* { box-sizing: border-box; }

/* [hidden] tarayici varsayilaninda display:none yapar, ama asagidaki
   .gate gibi kurallar display:flex ile ayni ozguculukte oldugu icin
   onu ezebiliyor. Bu satir hidden'in her zaman kazanmasini garantiler. */
[hidden] {
  display: none !important;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  /* Zemin, logonun oturdugu koyu lacivert ile ayni tondan baslar; kart ise
     asagida belirgin sekilde daha acik/canli bir yuzeyle one cikar. */
  background: radial-gradient(120% 140% at 50% 0%, #0d234f 0%, var(--coes-navy-900) 55%, #071534 100%);
  color: var(--coes-silver);
}

.gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: linear-gradient(160deg, rgba(41, 71, 148, 0.65) 0%, rgba(20, 41, 96, 0.78) 100%);
  border: 1px solid rgba(80, 213, 254, 0.32);
  border-radius: 16px;
  padding: 32px 30px 36px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(80, 213, 254, 0.08);
  text-align: center;
  backdrop-filter: blur(10px);
}

.login-logo {
  width: 100%;
  max-width: 220px;
  height: auto;
  margin: 0 auto 18px;
  display: block;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.35));
}

.subtitle {
  color: var(--coes-silver-dim);
  font-size: 13.5px;
  margin: 0 0 22px;
}

.login-card label {
  display: block;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  margin: 14px 0 6px;
  color: var(--coes-silver);
}

.login-card input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid rgba(204, 204, 212, 0.2);
  border-radius: 10px;
  font-size: 15px;
  background: rgba(0, 0, 0, 0.25);
  color: #f4f4f6;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.login-card input::placeholder {
  color: var(--coes-silver-dim);
}

.login-card input:focus {
  outline: none;
  border-color: var(--coes-blue-bright);
  background: rgba(0, 0, 0, 0.35);
  box-shadow: 0 0 0 3px rgba(80, 213, 254, 0.18);
}

.login-card button {
  width: 100%;
  margin-top: 24px;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--coes-blue-deep), var(--coes-blue-bright));
  color: #04101f;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.05s;
}

.login-card button:hover { opacity: 0.92; }
.login-card button:active { transform: scale(0.99); }

.login-card button:disabled {
  opacity: 0.6;
  cursor: default;
}

.error {
  color: #ff8a8a;
  font-size: 13px;
  margin-top: 14px;
}

.login-card .remember { display: flex; align-items: center; gap: 10px; margin-top: 18px; cursor: pointer; }
.login-card .remember input { width: 18px; height: 18px; accent-color: #50d5fe; }
.remember-note { text-align: left; font-size: 12px; line-height: 1.5; color: var(--coes-silver-dim); }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 70px; }
.login-card .password-wrap button { position: absolute; right: 4px; top: 4px; width: 62px; margin: 0; padding: 9px 4px; background: transparent; color: #50d5fe; font-size: 12px; }
.login-card h1 { font-size: 22px; }
#firmOptions button { margin-top: 10px; }

.app {
  min-height: 100vh;
  background: #f2f4f9;
}

.app .app-shell {
  min-height: 100vh;
}

.dash-body {
  flex: 1 1 auto;
  min-width: 0;
  padding: 40px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.dash-placeholder {
  color: #6b7280;
  font-size: 14px;
}

@media (max-width: 420px) {
  .login-card {
    padding: 26px 22px 30px;
    border-radius: 14px;
  }
}