/* Shared "dim forest" design system */
:root {
  --forest-deep: #0a1410;
  --forest-mid: #14241c;
  --mist: #e8efe9;
  --mist-dim: #b8c5bb;
  --accent: #7fb88f;
  --accent-strong: #5a9a6e;
  --danger: #c45a5a;
  --glass-bg: rgba(20, 36, 28, 0.55);
  --glass-border: rgba(232, 239, 233, 0.15);
}

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

/* Always reserve scrollbar space so backgrounds don't shift between pages */
html { overflow-y: scroll; }

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--mist);
  background-color: var(--forest-deep);
  background-image:
    linear-gradient(180deg, rgba(10,20,16,0.55) 0%, rgba(10,20,16,0.78) 100%),
    url("forest-bg.jpg");
  background-attachment: fixed;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  min-height: 100vh;
  line-height: 1.6;
}

h1, h2, h3 { font-weight: 300; letter-spacing: 0.02em; margin-bottom: 1rem; }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.6rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--mist); }

/* Glass card */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 14px;
  padding: 2.5rem;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 18px 50px rgba(0,0,0,0.45);
}

/* Layout */
.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

/* Forms */
label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 0.4rem;
}

input, select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: rgba(10,20,16,0.5);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--mist);
  font-size: 1rem;
  margin-bottom: 1rem;
  transition: border-color 0.15s;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
input.error { border-color: var(--danger); }

.error-msg {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: -0.7rem;
  margin-bottom: 0.8rem;
  display: block;
}

.helper { color: var(--mist-dim); font-size: 0.85rem; margin-top: 0.3rem; }

/* Buttons */
button, .btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent-strong);
  color: var(--forest-deep);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent); }
.btn-secondary {
  background: transparent;
  color: var(--mist);
  border: 1px solid var(--glass-border);
}
.btn-secondary:hover { background: rgba(232,239,233,0.08); }
.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger:hover { background: var(--danger); color: var(--forest-deep); }
button:active, .btn:active { transform: translateY(1px); }

.btn-row {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.5rem;
}
.btn-row button { flex: 1; }

/* Header / footer */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--glass-border);
}

.site-footer {
  padding: 1.5rem;
  text-align: center;
  color: rgba(143, 176, 154, 0.6);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.forgot-row {
  display: flex;
  justify-content: flex-end;
  margin-top: -0.5rem;
  margin-bottom: 1rem;
}
.forgot-row a { font-size: 0.85rem; }

.success-msg {
  background: rgba(127,184,143,0.15);
  border: 1px solid var(--accent);
  color: var(--mist);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 900px) {
  .card { padding: 2rem; }
  h1 { font-size: 2rem; }
}
@media (max-width: 480px) {
  .card { padding: 1.5rem; }
  .app-header { padding: 1rem; }
  .btn-row { flex-direction: column; }
}

/* Upload page */
.upload-card { max-width: 720px; margin: 0 auto; }
.dropzone {
  border: 2px dashed var(--glass-border);
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--mist-dim);
  background: rgba(10, 20, 16, 0.3);
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s, color 0.18s, box-shadow 0.18s;
}
.dropzone:hover, .dropzone:focus { outline: none; color: var(--mist); border-color: var(--accent); }
.dropzone svg { width: 38px; height: 38px; margin-bottom: 0.6rem; }
.dropzone .dz-title { font-size: 1.05rem; letter-spacing: 0.04em; }
.dropzone .dz-sub { font-size: 0.85rem; margin-top: 0.3rem; opacity: 0.75; }
.dropzone--hover {
  border-color: var(--accent);
  color: var(--mist);
  background: rgba(127, 184, 143, 0.08);
  box-shadow: 0 0 0 4px rgba(127, 184, 143, 0.12), 0 0 24px rgba(127, 184, 143, 0.18) inset;
}

.upload-summary {
  margin-top: 1.25rem;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  border: 1px solid;
}
.upload-summary.ok   { background: rgba(127,184,143,0.12); border-color: var(--accent); color: var(--mist); }
.upload-summary.warn { background: rgba(196,160,90,0.12);  border-color: #c4a05a;       color: var(--mist); }
.upload-summary.bad  { background: rgba(196,90,90,0.12);   border-color: var(--danger);  color: var(--mist); }

.file-list { margin-top: 1rem; }
.file-list-header {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--mist-dim); margin-bottom: 0.5rem;
}
.file-list ul { list-style: none; padding: 0; margin: 0; max-height: 320px; overflow-y: auto; }
.file-row {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  margin-bottom: 0.4rem;
  background: rgba(10,20,16,0.35);
  font-size: 0.88rem;
}
.file-row .file-icon { font-weight: 700; text-align: center; }
.file-row .file-name { color: var(--mist); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .file-meta { color: var(--mist-dim); font-size: 0.78rem; }
.file-row--ok  .file-icon { color: var(--accent); }
.file-row--bad .file-icon { color: var(--danger); }
.file-row--bad .file-meta { color: var(--danger); }