/* Variables del Sistema */
:root {
    --emerald-50: #ecfdf5;
    --emerald-100: #d1fae5;
    --emerald-200: #a7f3d0;
    --emerald-300: #6ee7b7;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --emerald-800: #065f46;
    --emerald-900: #064e3b;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-400: #94a3b8;
    --slate-600: #475569;
    --slate-900: #0f172a;
    --white: #ffffff;
}

body {
    background-color: var(--slate-100);
    font-family: 'Segoe UI', sans-serif;
    margin: 0%;
}

.encabezadoPrincipal {
    background: var(--white);
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: 0 3px 5px var(--emerald-700);
    box-shadow: 0 4px 12px rgba(4, 120, 87, 0.15);
    width: 100%;
}

.logoPrincipal {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    box-sizing: border-box;
}

.logoImg {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.marcaLogo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--emerald-700);
    letter-spacing: -0.025em;
}

.contenedorPrincipal {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

.loginPrincipal {
    padding: 4rem 0;
}

.loginGrid {
    display: grid;
    grid-template-columns: minmax(300px, 500px) 1fr;
    gap: 4rem;
    align-items: start;
}

.login-input-conteiner {
    color: var(--slate-600);
    padding: 2.5rem;
    border-radius: 4px;
}

.login-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 4px;
    border: 2px solid var(--slate-200);
    box-shadow: 0 3px 5px var(--emerald-700);
    box-shadow: 0 4px 12px rgba(4, 120, 87, 0.15);
}

.login-text {
    color: var(--slate-400);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.form-main {
    margin-bottom: 1.5rem;
}

.form-main label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--slate-400);
    font-weight: 700;
}

.form-main input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--slate-200);
    border-radius: 24px;
    background: var(--white);
    color: var(--slate-900);
    outline: none;
    transition: border 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.form-main input:focus {
    background: var(--emerald-50);
    border-color: var(--emerald-600);
    color: var(--slate-900);
}

.primary-button {
    width: 100%;
    background: var(--emerald-700);
    color: var(--white);
    padding: 0.8rem;
    border: 1px solid var(--slate-200);
    border-radius: 24px;
    font-weight: 900;
    cursor: pointer;
    transition: border 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.primary-button:hover {
    background: var(--emerald-500);
    border-color: var(--emerald-600);
    color: var(--slate-900);
}

.info-main {
    color: var(--slate-600);
    padding: 2.5rem;
    border-radius: 4px;
}

.info-title {
    font-size: 2rem;
    color: var(--slate-400);
    margin-bottom: 2rem;
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
}

.info-list li::before {
    content: "•";
    position: absolute;
    left: 3%;
    color: var(--slate-900);
    font-weight: bold;
}

.protocolo {
    width: 100%;
    max-width: 800px;
    margin: 3rem auto 0 auto;
    padding: 2rem 3rem;
    text-align: center;
    border: 2px solid var(--slate-200);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(4, 120, 87, 0.15);
}

.protocolo p {
    font-weight: 900;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}



/* --- ALERTA DE ERROR PREMIUM --- */
.alert-error {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    background: rgba(254, 242, 242, 0.95);
    border: 1px solid #fecaca;
    color: #991b1b;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.alert-error::before {
    content: "⚠️";
    font-size: 1.1rem;
    display: inline-block;
    flex-shrink: 0;
}

.alert-error.shake {
    animation: shake 0.45s ease-in-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    15%, 45%, 75% { transform: translateX(-6px); }
    30%, 60%, 90% { transform: translateX(6px); }
}