/* ═══════════════════════════════════════════════════
   SO · Unidad 2 — login.css
   Estilos del sistema de login docente
   ═══════════════════════════════════════════════════ */

/* ── OVERLAY MODAL LOGIN ── */
.login-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-overlay.open { display: flex; }

.login-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  position: relative;
}

.login-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--surface2);
  border: none;
  border-radius: 6px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
}
.login-modal-close:hover { background: var(--border); }

.login-header {
  margin-bottom: 1.5rem;
}
.login-header .login-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: .75rem;
}
.login-header h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}
.login-header p {
  font-size: 13px;
  color: var(--text2);
}

/* ── FORM ── */
.login-form { display: flex; flex-direction: column; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  font-family: var(--mono);
  letter-spacing: .04em;
}
.form-group input {
  padding: .6rem .875rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color .15s;
}
.form-group input:focus { border-color: var(--accent); background: var(--surface); }

.login-error {
  background: var(--red-bg);
  border: 1px solid #f5c0c0;
  border-radius: 8px;
  padding: .625rem .875rem;
  font-size: 13px;
  color: var(--red);
  display: none;
}
.login-error.visible { display: block; }

.login-btn {
  padding: .7rem 1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
}
.login-btn:hover { opacity: .88; }

.login-btn-secondary {
  padding: .6rem 1rem;
  background: none;
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}
.login-btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.login-success {
  background: var(--green-bg);
  border: 1px solid #a3d9bb;
  border-radius: 8px;
  padding: .625rem .875rem;
  font-size: 13px;
  color: var(--green);
  display: none;
}

/* Formulario cambio de contraseña */
.change-pw-form {
  display: none;
  flex-direction: column;
  gap: 1rem;
}

/* ── PANEL DOCENTE ── */
.docente-panel {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--rl);
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: none;
}
.docente-panel.visible { display: block; }

.docente-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: .75rem;
}
.docente-panel-header h3 {
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.docente-panel-header h3 span.badge {
  background: var(--accent-bg);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: .04em;
}

.logout-btn {
  padding: 5px 14px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text2);
  cursor: pointer;
  transition: all .15s;
}
.logout-btn:hover { border-color: var(--red); color: var(--red); }

.panel-tabs-config {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
}
.tab-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface2);
  color: var(--text2);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  user-select: none;
}
.tab-toggle input[type="checkbox"] { display: none; }
.tab-toggle .check-icon { font-size: 12px; }
.tab-toggle.enabled {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}
/* Inicio siempre activo, no modificable */
.tab-toggle.locked {
  opacity: .65;
  cursor: not-allowed;
  background: var(--surface2);
  border-color: var(--border);
  color: var(--text3);
}

.panel-save-note {
  margin-top: .875rem;
  font-size: 12px;
  color: var(--text3);
  font-family: var(--mono);
}

/* ── RESPONSIVE LOGIN ── */
@media (max-width: 420px) {
  .login-modal { padding: 1.25rem; }
  .login-header h2 { font-size: 16px; }
  .docente-panel { padding: 1rem; }
}