/* ============================================================
   ADMIN LOGIN — Mundo Gates
   Gradiente blanco → negro · card central con borde rojo
   ============================================================ */
:root {
    --mg-red:        #C8102E;
    --mg-red-dark:   #a50d25;
    --mg-black:      #0a0a0a;
    --mg-text:       #1a1a1a;
    --mg-muted:      #6a6a6a;
    --mg-border:     #e5e5e5;
    --mg-surface:    #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100vh; }

/* El atributo HTML `hidden` debe vencer a cualquier display de clase */
[hidden] { display: none !important; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--mg-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    /* Gradiente unificado blanco → negro */
    background:
        radial-gradient(circle at 20% 10%, rgba(255,255,255,.9), transparent 55%),
        linear-gradient(135deg, #fafafa 0%, #d0d0d0 45%, #2a2a2a 100%);
    background-attachment: fixed;
    background-repeat: no-repeat;
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
img { max-width: 100%; display: block; }

/* ─── Card central ────────────────────────────────────────── */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--mg-surface);
    border: 2px solid var(--mg-red);
    border-radius: 16px;
    padding: 2.5rem 2.25rem 2rem;
    box-shadow:
        0 24px 60px rgba(0, 0, 0, .35),
        0 0 0 1px rgba(200, 16, 46, .15) inset;
    position: relative;
    animation: fadeUp .45s ease both;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1.6rem;
}
.login-logo img { height: 54px; width: auto; }

.login-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--mg-black);
    text-align: center;
    margin-bottom: .35rem;
    letter-spacing: -.01em;
}
.login-subtitle {
    color: var(--mg-muted);
    font-size: .87rem;
    text-align: center;
    margin-bottom: 1.8rem;
}

/* Alert */
.login-alert {
    display: flex;
    align-items: center;
    gap: .55rem;
    background: rgba(200, 16, 46, .07);
    border: 1px solid rgba(200, 16, 46, .25);
    color: var(--mg-red);
    font-size: .82rem;
    padding: .65rem .85rem;
    border-radius: 9px;
    margin-bottom: 1.2rem;
}

/* Form */
.form-group { margin-bottom: 1.1rem; }
.form-label {
    display: block;
    font-size: .7rem;
    font-weight: 700;
    color: var(--mg-muted);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: .4rem;
}

.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--mg-muted);
    font-size: .88rem;
    pointer-events: none;
}
.form-input {
    width: 100%;
    background: #fafafa;
    border: 1px solid var(--mg-border);
    border-radius: 10px;
    color: var(--mg-text);
    padding: .8rem 1rem .8rem 2.7rem;
    font-size: .9rem;
    font-family: inherit;
    outline: none;
    transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.form-input::placeholder { color: #b8b8b8; }
.form-input:focus {
    border-color: var(--mg-red);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(200, 16, 46, .12);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    color: var(--mg-muted);
    font-size: .88rem;
    transition: color .2s ease;
}
.password-toggle:hover { color: var(--mg-red); }

/* Submit */
.btn-submit {
    width: 100%;
    margin-top: .5rem;
    padding: .9rem;
    background: var(--mg-black);
    color: #fff;
    border-radius: 10px;
    font-size: .9rem;
    font-weight: 700;
    letter-spacing: .03em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    transition: background .2s ease, transform .2s ease;
}
.btn-submit:hover { background: var(--mg-red); transform: translateY(-1px); }
.btn-submit:disabled { opacity: .65; cursor: wait; }

.login-foot {
    margin-top: 1.4rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--mg-border);
    text-align: center;
    color: var(--mg-muted);
    font-size: .76rem;
    letter-spacing: .02em;
}

/* Alert variant: success (verde) */
.login-alert.ok {
    background: rgba(22, 163, 74, .08);
    border-color: rgba(22, 163, 74, .3);
    color: #16a34a;
}

/* Forgot link debajo del submit */
.login-forgot-link {
    display: block;
    margin-top: .9rem;
    text-align: center;
    font-size: .82rem;
    color: var(--mg-muted);
    transition: color .2s ease;
}
.login-forgot-link:hover { color: var(--mg-red); }

/* Reglas de contraseña en vivo (página de reset) */
.pass-rules {
    list-style: none;
    margin: .55rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .25rem .8rem;
}
.pass-rules li {
    font-size: .72rem;
    color: var(--mg-muted);
    display: flex; align-items: center; gap: .4rem;
    transition: color .2s ease;
}
.pass-rules li i { font-size: .35rem; line-height: 1; }
.pass-rules li code {
    background: rgba(200, 16, 46, .08);
    color: var(--mg-red);
    padding: 0 .25rem;
    border-radius: 3px;
    font-size: .68rem;
}
.pass-rules li.ok { color: #16a34a; }
.pass-rules li.ok i { color: #16a34a; }

/* ─── Modal overlay ────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn .25s ease both;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
    position: relative;
    background: var(--mg-surface);
    border: 2px solid var(--mg-red);
    border-radius: 16px;
    padding: 2.2rem 2rem 1.8rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
    animation: fadeUp .35s ease both;
}
.modal-close {
    position: absolute;
    top: 12px; right: 12px;
    width: 32px; height: 32px;
    border-radius: 8px;
    color: var(--mg-muted);
    display: flex; align-items: center; justify-content: center;
    transition: color .2s, background .2s;
    font-size: .92rem;
}
.modal-close:hover { color: var(--mg-red); background: rgba(200, 16, 46, .08); }

.modal-icon {
    width: 56px; height: 56px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: rgba(200, 16, 46, .1);
    color: var(--mg-red);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem;
}
.modal-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--mg-black);
    text-align: center;
    margin-bottom: .35rem;
    letter-spacing: -.01em;
}
.modal-subtitle {
    color: var(--mg-muted);
    font-size: .85rem;
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.55;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card { padding: 1.8rem 1.4rem 1.5rem; }
    .login-logo img { height: 44px; }
    .pass-rules { grid-template-columns: 1fr; }
    .modal-card { padding: 1.7rem 1.3rem 1.5rem; }
}