); }

/* Print */
@media print {
  .med-nav, .mob-nav, .med-bg, .scan-line, .particles, .grid-lines { display: none !important; }
  body { background: #fff; color: #000; padding: 0; }
}