:root {
    --blue: #0060aa;
    --blue-dark: #004d8c;
    --blue-brand: #054a86;
    --blue-sub: #1d4d7a;
    --label: #274765;
    --input-bg: #eaf4fd;
    --input-border: #b8d6f0;
    --input-focus: #4b9bd5;
    --input-text: #194065;
    --link: #1a4d79;
    --card-bg: rgba(245, 249, 253, 0.9);
    --card-border: rgba(255, 255, 255, 0.92);
    --shadow: 0 24px 70px rgba(5, 20, 45, 0.42), 0 4px 18px rgba(0,0,0,0.14);
}

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: 'Barlow', sans-serif;
    color: var(--label);
    background: #3b505d;
}

/* ── Página ──────────────────────────────────────────── */
.login-page {
    position: relative;
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    background: url('../images/workshop-bg.jpg') center center / cover no-repeat;
    overflow: hidden;
}

.bg-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.04) 0%, rgba(12,28,46,0.46) 100%),
        rgba(8, 22, 36, 0.22);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 0;
}

/* ── Tarjeta ─────────────────────────────────────────── */
.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    padding: 38px 38px 30px;
    background: var(--card-bg);
    border: 1.5px solid var(--card-border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    animation: appear 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes appear {
    from { opacity: 0; transform: translateY(18px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0)   scale(1);    }
}

/* ── Marca ───────────────────────────────────────────── */
.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 22px;
}

.brand__logo {
    width: 148px;
    height: auto;
    max-height: 120px;
    object-fit: contain;
    margin-bottom: 4px;
}

.brand__name {
    margin: 0;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 46px;
    font-weight: 800;
    line-height: 1;
    color: var(--blue-brand);
    letter-spacing: 0.04em;
}

.brand__sub {
    margin: 5px 0 0;
    font-family: 'Barlow', sans-serif;
    font-size: 19px;
    font-weight: 700;
    color: var(--blue-sub);
    letter-spacing: 0.14em;
}

/* ── Formulario ──────────────────────────────────────── */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15.5px;
    font-weight: 600;
    color: var(--label);
}

.label-icon {
    width: 17px;
    height: 17px;
    opacity: 0.85;
}

.input-wrap {
    display: flex;
    align-items: center;
    height: 48px;
    background: var(--input-bg);
    border: 1.5px solid var(--input-border);
    border-radius: 9px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrap:focus-within {
    border-color: var(--input-focus);
    background: #f1f8fe;
    box-shadow: 0 0 0 3px rgba(75, 155, 213, 0.22);
}

.input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 100%;
    flex-shrink: 0;
    border-right: 1px solid rgba(184, 214, 240, 0.7);
}

.input-icon img {
    width: 20px;
    height: 20px;
}

.input-wrap input {
    width: 100%;
    height: 100%;
    padding: 0 14px;
    border: none;
    outline: none;
    background: transparent;
    font-family: 'Barlow', sans-serif;
    font-size: 18px;
    font-weight: 500;
    color: var(--input-text);
}

.input-wrap input::placeholder {
    color: #8daec7;
    font-size: 16px;
    letter-spacing: 0.08em;
}

/* ── Opciones ────────────────────────────────────────── */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
}

.remember-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.remember-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--blue);
    cursor: pointer;
}

.link-subtle {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.15s;
}

.link-subtle:hover {
    color: var(--blue);
}

/* ── Botón ───────────────────────────────────────────── */
.mode-toggle {
    padding: 0;
    border: 0;
    background: transparent;
    font-family: inherit;
    cursor: pointer;
}

.form-message {
    margin: 0;
    padding: 10px 12px;
    border-radius: 8px;
    background: #eaf4fd;
    color: var(--input-text);
    font-size: 15px;
    line-height: 1.4;
}

.form-message[data-state="error"] {
    background: #fff0ef;
    color: #9b2525;
}

.btn-login:disabled {
    cursor: wait;
    opacity: 0.72;
}

.btn-login {
    width: 100%;
    height: 52px;
    margin-top: 4px;
    border: none;
    border-radius: 10px;
    background: var(--blue);
    color: #fff;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.06em;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 96, 170, 0.38);
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}

.btn-login:hover {
    background: var(--blue-dark);
    box-shadow: 0 6px 20px rgba(0, 96, 170, 0.48);
}

.btn-login:active {
    transform: translateY(1px);
}

/* ── Footer ──────────────────────────────────────────── */
.login-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 22px;
    font-size: 15px;
    font-weight: 500;
    color: #8daec7;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 520px) {
    .login-card {
        padding: 28px 22px 24px;
        border-radius: 16px;
    }
    .brand__logo { width: 120px; }
    .brand__name { font-size: 38px; }
    .brand__sub  { font-size: 16px; }
    .form-options { flex-wrap: wrap; gap: 8px; }
    .btn-login { height: 48px; font-size: 21px; }
    .login-footer { font-size: 13.5px; }
}