/* Pantallas de acceso: login, recuperar y restablecer contraseña */
:root {
    --brand: #0B3761;
    --brand-dim: #072746;
    --accent: #F4A417;
    --accent-dim: #D68A06;
    --glass-bg: rgba(7, 31, 56, 0.72);
    --glass-border: rgba(255, 255, 255, 0.12);
    --input-border: rgba(255, 255, 255, 0.22);
    --error: #ff8a8a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(160deg, rgba(11,55,97,0.55), rgba(7,39,70,0.85)),
                url('../img/fondo_login.webp') no-repeat center center fixed;
    background-size: cover;
    padding: 24px 16px;
}
.login-container {
    width: 100%; max-width: 410px; padding: 40px 34px 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-radius: 18px; border: 1px solid var(--glass-border);
    box-shadow: 0 10px 50px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.06);
    color: #fff; animation: fadeIn .6s ease-out;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.login-header { text-align: center; margin-bottom: 28px; }
.brand-logo {
    background: #fff; border-radius: 14px; padding: 12px 20px; display: inline-block;
    margin-bottom: 18px; box-shadow: 0 4px 22px rgba(244,164,23,0.25);
}
.brand-logo img { height: 58px; width: auto; max-width: 100%; display: block; }
.login-header h1 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.6rem; letter-spacing: -0.3px; margin-bottom: 6px; }
.login-header p { font-size: .875rem; color: rgba(255,255,255,.6); }
.input-group { position: relative; margin-bottom: 22px; }
.input-group input {
    width: 100%; padding: 13px 14px; font-size: 1rem; color: #fff;
    background: rgba(255,255,255,.05); border: 1px solid var(--input-border);
    border-radius: 10px; outline: none; transition: all .3s ease; font-family: inherit;
}
.input-group label {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    color: rgba(255,255,255,.62); pointer-events: none; transition: .3s ease all; padding: 0 4px;
}
.input-group input:focus, .input-group input:not(:placeholder-shown) {
    border-color: var(--accent); background: rgba(255,255,255,.08); box-shadow: 0 0 0 2px rgba(244,164,23,.25);
}
.input-group input:focus + label, .input-group input:not(:placeholder-shown) + label {
    top: -10px; left: 10px; font-size: .78rem; color: var(--accent);
    background: #0a2a4b; border-radius: 4px;
}
.input-group.has-icon input { padding-right: 44px; }
.password-toggle {
    position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: rgba(255,255,255,.55); cursor: pointer; font-size: 1rem;
}
.password-toggle:hover, .password-toggle:focus-visible { color: var(--accent); outline: none; }
.btn-submit {
    width: 100%; padding: 13px; border: none; border-radius: 10px; cursor: pointer;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim)); color: #1c1402;
    font-size: 1rem; font-weight: 700; font-family: inherit; letter-spacing: .3px;
    box-shadow: 0 4px 20px rgba(244,164,23,.3); transition: all .3s ease; margin-top: 6px;
}
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(244,164,23,.45); }
.btn-submit:disabled { opacity: .75; cursor: wait; transform: none; }
.message {
    text-align: center; margin-bottom: 20px; font-size: .875rem; padding: 10px 14px; border-radius: 8px;
    background: rgba(255,77,77,.12); color: var(--error); border: 1px solid rgba(255,77,77,.3);
}
.help { text-align: center; margin-top: 20px; font-size: .8rem; color: rgba(255,255,255,.5); line-height: 1.6; }
.help a { color: rgba(255,255,255,.75); text-decoration: none; }
.help a:hover { color: var(--accent); }
.divider { text-align: center; margin-top: 14px; font-size: .74rem; color: rgba(255,255,255,.3); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
@media (max-width: 480px) {
    .login-container { padding: 30px 20px 24px; }
    .login-header h1 { font-size: 1.4rem; }
    .input-group input { font-size: 16px; }
}

.message.success { background: rgba(77,255,136,.12); color: #7dffab; border-color: rgba(77,255,136,.3); }
.message.info { background: rgba(244,164,23,.12); color: #ffd27a; border-color: rgba(244,164,23,.35); }
.link-sec { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,.6); font-size: .85rem; text-decoration: none; transition: color .2s; }
.link-sec:hover, .link-sec:focus-visible { color: var(--accent); outline: none; }
.links { text-align: center; margin-top: 18px; }
.intro { font-size: .88rem; color: rgba(255,255,255,.7); text-align: center; margin: -10px 0 22px; line-height: 1.55; }
.reglas { list-style: none; font-size: .8rem; color: rgba(255,255,255,.55); margin: -8px 0 18px; padding: 0; display: grid; gap: 4px; }
.reglas li::before { content: "\f111"; font-family: "Font Awesome 6 Free"; font-weight: 400; margin-right: 8px; font-size: .7rem; }
.reglas li.ok { color: #7dffab; }
.reglas li.ok::before { content: "\f058"; font-weight: 900; }
.fuerza { height: 5px; border-radius: 99px; background: rgba(255,255,255,.12); margin: -12px 0 12px; overflow: hidden; }
.fuerza span { display: block; height: 100%; width: 0; transition: width .25s, background .25s; }
.fuerza span.debil { background: #ff8a8a; }
.fuerza span.media { background: var(--accent); }
.fuerza span.fuerte { background: #7dffab; }