/* ================================
   RecycloAI — Glassy Forest Theme
   ================================ */

/* Design tokens */
:root{
  /* Background */
  --bg: #061a14;          /* deep evergreen */
  --bg-2: #0b261d;        /* forest shadow */
  --bg-3: #0d2f24;        /* canopy tint */

  /* Glass surfaces */
  --surface: rgba(9,24,19,.55);
  --surface-strong: rgba(9,24,19,.75);
  --border: rgba(255,255,255,.12);

  /* Text */
  --text: #e6f5ee;
  --muted: #a8c7b9;

  /* Accents (eco glow) */
  --accent: #34d399;      /* emerald */
  --accent-2: #10b981;    /* teal-emerald */
  --ink-on-accent: #052019;

  /* States */
  --danger: #ef4444;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
}

/* Base & layout */
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--text);
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
  background:
    radial-gradient(60% 100% at 10% 10%, rgba(52,211,153,.18) 0%, transparent 45%),
    radial-gradient(60% 120% at 90% 20%, rgba(16,185,129,.14) 0%, transparent 48%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 60%, var(--bg-3) 100%);
}

/* Subtle vignette & grain */
body::before{
  content:""; position:fixed; inset:0; pointer-events:none;
  background:
    radial-gradient(120% 140% at 50% -10%, rgba(255,255,255,.08) 0%, transparent 60%),
    radial-gradient(100% 120% at 50% 110%, rgba(0,0,0,.35) 0%, transparent 65%);
  mix-blend-mode: soft-light;
}
body::after{
  content:""; position:fixed; inset:0; pointer-events:none; opacity:.35;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.015) 0 2px, transparent 2px 4px);
}

/* Animated background leaves (parallax-safe) */
.bg-animation{position:absolute;width:100%;height:100%;pointer-events:none}
.leaf{
  position:absolute; border-radius:50% 0;
  background: linear-gradient(135deg, rgba(52,211,153,.16), rgba(16,185,129,.06));
  box-shadow: 0 8px 22px rgba(16,185,129,.12);
  --tx:0px; --ty:0px;
  animation: float 6s ease-in-out infinite;
}
.leaf:nth-child(1){width:64px;height:64px;top:12%;left:10%}
.leaf:nth-child(2){width:44px;height:44px;top:68%;right:18%;animation-delay:1.3s}
.leaf:nth-child(3){width:86px;height:86px;bottom:18%;left:16%;animation-delay:2.3s}

@keyframes float{
  0%,100%{ transform: translate(var(--tx), var(--ty)) rotate(0) }
  50%    { transform: translate(var(--tx), calc(var(--ty) - 18px)) rotate(10deg) }
}

/* Auth card (frosted glass) */
.login-container{
  width:100%; max-width:460px; padding:44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  position:relative; z-index:1;
  animation: slideUp .7s ease-out;
  color: var(--text);
}
@supports (backdrop-filter: blur(8px)){
  .login-container{ backdrop-filter: blur(18px) saturate(115%); }
}
@keyframes slideUp{ from{opacity:0; transform:translateY(36px)} to{opacity:1; transform:translateY(0)} }

/* Branding (wordmark) */
.logo-container{ text-align:center; margin-bottom:28px }
.logo-container .brand{ margin-bottom:10px; }

/* Wordmark styles (match new theme accents) */
.brand{
  display:inline-flex; align-items:center; gap:.55rem; line-height:1;
  font-weight:900; letter-spacing:.2px;
  font-size: clamp(1.35rem, 1rem + 2vw, 2.2rem);
}
.brand-prim{
  position:relative; display:inline-block;
  background:
    radial-gradient(120% 180% at 10% 0%, rgba(255,255,255,.18) 0%, transparent 55%),
    linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
  text-shadow:
    0 0 .5px rgba(255,255,255,.35),
    0 10px 24px rgba(16,185,129,.18),
    0 4px 14px rgba(52,211,153,.18);
  background-size:200% 100%, 200% 100%;
  animation: brandShine 6s linear infinite;
}
@keyframes brandShine{
  0%{background-position:0% 0%, 0% 0%}
  100%{background-position:200% 0%, 200% 0%}
}
.brand-ai{
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:800; font-size:.72em; text-transform:uppercase; letter-spacing:.8px;
  padding:.28em .6em .3em; border-radius:999px;
  color:var(--ink-on-accent); border:1px solid var(--border);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 26px rgba(16,185,129,.25), 0 2px 0 rgba(255,255,255,.1) inset;
  position:relative; overflow:hidden;
}
.brand-ai::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(to right, transparent, rgba(255,255,255,.22), transparent);
  transform: translateX(-120%) skewX(-18deg);
  animation: pillSweep 2.6s ease-in-out infinite .2s;
}
@keyframes pillSweep{
  50%{transform: translateX(10%) skewX(-18deg)}
  100%{transform: translateX(120%) skewX(-18deg)}
}
.brand-leaf{
  width:1.15em;height:1.15em;
  filter: drop-shadow(0 6px 14px rgba(16,185,129,.25)) drop-shadow(0 6px 14px rgba(52,211,153,.2));
  transform: translateY(1px);
}
.brand:hover .brand-leaf{ transform: translateY(-1px) rotate(-2deg); transition: transform .18s ease; }

