/* Estilo compartido de las pantallas de autenticación y de test.html.
   Recreado en CSS plano a partir del sistema de diseño de referencia
   (Tailwind + Plus Jakarta Sans, acento índigo, glassmorphism, blobs). */

:root {
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    background: #f8fafc;
    color: #0f172a;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #020617;
        color: #f1f5f9;
    }
}

.page-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background: linear-gradient(160deg, #eef2ff 0%, #f8fafc 55%, #ecfeff 100%);
}

@media (prefers-color-scheme: dark) {
    .page-bg {
        background: linear-gradient(160deg, #0b1120 0%, #0f172a 55%, #111827 100%);
    }
}

.blob {
    position: absolute;
    border-radius: 9999px;
    filter: blur(70px);
    opacity: 0.3;
    animation: blob-float 14s ease-in-out infinite;
}

@media (prefers-color-scheme: dark) {
    .blob {
        opacity: 0.35;
    }
}

.blob-indigo {
    top: -80px;
    left: -80px;
    width: 280px;
    height: 280px;
    background: #818cf8;
}

.blob-emerald {
    bottom: -60px;
    right: -60px;
    width: 260px;
    height: 260px;
    background: #34d399;
    animation-delay: -4s;
}

.blob-violet {
    top: 45%;
    left: 60%;
    width: 200px;
    height: 200px;
    background: #a78bfa;
    animation-delay: -9s;
}

@keyframes blob-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.08); }
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}

.page-center {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.card {
    width: 100%;
    max-width: 380px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
    animation: card-in 0.4s ease;
}

@media (prefers-color-scheme: dark) {
    .card {
        background: rgba(15, 23, 42, 0.82);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    }
}

.card.wide {
    max-width: 460px;
}

.card-icon {
    margin: 0 auto 12px;
    width: 56px;
    height: 56px;
    border-radius: 9999px;
    background: #e0e7ff;
    color: #4f46e5;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (prefers-color-scheme: dark) {
    .card-icon {
        background: rgba(129, 140, 248, 0.15);
        color: #818cf8;
    }
}

h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 4px;
}

.subtitle {
    font-size: 0.875rem;
    color: #64748b;
    margin: 0 0 4px;
}

@media (prefers-color-scheme: dark) {
    .subtitle { color: #94a3b8; }
}

form {
    text-align: left;
    margin-top: 8px;
}

.field-label {
    display: block;
    margin: 14px 0 4px;
    font-size: 0.875rem;
    color: #475569;
}

@media (prefers-color-scheme: dark) {
    .field-label { color: #94a3b8; }
}

.field-input {
    width: 100%;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #fff;
    padding: 10px 12px;
    font-size: 0.9rem;
    color: #0f172a;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field-input:hover {
    border-color: #818cf8;
}

.field-input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

@media (prefers-color-scheme: dark) {
    .field-input {
        background: #020617;
        border-color: #334155;
        color: #f1f5f9;
    }
    .field-input:focus {
        border-color: #818cf8;
        box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.25);
    }
}

select.field-input {
    cursor: pointer;
}

.password-field {
    position: relative;
}

.password-field .field-input {
    padding-right: 40px;
}

.field-icon {
    position: absolute;
    top: 50%;
    left: 12px;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    pointer-events: none;
}

@media (prefers-color-scheme: dark) {
    .field-icon {
        color: #64748b;
    }
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 6px;
    padding: 0;
}

.password-toggle:hover {
    color: #475569;
    background: #f1f5f9;
}

@media (prefers-color-scheme: dark) {
    .password-toggle:hover {
        color: #e2e8f0;
        background: rgba(148, 163, 184, 0.15);
    }
}

.password-toggle .eye-off {
    display: none;
}

.password-toggle.is-visible .eye-on {
    display: none;
}

.password-toggle.is-visible .eye-off {
    display: block;
}

.password-strength {
    margin-top: 8px;
}

.password-strength-track {
    height: 5px;
    border-radius: 999px;
    background: #e2e8f0;
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    .password-strength-track {
        background: #1e293b;
    }
}

.password-strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: #cbd5e1;
    transition: width 0.2s ease, background 0.2s ease;
}

.password-strength-fill.weak {
    background: #ef4444;
}

.password-strength-fill.medium {
    background: #f59e0b;
}

.password-strength-fill.strong {
    background: #10b981;
}

.password-strength-label {
    margin-top: 4px;
    font-size: 0.78rem;
    color: #94a3b8;
}

.password-strength-label.weak {
    color: #ef4444;
}

.password-strength-label.medium {
    color: #f59e0b;
}

.password-strength-label.strong {
    color: #10b981;
}

.phone-row {
    display: flex;
    gap: 8px;
}

.phone-row .phone-number {
    flex: 1 1 auto;
    min-width: 0;
}

.flag-icon {
    width: 20px;
    height: auto;
    object-fit: contain;
    border-radius: 2px;
    flex-shrink: 0;
}

.phone-code-select {
    position: relative;
    flex: 0 0 108px;
}

.phone-code-btn {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #fff;
    padding: 10px 10px;
    font-size: 0.9rem;
    color: #0f172a;
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.phone-code-btn:hover {
    border-color: #818cf8;
}

