/* =============================================================
   GLOBAL VARIABLES
   ============================================================= */
:root {
  --blue-1: #003c7e; /* dark header blue */
  --blue-2: #006ddb; /* medium blue */
  --blue-3: #0092ff; /* bright accent blue */

  --white: #ffffff;
  --muted: #f2f4f7;
  --text-dark: #0b1220;

  --card-light: #ffffff;

  /* Dark Mode Colors (Option A — Premium Blue Dark Mode) */
  --dark-bg: #0d1520;
  --dark-card: #1b1d24;
  --dark-sidebar-1: #071427;
  --dark-sidebar-2: #0a1f39;
}

/* RESET */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Poppins, Arial, sans-serif;
  background: var(--muted);
  color: var(--text-dark);
}

/* =============================================================
   HEADER (Always Blue Gradient)
   ============================================================= */
.header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: linear-gradient(90deg, var(--blue-2), var(--blue-3));
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 1200;
}

.header .brand {
  font-size: 20px;
  font-weight: 700;
}

.left-head, .right-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  background: var(--white);
  color: var(--blue-2);
  border-radius: 8px;
  border: none;
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 18px;
}

.theme-toggle {
  background: none;
  border: 0;
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--white);
}

/* =============================================================
   LEFT SIDEBAR — Solid Blue (Desktop)
   ============================================================= */
.sidebar {
  position: fixed;
  top: 64px;          /* below header */
  left: 0;
  bottom: 0;
  width: 220px;
  background: linear-gradient(180deg, var(--blue-1), var(--blue-2));
  color: var(--white);
  padding: 18px 14px;
  z-index: 1100;
  transition: transform 0.28s ease;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.06);
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
}

.close-sidebar {
  display: none;
  background: none;
  border: 0;
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
}

/* MENU */
.menu {
  list-style: none;
  padding: 0;
  margin-top: 14px;
}

.menu li {
  margin: 6px 0;
}

.menu a {
  display: block;
  padding: 10px 12px;
  color: var(--white);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
}

.menu a:hover {
  background: rgba(255, 255, 255, 0.10);
}

.menu a.active {
  background: rgba(255, 255, 255, 0.18);
}

/* =============================================================
   MAIN CONTENT
   ============================================================= */
.main {
  margin-left: 220px;
  padding-top: 18px;
}

.simple-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

/* CARDS */
.card {
  background: var(--card-light);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 2px 6px rgba(12, 16, 20, 0.03);
  border: 1px solid rgba(11, 17, 24, 0.03);
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

/* FORMS */
input, select, textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(11, 17, 24, 0.15);
  margin-bottom: 14px;
  font-size: 15px;
}

button {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  background: var(--blue-3);
  border: none;
  color: var(--white);
  cursor: pointer;
  font-size: 16px;
}

/* =============================================================
   MOBILE RESPONSIVE — Sidebar becomes Drawer
   ============================================================= */
@media (max-width: 900px) {
  .hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar {
    transform: translateX(-110%);
    width: 80%;
    max-width: 320px;
    top: 0;
    height: 100%;
    padding-top: 20px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .close-sidebar {
    display: inline-block;
  }

  .main {
    margin-left: 0;
    padding-top: 84px;
  }

  .simple-container {
    padding-bottom: 96px;
  }
}

@media (max-width: 420px) {
  .sidebar {
    width: 90%;
  }
}

/* =============================================================
   DARK MODE — Option A (Premium Blue Dark Mode)
   ============================================================= */

body.dark {
  background: var(--dark-bg);
  color: #ffffff;
}

/* Dark Sidebar */
body.dark .sidebar {
  background: linear-gradient(180deg, var(--dark-sidebar-1), var(--dark-sidebar-2));
}

body.dark .menu a {
  color: #d9e6ff;
}

body.dark .menu a:hover {
  background: rgba(77, 163, 255, 0.20);
}

body.dark .menu a.active {
  background: rgba(77, 163, 255, 0.30);
  border-left: 3px solid #4da3ff;
}

/* HEADER */
body.dark .header {
  background: linear-gradient(90deg, #002a66, #004499);
}

/* CARDS */
body.dark .card {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

/* FORM */
body.dark input,
body.dark select,
body.dark textarea {
  background: #111a24;
  border: 1px solid rgba(255,255,255,0.2);
  color: #e8efff;
}

body.dark input:focus,
body.dark select:focus,
body.dark textarea:focus {
  border-color: #4da3ff;
  box-shadow: 0 0 6px rgba(77, 163, 255, 0.6);
}

/* Avatar Fix */
body.dark .avatar {
  background: #233044;
}

body.dark .close-sidebar {
  color: #ffffff;
}

/* ===== DARK MODE FIXES FOR PROFILE ===== */

/* Make the main name visible */
body.dark .profile-name {
    color: #ffffff !important;
}

/* Make all section titles + labels visible */
body.dark label,
body.dark .role {
    color: #ffffff !important;
}

/* Make entire card dark */
body.dark .card {
    background: #1b1e24 !important;
    border-color: rgba(255,255,255,0.08) !important;
}

/* Make inputs readable */
body.dark input,
body.dark .profile-input {
    background: #12151a !important;
    color: #ffffff !important;
}