/* static/css/login.css */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-700:    #0050a0;
  --blue-500:    #2272c3;
  --blue-100:    #dceaf8;
  --blue-50:     #f0f5fb;
  --green-500:   #78b43c;
  --green-400:   #8fcc4a;
  --neutral-900: #0f1e2e;
  --neutral-700: #2d4560;
  --neutral-500: #5a7a99;
  --neutral-300: #a0b8cc;
  --neutral-200: #d0dce8;
  --neutral-100: #e8f0f8;
  --neutral-50:  #f5f8fc;
  --white:       #ffffff;
  --danger:      #d63c2f;
  --danger-bg:   #fef2f1;
}

html, body {
  height: 100%;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--neutral-900);
  -webkit-font-smoothing: antialiased;
}

/* ── Full-page background ── */
.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  background: #060f1a;
  overflow: hidden;
}

/* Animated background gradient — slow, subtle, deep */
.page::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(
    from 0deg at 40% 60%,
    #0a1628 0deg,
    #0d2040 60deg,
    #071830 120deg,
    #0a1628 180deg,
    #0c1f3d 240deg,
    #060f1a 300deg,
    #0a1628 360deg
  );
  animation: bg-rotate 20s linear infinite;
  z-index: 0;
}

/* Soft glow behind card */
.page::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,80,160,0.18) 0%, transparent 65%);
  border-radius: 50%;
  z-index: 0;
  animation: glow-pulse 6s ease-in-out infinite alternate;
}

@keyframes bg-rotate {
  to { transform: rotate(360deg); }
}

@keyframes glow-pulse {
  from { opacity: 0.6; transform: scale(0.95); }
  to   { opacity: 1;   transform: scale(1.05); }
}

/* ── Card ── */
.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: var(--white);
  border-radius: 16px;
  padding: 48px 44px 40px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 24px 64px rgba(0,0,0,0.5),
    0 8px 24px rgba(0,0,0,0.3);
  animation: card-in 0.6s cubic-bezier(0.22,1,0.36,1) both;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}

/* Green top bar */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 44px; right: 44px;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-700), var(--green-500));
  border-radius: 0 0 3px 3px;
}

/* ── Logo ── */
.card-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 36px;
  animation: fadeUp 0.5s cubic-bezier(0.22,1,0.36,1) 0.1s both;
}

.card-logo img {
  height: 56px;
  width: auto;
}

/* ── Header ── */
.card-header {
  margin-bottom: 32px;
  animation: fadeUp 0.5s cubic-bezier(0.22,1,0.36,1) 0.15s both;
}

.card-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--neutral-900);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.card-subtitle {
  font-size: 14px;
  color: var(--neutral-500);
  font-weight: 400;
  line-height: 1.5;
}

/* ── Fields ── */
.field {
  margin-bottom: 18px;
  animation: fadeUp 0.5s cubic-bezier(0.22,1,0.36,1) both;
}
.field:nth-of-type(1) { animation-delay: 0.2s; }
.field:nth-of-type(2) { animation-delay: 0.25s; }

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: 7px;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  background: var(--neutral-50);
  border: 1.5px solid var(--neutral-200);
  border-radius: 10px;
  padding: 11px 14px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  color: var(--neutral-900);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

input[type="text"] {
  width: 100%;
  background: var(--neutral-50);
  border: 1.5px solid var(--neutral-200);
  border-radius: 10px;
  padding: 11px 14px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  color: var(--neutral-900);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

input[type="text"]:focus {
  border-color: var(--blue-500);
  background: var(--white);
  box-shadow: 0 0 0 3px var(--blue-100);
}

input[type="email"]:focus,
input[type="password"]:focus {
  border-color: var(--blue-500);
  background: var(--white);
  box-shadow: 0 0 0 3px var(--blue-100);
}

input::placeholder { color: var(--neutral-300); }

.pw-wrap { position: relative; }

.pw-toggle {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--neutral-300);
  padding: 3px;
  display: flex;
  align-items: center;
  border-radius: 5px;
  transition: color 0.15s;
}
.pw-toggle:hover { color: var(--blue-700); }

/* ── Error ── */
.error-msg {
  display: none;
  background: var(--danger-bg);
  border: 1.5px solid rgba(214,60,47,0.18);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--danger);
  margin-bottom: 18px;
  align-items: center;
  gap: 9px;
}
.error-msg.visible { display: flex; }

/* ── Submit ── */
.btn-submit {
  width: 100%;
  background: var(--blue-700);
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: 13px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  margin-top: 6px;
  animation: fadeUp 0.5s cubic-bezier(0.22,1,0.36,1) 0.3s both;
}

.btn-submit:hover {
  background: var(--blue-500);
  box-shadow: 0 6px 20px rgba(0,80,160,0.3);
  transform: translateY(-1px);
}
.btn-submit:active  { transform: translateY(0); box-shadow: none; }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-submit .spinner {
  display: none;
  width: 17px; height: 17px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin: 0 auto;
}
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .spinner  { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ── */
.card-footer {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  animation: fadeUp 0.5s cubic-bezier(0.22,1,0.36,1) 0.35s both;
}

.card-footer a {
  font-size: 13px;
  color: var(--neutral-500);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}
.card-footer a:hover { color: var(--blue-700); }

/* ── Bottom tagline ── */
.page-tagline {
  position: absolute;
  bottom: 28px;
  left: 0; right: 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.2);
  font-weight: 500;
  letter-spacing: 0.06em;
  z-index: 1;
  animation: fadeUp 0.5s cubic-bezier(0.22,1,0.36,1) 0.5s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Mobile ── */
@media (max-width: 500px) {
  .card { padding: 40px 28px 32px; border-radius: 12px; }
  .card::before { left: 28px; right: 28px; }
  .page-tagline { display: none; }
}