/* Tagline */
.app-tagline{ color: var(--muted); font-size:14px }

/* Form */
.login-form{ margin-top:26px }
.form-group{ margin-bottom:20px; position:relative }
.form-label{ display:block; margin-bottom:8px; color: var(--muted); font-weight:600; font-size:13.5px }

.form-input{
  width:100%; padding:16px 16px 16px 18px;
  background: rgba(255,255,255,.045);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 16px; outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, transform .12s ease, background .2s ease;
}
.form-input::placeholder{ color: rgba(230,245,238,.6) }
.form-input:focus{
  border-color: rgba(52,211,153,.65);
  box-shadow: 0 0 0 4px rgba(16,185,129,.18);
  transform: translateY(-1px);
  background: rgba(255,255,255,.06);
}

/* Options & links */
.form-options{ display:flex; justify-content:space-between; align-items:center; margin:18px 0 22px; font-size:14px }
.remember-me{ display:flex; align-items:center; color: var(--muted) }
.remember-me input{ margin-right:8px; accent-color: var(--accent-2) }
.forgot-password{ color: var(--accent); text-decoration:none; font-weight:600 }
.forgot-password:hover{ color: var(--accent-2) }

/* Primary button */
.login-btn{
  width:100%; padding:15px 16px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color:#03241b; border:none; border-radius:14px;
  font-size:16px; font-weight:800; cursor:pointer;
  box-shadow: 0 14px 28px rgba(16,185,129,.25), 0 2px 0 rgba(0,0,0,.25) inset;
  transition: transform .12s ease, filter .2s ease, box-shadow .2s ease;
}
.login-btn:hover{ transform: translateY(-1px); filter: brightness(1.05) }
.login-btn:active{ transform: translateY(0) }
.login-btn[disabled]{ opacity:.7; cursor:not-allowed }

/* Sign up row */
.signup-link{
  text-align:center; margin-top:28px; padding-top:20px;
  border-top:1px solid var(--border); color: var(--muted);
}
.signup-link a{ color: var(--accent); font-weight:700; text-decoration:none }
.signup-link a:hover{ color: var(--accent-2) }

/* Modals (glass) */
.modal{
  position:fixed; inset:0; display:flex; align-items:center; justify-content:center; padding:24px;
  background: rgba(0,0,0,.45); z-index:50;
}
.modal[hidden]{ display:none }
.dialog{
  width:100%; max-width:460px; padding:26px 22px;
  background: var(--surface-strong);
  border:1px solid var(--border); border-radius:20px; box-shadow: var(--shadow);
  color: var(--text); position:relative;
}
@supports (backdrop-filter: blur(8px)){
  .dialog{ backdrop-filter: blur(12px) saturate(120%); }
}
.dialog h2{ font-size:22px; margin-bottom:8px }
.dialog p.muted{ color: var(--muted); margin-bottom:16px }
.dialog .stack>*+*{ margin-top:16px }
.dialog .row{ display:flex; gap:12px }
.close-btn{
  position:absolute; top:10px; right:10px;
  border:none; background:transparent; font-size:22px; line-height:1; cursor:pointer; color:#b7d2c6
}

/* Toast */
.toast{
  position:fixed; left:50%; bottom:24px; transform:translateX(-50%);
  background: var(--accent-2); color: var(--ink-on-accent);
  padding:12px 16px; border-radius:10px; box-shadow:0 10px 24px rgba(0,0,0,.25);
  font-weight:800; z-index:60; opacity:0; pointer-events:none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(-4px) }
.toast.error{ background: var(--danger); color: #fff }

/* Responsive */
@media (max-width:480px){
  .login-container{ padding:34px 22px; margin:16px; border-radius:18px }
  .brand{ font-size: clamp(1.25rem, 1rem + 2vw, 1.85rem) }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important }
  .brand:hover .brand-leaf{ transform:none !important }
}