:root {
  --red: #e2231a;
  --red-dark: #b91c14;
  --navy: #1b2340;
  --navy-dark: #12172b;
  --panel: #232b4d;
  --text: #eef0f8;
  --text-dim: #a9b0c9;
  --green: #7ed321;
  --cyan: #4fd6e8;
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--navy-dark);
  color: var(--text);
}

.hidden { display: none !important; }

/* --- Login --- */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy-dark), var(--navy));
}
.login-box {
  background: var(--panel);
  padding: 40px;
  border-radius: 10px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.login-box h1 { text-align: center; margin: 0 0 10px; }
.login-logo { width: 48px; margin: 0 auto; }
.login-box input {
  padding: 12px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--navy-dark); color: var(--text); font-size: 14px;
}
.login-box button {
  padding: 12px; border-radius: 6px; border: none;
  background: var(--red); color: white; font-weight: 600; cursor: pointer;
}
.login-box button:hover { background: var(--red-dark); }
.error-text { color: #ff8080; font-size: 13px; min-height: 16px; text-align: center; }

/* --- Topbar --- */
.topbar {
  display: flex; align-items: center; gap: 10px;
  background: var(--navy); padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.logo {
  background: var(--red); width: 36px; height: 36px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center; font-weight: bold;
}
#global-search {
  flex: 0 0 260px; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--navy-dark); color: var(--text);
}
nav { display: flex; gap: 6px; flex: 1; }
.nav-btn {
  background: transparent; border: none; color: var(--text);
  padding: 10px 14px; border-radius: 6px; cursor: pointer; font-size: 14px;
}
.nav-btn.active, .nav-btn:hover { background: var(--red); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-right button {
  background: var(--panel); border: none; color: var(--text);
  padding: 8px 12px; border-radius: 6px; cursor: pointer;
}

/* --- Layout / general --- */
#page-content { padding: 24px; max-width: 1300px; margin: 0 auto; }
h2 { margin-top: 0; }

.card {
  background: var(--panel); border-radius: 8px; padding: 20px;
  margin-bottom: 20px; border: 1px solid var(--border);
}
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px;
}
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-dim); }
input, select, textarea {
  padding: 9px 10px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--navy-dark); color: var(--text); font-size: 14px; font-family: inherit;
}
textarea { resize: vertical; }

.btn { padding: 9px 16px; border-radius: 6px; border: none; cursor: pointer; font-weight: 600; }
.btn-primary { background: var(--red); color: white; }
.btn-primary:hover { background: var(--red-dark); }
.btn-green { background: var(--green); color: #12281a; }
.btn-cyan { background: var(--cyan); color: #0b2c33; }
.btn-secondary { background: var(--panel); color: var(--text); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-dim); font-weight: 600; }
tr:hover td { background: rgba(255,255,255,0.03); cursor: pointer; }

.badge {
  display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 12px; font-weight: 600;
}
.badge-active { background: rgba(126,211,33,0.2); color: var(--green); }
.badge-expired { background: rgba(226,35,26,0.2); color: #ff8080; }

.channel-tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.channel-tab {
  padding: 8px 14px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--navy-dark); color: var(--text-dim); cursor: pointer; font-size: 13px;
}
.channel-tab.active { background: var(--red); color: white; border-color: var(--red); }

.toast {
  position: fixed; bottom: 20px; right: 20px; padding: 12px 18px;
  border-radius: 6px; background: var(--panel); border: 1px solid var(--border);
  z-index: 999;
}
.toast.success { border-color: var(--green); }
.toast.error { border-color: var(--red); }

/* --- Modal --- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; z-index: 500;
}
.modal-box {
  background: var(--panel); padding: 24px; border-radius: 10px;
  width: 440px; max-width: 90vw; max-height: 85vh; overflow-y: auto;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }