/* ==========================================================================
   CYBERISK LLC — Effet « Login Lamp » (login.php)
   Tirer le cordon de la lampe allume la pièce et fait apparaître la connexion.
   Sans JavaScript : la lampe est masquée et le formulaire reste visible.
   ========================================================================== */

.lamp-login {
    --lamp-on: 0;
    --lamp-light: 0, 245, 212;            /* = --color-accent en RGB */
    gap: 3.5rem;
    background-color: #05080F;
    background-image: radial-gradient(circle at 22% 45%, rgba(var(--lamp-light), calc(var(--lamp-on) * 0.10)), transparent 55%);
    transition: background-color 0.6s ease;
    position: relative;
    overflow: hidden;
}
.lamp-login.is-on {
    --lamp-on: 1;
    background-color: var(--color-bg);
}

/* ---------- Lampe ---------- */
.lamp-login__lamp {
    position: relative;
    flex: 0 0 200px;
    width: 200px;
    height: 320px;
}
.lamp-login:not(.lamp-ready) .lamp-login__lamp { display: none; }

.lamp-login__glow {
    position: absolute;
    top: -40px; left: -120px;
    width: 440px; height: 420px;
    background: radial-gradient(circle 200px at 50% 50%,
        rgba(var(--lamp-light), 0.28), rgba(var(--lamp-light), 0.07) 60%, transparent 100%);
    opacity: var(--lamp-on);
    transition: opacity 0.5s ease;
    pointer-events: none;
}
.lamp-login__shade {
    position: absolute;
    top: 40px; left: 10px;
    width: 180px; height: 90px;
    background: #EEF3F8;
    border-radius: 90px 90px 12px 12px;
    z-index: 2;
    box-shadow: 0 0 calc(var(--lamp-on) * 60px) calc(var(--lamp-on) * 8px) rgba(var(--lamp-light), 0.45);
    transition: box-shadow 0.5s ease;
}
.lamp-login__stem {
    position: absolute;
    top: 125px; left: 92px;
    width: 16px; height: 160px;
    background: #DCE3EC;
    border-radius: 4px;
    z-index: 2;
}
.lamp-login__base {
    position: absolute;
    bottom: 20px; left: 45px;
    width: 110px; height: 18px;
    background: #DCE3EC;
    border-radius: 10px;
    z-index: 2;
}
.lamp-login__cord {
    position: absolute;
    top: 125px; left: 140px;
    width: 2px;
    height: calc(70px + var(--pull, 0px));
    background: #7D8CA3;
    z-index: 3;
    transition: height 0.35s cubic-bezier(0.3, 1.6, 0.5, 1);
}
.lamp-login__cord.is-dragging { transition: none; }

.lamp-login__knob {
    position: absolute;
    left: -9px; bottom: -18px;
    width: 20px; height: 20px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: grab;
    touch-action: none;
    box-shadow: 0 0 calc(4px + var(--lamp-on) * 12px) var(--color-accent);
}
.lamp-login__knob:active { cursor: grabbing; }
.lamp-login__knob:focus-visible { outline: 3px solid #FFFFFF; outline-offset: 3px; }

.lamp-login__hint {
    position: absolute;
    top: 232px; left: 160px;
    font-size: 0.8rem;
    color: #8A97AD;
    white-space: nowrap;
    opacity: calc(1 - var(--lamp-on));
    transition: opacity 0.4s ease;
    pointer-events: none;
}

/* ---------- Carte de connexion ---------- */
.lamp-login .auth-blob-card {
    transition: opacity 0.6s ease 0.15s, transform 0.6s ease 0.15s, visibility 0s;
}
.lamp-login.lamp-ready:not(.is-on) .auth-blob-card {
    opacity: 0;
    visibility: hidden;
    transform: translateY(24px) scale(0.97);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0s linear 0.4s;
}
.lamp-login.is-on .auth-blob-card {
    box-shadow: var(--shadow-elevate), 0 0 60px rgba(var(--lamp-light), 0.12);
}

/* ---------- Responsive ---------- */
/* Grand écran : lampe éteinte = lampe centrée ; elle glisse à gauche quand la carte apparaît */
@media (min-width: 1181px) {
    .lamp-login__lamp {
        transition: transform 0.6s ease;
    }
    .lamp-login.lamp-ready:not(.is-on) .lamp-login__lamp {
        transform: translateX(calc((min(940px, 100vw - 3rem - 200px - 3.5rem) + 3.5rem) / 2));
    }
}

/* Écran moyen / mobile : lampe au-dessus de la carte */
@media (max-width: 1180px) {
    .lamp-login {
        flex-direction: column;
        gap: 0.5rem;
    }
    /* Lampe éteinte : la carte cachée ne prend pas de place, la lampe reste centrée */
    .lamp-login.lamp-ready:not(.is-on) .auth-blob-card {
        position: absolute;
    }
}
@media (max-width: 860px) {
    .lamp-login__lamp {
        flex-basis: 320px;
        transform: scale(0.8);
        transform-origin: top center;
        margin-bottom: -64px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lamp-login,
    .lamp-login *,
    .lamp-login .auth-blob-card { transition: none !important; }
}