/* =========================================================
   BirMillat — Shared Design System
   One file. Change a value here, it updates everywhere.
   ========================================================= */

:root {
  /* Color */
  --color-primary: #2D1B69;       /* deep indigo — brand, headers, nav */
  --color-primary-light: #4A2F9E; /* hover states */
  --color-accent: #FF6B5B;        /* warm coral — CTAs, highlights */
  --color-accent-light: #FF8B7D;
  --color-bg: #FAF7F2;            /* warm cream background */
  --color-surface: #FFFFFF;       /* cards */
  --color-text: #1A1625;          /* near-black, warm tint */
  --color-text-muted: #6B6478;
  --color-border: #E8E2F0;
  --color-success: #2E7D32;
  --color-success-bg: #E6F4E6;
  --color-error: #C0392B;
  --color-error-bg: #FCEAE8;

  /* Type */
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale */
  --space-xs: 0.4rem;
  --space-sm: 0.8rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  /* Shape */
  --radius-sm: 0.6rem;
  --radius-md: 1rem;
  --radius-pill: 30px;
  --shadow-card: 0 2px 12px rgba(45, 27, 105, 0.07);
  --shadow-hover: 0 10px 28px rgba(45, 27, 105, 0.12);
}

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
}

a {
  color: var(--color-primary);
}

/* ---------- Navbar (shared across logged-in pages) ---------- */
.navbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.navbar .logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.navbar .nav-links {
  display: flex;
  gap: 2rem;
}

.navbar .nav-links a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.15s ease;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
  color: var(--color-accent);
}

.user-badge {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* ---------- Layout shell ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 107, 91, 0.35);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

/* ---------- Interest tags (the signature motif) ---------- */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag {
  background: #EFEAF8;
  color: var(--color-primary);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
}

.tag.accent {
  background: #FFEAE6;
  color: var(--color-accent);
}

/* ---------- Section labels ---------- */
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
  letter-spacing: 0.6px;
}

/* ---------- Forms (login/register cards) ---------- */
.auth-shell {
  font-family: var(--font-body);
  background: var(--color-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1.5rem;
}

.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  width: 360px;
  text-align: center;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--color-border);
}

.auth-card h2 {
  margin-bottom: 1.2rem;
}

.auth-card input {
  width: 100%;
  padding: 0.8rem 1rem;
  margin: 0.5rem 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.auth-card input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.auth-card button {
  width: 100%;
  background: var(--color-accent);
  color: white;
  border: none;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  margin-top: 0.6rem;
  transition: background 0.15s ease;
}

.auth-card button:hover {
  background: var(--color-accent-light);
}

.auth-card p {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.auth-card a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.message {
  padding: 0.7rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.88rem;
}

.message.error {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.message.success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
}

@media (max-width: 680px) {
  .navbar { flex-direction: column; align-items: stretch; text-align: center; }
  .navbar .nav-links { justify-content: center; }
}