* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --gray-900: #1f2937;
    --gray-600: #6b7280;
    --gray-400: #9ca3af;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --red: #dc2626;
    --red-bg: #fef2f2;
}

body {
    font-family: "Teachers", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    min-height: 100vh;
    overflow: hidden;
    color: var(--gray-900);
}

/* ---------- FONDO: imagen a pantalla completa al 100% ---------- */
.bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: url("../trabajo-bg.png") center / cover no-repeat;
}

/* ---------- Login a la izquierda ---------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 9vh 0 48px 8%;
}

.login-form {
    width: min(360px, 100%);
}

/* Logo azul directo */
.logo-zone {
    width: 200px;
    height: 200px;
    margin: 0 auto 34px;
    display: grid;
    place-items: center;
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Inputs con titulo y contorno azul */
.field { margin-bottom: 22px; }

.label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.control {
    position: relative;
}

.control input {
    width: 100%;
    padding: 15px 48px 15px 50px;
    font-size: 1rem;
    color: var(--gray-900);
    background: #fff;
    border: 2px solid var(--blue);
    border-radius: 12px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.control input::placeholder { color: var(--gray-400); }

.control input:focus {
    border-color: var(--blue-dark);
    background: #f8fafc;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.control .icon {
    position: absolute;
    left: 16px; top: 50%;
    transform: translateY(-50%);
    width: 22px; height: 22px;
    color: var(--blue);
    pointer-events: none;
}

.control .toggle {
    position: absolute;
    right: 10px; top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.control .toggle:hover { color: var(--blue); background: var(--gray-100); }

.control .toggle .icon-eye {
    display: block;
    width: 22px; height: 22px;
}

/* Boton */
.btn-login {
    position: relative;
    width: 100%;
    padding: 15px;
    margin-top: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    color: #fff;
    background: var(--blue);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    overflow: hidden;
    transition: background 0.2s, transform 0.15s, box-shadow 0.25s;
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.3);
}

.btn-login:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 14px 28px rgba(37, 99, 235, 0.38); }
.btn-login:active { transform: translateY(0); }

.btn-login::after {
    content: "";
    position: absolute;
    top: 0; left: -80%;
    width: 50%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    animation: shine 3.2s ease-in-out infinite;
}

@keyframes shine {
    0% { left: -80%; }
    55% { left: 130%; }
    100% { left: 130%; }
}

/* Mensaje de error */
.error-box {
    margin-bottom: 18px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--red-bg);
    border: 1px solid #fecaca;
    color: var(--red);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: shake 0.45s ease;
}

.error-box .icon {
    width: 20px; height: 20px;
    flex-shrink: 0;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-7px); }
    40% { transform: translateX(7px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

/* ---------- Titulo en la esquina inferior derecha ---------- */
.corner-title {
    position: fixed;
    right: 40px;
    bottom: 36px;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    text-align: right;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}