/* ===========================
   MonObjectif – Light Theme
   =========================== */

/* Theme */
:root{
  --primary: #3b82f6;
  --primary-600:#2563eb;
  --primary-50:#eff6ff;
  --accent:#22c55e;
  --ink-900:#0b1220;
  --ink-800:#1f2937;
  --ink-600:#4b5563;
  --ink-400:#9ca3af;
  --line:#e5e7eb;
  --surface:#ffffff;
  --bg:#f5f7fb;

  --radius:12px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(2, 6, 23, .06);
  --shadow-md:0 10px 30px rgba(2, 6, 23, .10);
  --transition:all .2s ease;
}

/* Base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family: 'Roboto','Open Sans','Lato',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:
    radial-gradient(1200px 600px at 85% -100px, rgba(59,130,246,.08), transparent 60%),
    radial-gradient(900px 500px at -10% -150px, rgba(34,197,94,.06), transparent 60%),
    var(--bg);
  color:var(--ink-800);
  margin:0;
}

/* ===========================
   Navbar (fixed, minimal)
   =========================== */
.navbar{
  position:fixed; inset:0 0 auto 0; height:64px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.7);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(229,231,235,.6);
  z-index:10;
}
.nav-inner{width:min(1100px, 92%); display:flex; align-items:center; justify-content:space-between;}

/* Brand wordmark */
.brand{
  display:flex; align-items:center; gap:.6rem; user-select:none;
  text-decoration:none;
}
.brand-badge{
  width:34px; height:34px; border-radius:10px;
  background: conic-gradient(from 120deg, var(--primary), #60a5fa 35%, #93c5fd 65%, #e0f2fe 90%);
  box-shadow: 0 6px 16px rgba(59,130,246,.25) inset, 0 6px 16px rgba(59,130,246,.18);
}
.brand-text{
  font-weight:800; letter-spacing:.3px; line-height:1;
  font-size:1.15rem;
  background: linear-gradient(92deg, var(--primary) 0%, #60a5fa 35%, #1e40af 95%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.brand-sub{
  display:block; font-size:.72rem; font-weight:600; color:var(--ink-400); margin-top:2px;
}

/* ===========================
   Layout - Centered form with better positioning
   =========================== */
.page{
  min-height:100%;
  display:grid;
  grid-template-rows:64px 1fr;
}

.main{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:40px 24px;
  min-height:calc(100vh - 64px);
}

.card{
  width:min(440px, 92%);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:32px;
  transition:var(--transition);
  animation: slideUp 0.5s ease-out;
}

.card:hover{ 
  box-shadow:var(--shadow-md);
  transform: translateY(-2px);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Headings */
.card h2{
  margin:0 0 6px; font-size:1.45rem; color:var(--ink-900);
}
.card p.lead{
  margin:0 0 20px; color:var(--ink-600); font-size:.95rem;
}

/* Form */
.form{
  display:grid; gap:14px;
}
.form > div { display:flex; flex-direction:column; }
.input-row{display:flex; gap:12px;}
.input-wrapper{flex:1; display:flex; flex-direction:column;}
.label{
  font-size:.9rem; color:var(--ink-600); margin-bottom:6px; font-weight:500;
}
.input{
  width:100%; padding:12px 14px;
  border:1px solid var(--line);
  border-radius:10px;
  font-size:.98rem; background:#fff;
  transition:var(--transition);
}
.input::placeholder{ color:#9aa3ae }
.input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(59,130,246,.12);
}

/* Button */
.btn{
  width:100%; padding:12px 14px; margin-top:8px;
  border:none; border-radius:10px; cursor:pointer;
  background: linear-gradient(92deg, var(--primary) 0%, var(--primary-600) 100%);
  color:#fff; font-weight:600; font-size:.98rem;
  box-shadow:0 8px 20px rgba(37,99,235,.25);
  transition:transform .06s ease, box-shadow .2s ease, filter .2s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover{ 
  filter:saturate(1.05); 
  box-shadow:0 10px 28px rgba(37,99,235,.32);
  transform: translateY(-2px);
}
.btn:active{ transform:translateY(1px) }
.btn:disabled{ opacity:.6; cursor:not-allowed; box-shadow:none; transform: none; }

/* Helper / message */
.message{
  margin-top:12px; font-size:.93rem;
  padding: 12px;
  border-radius: 10px;
  font-weight: 500;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(-10px);
  min-height: 1.2em;
}

.message.show {
  opacity: 1;
  transform: translateY(0);
}

.message.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.message.error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.message.info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Small helpers under form */
.meta{
  display:flex; justify-content:space-between; align-items:center;
  margin-top:10px; font-size:.88rem; color:var(--ink-600);
}
.link{
  color:var(--primary-600); text-decoration:none; font-weight:600;
}
.link:hover{ text-decoration:underline }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

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

/* Responsive */
@media (max-width:480px){
  .brand-text{ font-size:1.05rem }
  .card{ padding:24px }
  .main{ padding:24px 16px }
}
.input-row + .input-row{ margin-top:12px; }
#resetFields{ margin-top:4px; }