:root {
    --primary: #0a2e5c;
    --card: rgba(255, 255, 255, 0.92);
    --label: #777;
    --value: #111;
    --muted: #666;
    --copy: #9ca3af;
    --copy-hover: #374151;
    --success: #16a34a;
    --row-bg: #f3f4f6;
}

/* SOLO BANKS */
body.banks-app {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;

    background-image: url("/images/background_bbva.webp");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

body.banks-app::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(10, 30, 60, 0.55);
    pointer-events: none;
}

/* CONTENEDOR */
.app-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    justify-content: center;
}

/* CARD */
.card {
    background: var(--card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    padding: 30px;
    border-radius: 18px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);

    width: 100%;
    max-width: 420px;
    text-align: center;
}

.logo {
    width: 120px;
    max-width: 100%;
    display: block;
    margin: 0 auto 10px auto;
}

.subtitle {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 20px;
}

.row {
    margin: 12px 0;
    text-align: left;
}

.label {
    font-size: 12px;
    color: var(--label);
}

.value-box {
    margin-top: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;

    background: var(--row-bg);
    padding: 10px 12px;
    border-radius: 8px;
}

.value {
    font-size: 14px;
    color: var(--value);
    word-break: break-word;
    min-width: 0;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;

    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;

    font-size: 12px;
    color: var(--copy);
    padding: 4px;
    line-height: 1;
    transition: color 0.2s ease;
}

.copy-btn:hover {
    color: var(--copy-hover);
}

.copy-btn svg {
    width: 18px;
    height: 18px;
    display: block;
    overflow: visible;
    fill: currentColor;
    flex-shrink: 0;
}

.copy-btn.copied {
    color: var(--success);
}

.security {
    margin-top: 15px;
    font-size: 12px;
    color: #555;
    text-align: center;
}

.not-found {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: var(--card);
    border-radius: 18px;
    padding: 30px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
    text-align: center;
}

.not-found h1 {
    margin: 0 0 10px 0;
    color: var(--primary);
    font-size: 24px;
}

.not-found p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}

@media (max-width: 640px) {
    body.banks-app {
        padding: 16px 0;
    }

    .card {
        width: 95%;
        max-width: 100%;
        padding: 24px 18px;
        border-radius: 16px;
    }

    .logo {
        width: 110px;
    }

    .value-box {
        padding: 10px;
        gap: 10px;
    }

    .value {
        font-size: 13px;
    }

    .copy-btn {
        font-size: 12px;
    }

    .copy-btn svg {
        width: 18px;
        height: 18px;
    }
}

/* Spinner de carga */
.double-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid transparent;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  position: relative;
}
.double-spinner::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 3px solid transparent;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin-back 0.5s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes spin-back {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}