/* Brand tokens */
:root {
  --selva-bg: #151516;
  --selva-surface: #1e1e20;
  --selva-border: rgba(255, 255, 255, 0.12);
  --selva-text: rgba(255, 255, 255, 0.92);
  --selva-muted: rgba(255, 255, 255, 0.55);
  --selva-green: #21DC99;
  --selva-green-dim: rgba(33, 220, 153, 0.12);
  --selva-radius: 24px;
  --spotify-green: #1ED760;
  --spotify-green-dim: rgba(30, 215, 96, 0.12);
  --aleph-blue: #447ef2;
  --aleph-blue-dim: rgba(68, 126, 242, 0.12);
  --gradient-bg: #08080f;
  --gradient-glow-green: rgba(15, 60, 30, 0.85);
  --gradient-glow-red: rgba(70, 10, 15, 0.75);
}

/* Base */
body {
  background-color: var(--gradient-bg);
  background-image:
    radial-gradient(ellipse at 0% 0%, var(--gradient-glow-green) 0%, transparent 55%),
    radial-gradient(ellipse at 100% 0%, var(--gradient-glow-red) 0%, transparent 55%);
  background-attachment: fixed;
  color: var(--selva-text);
  font-family: 'Unbounded', system-ui, sans-serif;
  font-weight: 250;
  min-height: 100vh;
}

/* Header / logo area */
.site-header {
  padding: 3rem 0 2rem;
  text-align: center;
}

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

.site-subtitle {
  font-size: 1.125rem;
  font-weight: 250;
  color: var(--selva-muted);
  max-width: 520px;
  margin: 1.5rem auto 0;
  line-height: 1.6;
}

/* Card grid */
.cards-section {
  padding: 3rem 0 5rem;
}

.brief-card {
  background-color: var(--selva-surface);
  border: 1px solid var(--selva-border);
  border-radius: var(--selva-radius);
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.brief-card:hover {
  border-color: #fff;
  box-shadow: 0 0 32px rgba(33, 220, 153, 0.10);
}

.brief-card:has(.btn-brief:hover) {
    border-color: var(--spotify-green);
    box-shadow: 0 0 32px rgba(33, 220, 153, 0.20);
}

.brief-card--aleph .card-tag {
  color: var(--aleph-blue);
  background-color: var(--aleph-blue-dim);
}

.brief-card--aleph:has(.btn-brief:hover) {
  border-color: var(--aleph-blue);
  box-shadow: 0 0 32px var(--aleph-blue-dim);
}

.brief-card--aleph .btn-brief:hover {
  background-color: var(--aleph-blue);
  border-color: var(--aleph-blue);
  color: #fff;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
  align-self: flex-start;
  max-width: 100%;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--spotify-green);
  background-color: var(--spotify-green-dim);
  border-radius: 100px;
  padding: 0.2rem 0.55rem;
  line-height: 1;
}

.brief-card h2 {
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--selva-text);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.brief-card p {
  font-size: 0.925rem;
  color: var(--selva-muted);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 2rem;
}

/* CTA button */
.btn-brief {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: transparent;
  color: #fff;
  border: 1.5px solid #fff;
  border-radius: 100px;
  padding: 0.6rem 1.4rem;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  align-self: flex-start;
  white-space: nowrap;
}

.btn-brief:hover {
  background-color: var(--spotify-green);
  border: 1.5px solid var(--spotify-green);
  color: var(--selva-bg);
}

.btn-brief .bi {
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.btn-brief:hover .bi {
  transform: translateX(3px);
}

/* Divider line under header */
.header-divider {
  border-color: var(--selva-border);
  margin: 0;
}

/* ────────────────────────────────────────── */
/* Login Page Styles */
/* ────────────────────────────────────────── */

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background-color: var(--selva-surface);
  border: 1px solid var(--selva-border);
  border-radius: var(--selva-radius);
  padding: 3rem 2rem;
  text-align: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-card:hover {
  border-color: #fff;
  box-shadow: 0 0 32px rgba(33, 220, 153, 0.10);
}

.login-card:has(.login-form button:hover) {
  border-color: var(--spotify-green);
  box-shadow: 0 0 32px rgba(33, 220, 153, 0.20);
}

.login-card .site-logo {
  height: 56px;
  width: auto;
  margin: 0 auto 2rem;
  display: block;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-form input {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--selva-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--selva-text);
  font-family: 'Unbounded', system-ui, sans-serif;
  font-size: 1rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.login-form input::placeholder {
  color: var(--selva-muted);
  font-weight: 250;
}

.login-form input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--spotify-green);
}

.login-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: transparent;
  color: #fff;
  border: 1.5px solid #fff;
  border-radius: 100px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-family: 'Unbounded', system-ui, sans-serif;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.login-form button:hover {
  background-color: var(--spotify-green);
  border-color: var(--spotify-green);
  color: var(--selva-bg);
}

.error-message {
  color: #ff6b6b;
  font-size: 0.925rem;
  margin-top: 1rem;
  display: none;
}