/* ── Design Tokens ────────────────────────────────────────── */
:root {
    --bg-primary:   #0a0a0f;
    --bg-card:      rgba(20, 20, 30, 0.75);
    --bg-input:     rgba(255, 255, 255, 0.06);
    --border:       rgba(255, 255, 255, 0.08);
    --border-focus: rgba(229, 9, 20, 0.5);
    --text-primary: #f1f1f1;
    --text-secondary: #8a8a9a;
    --accent:       #e50914;
    --accent-hover: #ff1a26;
    --accent-glow:  rgba(229, 9, 20, 0.35);
    --success:      #00c853;
    --success-bg:   rgba(0, 200, 83, 0.1);
    --error:        #ff5252;
    --error-bg:     rgba(255, 82, 82, 0.1);
    --warning:      #ffc107;
    --warning-bg:   rgba(255, 193, 7, 0.1);
    --radius:       14px;
    --radius-sm:    10px;
    --font:         'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition:   0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { font-size: 16px; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 3rem 1rem 2rem;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Animated Background ──────────────────────────────────── */
.bg-particles {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(229,9,20,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(90,20,220,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(229,9,20,0.04) 0%, transparent 50%);
    animation: bgPulse 8s ease-in-out infinite alternate;
}
@keyframes bgPulse {
    from { opacity: .7; }
    to   { opacity: 1; }
}

/* ── Container ────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeUp 0.5s ease;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ───────────────────────────────────────────────── */
.header { text-align: center; }
.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    margin-bottom: 0.5rem;
}
.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #b8070f);
    display: grid;
    place-items: center;
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.logo h1 {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.subtitle {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 400;
}

/* ── Card ─────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 8px 32px rgba(0,0,0,0.25),
        inset 0 1px 0 rgba(255,255,255,0.04);
    transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
    transform: translateY(-2px);
    box-shadow:
        0 12px 40px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(255,255,255,0.04);
}

/* ── Form ─────────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
.form-group label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.form-group label svg { opacity: 0.6; }

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder {
    color: rgba(255,255,255,0.2);
}
.form-group input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(229,9,20,0.12);
}

/* ── Button ───────────────────────────────────────────────── */
button[type="submit"] {
    width: 100%;
    padding: 0.85rem;
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--accent), #c4070f);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
button[type="submit"]::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1));
    opacity: 0;
    transition: opacity var(--transition);
}
button[type="submit"]:hover::after { opacity: 1; }
button[type="submit"]:hover {
    box-shadow: 0 6px 24px var(--accent-glow);
    transform: translateY(-1px);
}
button[type="submit"]:active { transform: scale(0.98); }
button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Result Card ──────────────────────────────────────────── */
.result-card {
    animation: fadeUp 0.35s ease;
}
.result-card.success { border-color: rgba(0,200,83,0.3); }
.result-card.error   { border-color: rgba(255,82,82,0.3); }
.result-card.blocked { border-color: rgba(255,193,7,0.3); }

.result-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
}
.result-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
}
.result-icon.success { background: var(--success-bg); }
.result-icon.error   { background: var(--error-bg); }
.result-icon.blocked { background: var(--warning-bg); }

.result-title {
    font-size: 1.05rem;
    font-weight: 600;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}
.result-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.result-detail span { color: var(--text-primary); font-weight: 500; }

.result-link {
    display: block;
    width: 100%;
    padding: 0.8rem;
    background: var(--success-bg);
    border: 1px solid rgba(0,200,83,0.2);
    border-radius: var(--radius-sm);
    color: var(--success);
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
}
.result-link:hover {
    background: rgba(0,200,83,0.18);
    box-shadow: 0 4px 16px rgba(0,200,83,0.15);
    transform: translateY(-1px);
}

.result-message {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.btn-retry {
    margin-top: 1rem;
    padding: 0.6rem 1.25rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.88rem;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-retry:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
    text-align: center;
    padding: 0.5rem 0;
}
.footer p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.footer strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 520px) {
    body { padding: 1.5rem 0.75rem 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .card { padding: 1.25rem; }
    .logo h1 { font-size: 1.3rem; }
}

/* ── Code display + copy (client view) ────────────────────── */
.code-display {
    font-family: var(--font);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.5rem;
    text-align: center;
    color: var(--success);
    background: var(--success-bg);
    border: 1px solid rgba(0, 200, 83, 0.3);
    border-radius: var(--radius);
    padding: 1rem 0.5rem;
    margin: 0.5rem 0 1rem;
    user-select: all;
}

.copy-code-btn {
    width: 100%;
    padding: 0.85rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font);
    color: #fff;
    background: var(--success);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}
.copy-code-btn:hover { background: #00e676; transform: translateY(-1px); }
.copy-code-btn:active { transform: translateY(0); }

.result-link.secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    margin-top: 0.6rem;
}

.optional { color: var(--text-secondary); font-weight: 400; font-size: 0.8em; }

/* ── Ayuda de inicio de sesión (cliente) ──────────────────── */
.steps {
    text-align: left;
    margin: 0.5rem 0 1rem;
    padding-left: 1.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--text-primary);
}
.steps li { line-height: 1.45; }
.result-hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* ── Aviso destacado del campo de correo ──────────────────── */
.email-notice {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    background: rgba(229, 9, 20, 0.10);
    border: 1px solid rgba(229, 9, 20, 0.35);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin: 0.1rem 0 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.45;
}
.email-notice-icon { font-size: 1.3rem; line-height: 1; }
.email-notice strong { color: #fff; }
.email-notice-no { display: inline-block; margin-top: 0.35rem; color: var(--warning); font-weight: 700; }
.field-error { color: var(--error); font-size: 0.9rem; font-weight: 600; margin-top: 0.5rem; }