/* -*- coding: utf-8 -*- */
/* Login maestro — Glass Aurora */

.login-stage {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
}

.login-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 440px;
    padding: 44px 38px 36px;
    box-shadow: var(--shadow-lg);
    animation: card-in 0.7s var(--t-slow) both;
}
@keyframes card-in {
    from { opacity: 0; transform: translateY(14px) scale(0.985); }
    to   { opacity: 1; transform: translateY(0)    scale(1); }
}

/* sheen sutil en el borde superior de la card */
.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 16%; right: 16%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
    opacity: 0.6;
}

/* === Brand === */
.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}
.brand-mark {
    width: 76px;
    height: 76px;
    display: grid;
    place-items: center;
}
.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: screen;
    filter: drop-shadow(0 0 22px rgba(99, 102, 241, 0.45))
            drop-shadow(0 0 36px rgba(34, 211, 238, 0.22));
}
.brand-text {
    text-align: center;
    line-height: 1.2;
}
.brand-title {
    font-size: 1.05rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    /* gradiente con leve animación sheen */
    background: linear-gradient(
        100deg,
        #C7D2FE 0%, #FFFFFF 25%, var(--c-cyan) 50%, #FFFFFF 75%, #C7D2FE 100%
    );
    background-size: 220% 100%;
    -webkit-background-clip: text;
            background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: brand-shine 8s linear infinite;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.4))
            drop-shadow(0 0 20px rgba(34, 211, 238, 0.18));
}
@keyframes brand-shine {
    0%   { background-position: 0% 50%; }
    100% { background-position: 220% 50%; }
}
.brand-tag {
    margin-top: 6px;
    font-family: var(--font-texto);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--c-cyan);
    text-transform: uppercase;
    opacity: 0.85;
}

/* === Header === */
.login-header {
    text-align: center;
    margin-bottom: 26px;
}
.login-header h1 {
    font-size: 1.45rem;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.login-header p {
    color: var(--text-muted);
    font-size: 0.93rem;
}

/* === Form === */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.field-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.input-group {
    position: relative;
}
.input-group input {
    width: 100%;
    padding: 14px 48px 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-strong);
    font-size: 0.98rem;
    letter-spacing: 0.02em;
    transition: border-color var(--t-base), background var(--t-base), box-shadow var(--t-base);
}
.input-group input::placeholder { color: var(--text-faded); }
.input-group input:hover {
    background: var(--bg-input-hover);
    border-color: var(--border-strong);
}
.input-group input:focus {
    outline: none;
    border-color: var(--c-cyan);
    background: var(--bg-input-hover);
    box-shadow: 0 0 0 4px var(--c-cyan-soft);
}

.toggle-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--t-fast);
}
.toggle-btn:hover { background: var(--glass-strong); }
.toggle-btn svg {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
}

.error-message {
    background: var(--danger-soft);
    border: 1px solid rgba(248, 113, 113, 0.28);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    text-align: center;
    animation: shake 0.4s ease;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

.submit-btn {
    width: 100%;
    padding: 14px 18px;
    background: var(--grad-primary);
    border: none;
    border-radius: var(--radius-md);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: transform var(--t-fast), box-shadow var(--t-base), filter var(--t-base);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}
.submit-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
    transform: translateX(-100%);
    transition: transform 0.7s ease;
}
.submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 38px -8px rgba(99, 102, 241, 0.7);
}
.submit-btn:hover::before { transform: translateX(100%); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.btn-loader {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.footer-note {
    margin-top: 24px;
    text-align: center;
    font-size: 0.76rem;
    color: var(--text-faded);
    letter-spacing: 0.06em;
}

/* === Estado bloqueado === */
.blocked-panel {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: var(--danger-soft);
    border: 1px solid rgba(248, 113, 113, 0.28);
    color: var(--danger);
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
}
.blocked-panel svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin-top: 1px;
}
.blocked-panel strong { font-weight: 700; }

@media (max-width: 480px) {
    .login-card { padding: 34px 22px 28px; }
    .login-header h1 { font-size: 1.22rem; }
}