.phone-code-btn:focus,
.phone-code-btn[aria-expanded="true"] {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.phone-code-caret {
    margin-left: auto;
    color: #94a3b8;
    flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
    .phone-code-btn {
        background: #020617;
        border-color: #334155;
        color: #f1f5f9;
    }
    .phone-code-btn:focus,
    .phone-code-btn[aria-expanded="true"] {
        border-color: #818cf8;
        box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.25);
    }
}

.phone-code-list {
    position: absolute;
    z-index: 10;
    top: calc(100% + 4px);
    left: 0;
    width: 260px;
    max-height: 260px;
    overflow-y: auto;
    margin: 0;
    padding: 4px;
    list-style: none;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
}

.phone-code-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 8px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #0f172a;
    cursor: pointer;
}

.phone-code-list li:hover,
.phone-code-list li[aria-selected="true"] {
    background: #eef2ff;
}

.phone-code-list-code {
    color: #64748b;
    flex-shrink: 0;
}

.phone-code-list-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (prefers-color-scheme: dark) {
    .phone-code-list {
        background: #0f172a;
        border-color: #334155;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    }
    .phone-code-list li {
        color: #f1f5f9;
    }
    .phone-code-list li:hover,
    .phone-code-list li[aria-selected="true"] {
        background: rgba(129, 140, 248, 0.15);
    }
    .phone-code-list-code {
        color: #94a3b8;
    }
}

.btn-primary {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    background: #4f46e5;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.btn-primary:hover {
    background: #4338ca;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #334155;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: #94a3b8;
}

@media (prefers-color-scheme: dark) {
    .btn-secondary {
        background: #1e293b;
        border-color: #334155;
        color: #f1f5f9;
    }
    .btn-secondary:hover {
        background: #334155;
    }
}

.link {
    color: #4f46e5;
    text-decoration: none;
}

.link:hover {
    color: #4338ca;
    text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
    .link { color: #818cf8; }
    .link:hover { color: #a5b4fc; }
}

.footer-note {
    margin-top: 16px;
    font-size: 0.8rem;
    color: #64748b;
}

@media (prefers-color-scheme: dark) {
    .footer-note { color: #94a3b8; }
}

.alert-error, .alert-ok, .alert-info {
    margin: 16px 0;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.85rem;
    text-align: left;
}

.alert-error {
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #b91c1c;
    animation: shake 0.5s ease;
}

.alert-ok {
    border: 1px solid #a7f3d0;
    background: #ecfdf5;
    color: #047857;
}

.alert-info {
    border: 1px solid #c7d2fe;
    background: #eef2ff;
    color: #4338ca;
}

@media (prefers-color-scheme: dark) {
    .alert-error {
        border-color: rgba(248, 113, 113, 0.25);
        background: rgba(248, 113, 113, 0.1);
        color: #f87171;
    }
    .alert-ok {
        border-color: rgba(52, 211, 153, 0.25);
        background: rgba(52, 211, 153, 0.1);
        color: #34d399;
    }
    .alert-info {
        border-color: rgba(129, 140, 248, 0.25);
        background: rgba(129, 140, 248, 0.08);
        color: #a5b4fc;
    }
}

.hidden {
    display: none !important;
}

.code-box {
    font-size: 1.75rem;
    font-weight: 700;
    color: #4f46e5;
    text-align: center;
    margin-top: 8px;
    letter-spacing: 2px;
}

@media (prefers-color-scheme: dark) {
    .code-box { color: #818cf8; }
}

pre.result-box {
    background: #f1f5f9;
    color: #334155;
    padding: 12px;
    border-radius: 8px;
    white-space: pre-wrap;
    word-break: break-all;
    margin-top: 16px;
    font-size: 0.8rem;
    text-align: left;
}

@media (prefers-color-scheme: dark) {
    pre.result-box {
        background: #0f172a;
        color: #cbd5e1;
    }
}

.session-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.session-info {
    font-size: 0.85rem;
    color: #475569;
    text-align: left;
}

@media (prefers-color-scheme: dark) {
    .session-info { color: #94a3b8; }
}

.badge {
    display: inline-block;
    border-radius: 9999px;
    padding: 2px 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-admin {
    background: #e0e7ff;
    color: #4338ca;
}

.badge-usuario {
    background: #e2e8f0;
    color: #475569;
}

@media (prefers-color-scheme: dark) {
    .badge-admin { background: rgba(129, 140, 248, 0.18); color: #a5b4fc; }
    .badge-usuario { background: rgba(148, 163, 184, 0.18); color: #cbd5e1; }
}

.app-footer {
    position: relative;
    z-index: 1;
    width: 100%;
    text-align: center;
    padding: 24px 16px;
    font-size: 0.8rem;
    color: #64748b;
}

.app-footer a {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 600;
}

.app-footer a:hover {
    text-decoration: underline;
}

.app-footer .footer-telegram {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    color: #64748b;
}

.app-footer .footer-telegram a {
    color: #64748b;
    font-weight: 500;
}

.app-footer .footer-telegram svg {
    flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
    .app-footer { color: #94a3b8; }
    .app-footer a { color: #a5b4fc; }
    .app-footer .footer-telegram,
    .app-footer .footer-telegram a { color: #94a3b8; }
}