:root {
  --bg-dark: #070D1E;
  --bg-panel: #0F1E4B;
  --bg-sidebar: #0A1538;
  --bg-card: #152559;
  --bg-hover: #1E316B;
  --gold: #C9A44C;
  --gold-light: #E4C878;
  --gold-dark: #9A7B2C;
  --text-main: #FFFFFF;
  --text-muted: #94A3B8;
  --border: rgba(201, 164, 76, 0.25);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --danger: #EF4444;
  --success: #10B981;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
}

.mail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: 100vh;
}

/* SIDEBAR */
.mail-sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.mail-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.mail-brand h2 {
  font-family: 'Cinzel', serif;
  font-size: 1.25rem;
  color: var(--gold);
  letter-spacing: 0.5px;
}

.btn-compose {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: #070D1E;
  font-weight: 700;
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.92rem;
  box-shadow: 0 4px 14px rgba(201, 164, 76, 0.3);
  transition: all 0.2s;
  margin-bottom: 20px;
  width: 100%;
}
.btn-compose:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(201, 164, 76, 0.4);
}

.mail-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-link-mail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.15s;
}
.nav-link-mail:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}
.nav-link-mail.active {
  background: var(--bg-card);
  color: var(--gold-light);
  font-weight: 700;
  border-left: 3px solid var(--gold);
}
.nav-badge {
  background: var(--gold);
  color: #070D1E;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 12px;
}

/* MAIN CONTENT */
.mail-main {
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.mail-topbar {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.search-mail-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  width: 380px;
}
.search-mail-box input {
  background: transparent;
  border: none;
  outline: none;
  color: #FFFFFF;
  font-size: 0.86rem;
  width: 100%;
}

.mail-content-area {
  padding: 24px 28px;
  overflow-y: auto;
  flex: 1;
}

/* LISTA DE MENSAGENS */
.msg-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.msg-item:hover {
  background: var(--bg-hover);
  border-color: var(--border);
  transform: translateX(3px);
}
.msg-item.unread {
  border-left: 4px solid var(--gold);
  background: #192D66;
}

/* CONTROL TABLE */
.control-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.control-table th {
  background: var(--bg-panel);
  color: var(--gold);
  font-family: 'Cinzel', serif;
  text-align: left;
  padding: 14px 16px;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.control-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.86rem;
}

/* MODAIS */
.modal-mail {
  position: fixed;
  inset: 0;
  background: rgba(7, 13, 30, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.modal-mail-box {
  background: var(--bg-panel);
  border: 1.5px solid var(--gold);
  border-radius: 12px;
  padding: 30px 34px;
  width: 100%;
  max-width: 600px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
}

.input-mail {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: #FFFFFF;
  font-family: inherit;
  font-size: 0.88rem;
  margin-bottom: 12px;
  outline: none;
}
.input-mail:focus {
  border-color: var(--gold-light);
  box-shadow: 0 0 8px rgba(201, 164, 76, 0.3);
}