/* ── Login / Logout Overlay ──────────────────────────────────────────────────
   Shared across all pages that include the login or logout overlay.
   Depends on homepage.css for CSS variables (--cyan, --hud, --muted, --text).
   ─────────────────────────────────────────────────────────────────────────── */

.lo-backdrop {
    position: fixed;
    inset: 0;
    z-index: 9800;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lo-backdrop.open {
    display: flex;
}

.lo-panel {
    position: relative;
    width: 100%;
    max-width: 380px;
    margin: 1rem;
    background: rgba(6,6,20,0.98);
    border: 1px solid rgba(0,240,255,0.28);
    border-top: 3px solid var(--cyan, #00f0ff);
    box-shadow: 0 0 40px rgba(0,240,255,0.1), 0 24px 60px rgba(0,0,0,0.9);
    padding: 2rem 2rem 1.75rem;
}

.lo-close {
    position: absolute;
    top: 0.65rem;
    right: 0.85rem;
    background: none;
    border: none;
    color: var(--muted, #5a6080);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.1rem 0.3rem;
    transition: color 0.15s;
}

.lo-close:hover { color: var(--cyan, #00f0ff); }

.lo-header {
    text-align: center;
    margin-bottom: 1.6rem;
}

.lo-logo {
    font-family: var(--hud);
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--cyan, #00f0ff);
    letter-spacing: 0.1em;
    text-shadow: 0 0 14px var(--cyan, #00f0ff);
    margin-bottom: 0.3rem;
}

.lo-subtitle {
    font-family: var(--hud);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--muted, #5a6080);
}

/* Social buttons */
.lo-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.85rem 1rem;
    border: none;
    cursor: pointer;
    font-family: var(--hud);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    transition: filter 0.15s, transform 0.12s;
}

.lo-social-btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.lo-social-btn:active { transform: translateY(0); }
.lo-social-btn:disabled { opacity: 0.5; cursor: default; transform: none; }

.lo-fb { background: #1877f2; color: #fff; }

/* Divider */
.lo-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.1rem 0;
    font-family: var(--hud);
    font-size: 0.55rem;
    letter-spacing: 0.16em;
    color: var(--muted, #5a6080);
}

.lo-divider::before,
.lo-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.09);
}

/* Fields */
.lo-field { margin-bottom: 0.8rem; }

.lo-input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    background: rgba(0,20,40,0.6);
    border: 1px solid rgba(0,240,255,0.38);
    color: var(--text, #c8d0e0);
    font-family: var(--hud);
    font-size: 0.62rem;
    letter-spacing: 0.05em;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.lo-input::placeholder { color: rgba(90,144,180,0.7); }

.lo-input:focus {
    border-color: rgba(0,240,255,0.7);
    box-shadow: 0 0 14px rgba(0,240,255,0.12);
}

/* Autofill override */
.lo-input:-webkit-autofill,
.lo-input:-webkit-autofill:hover,
.lo-input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text, #c8d0e0);
    -webkit-box-shadow: inset 0 0 0 1000px rgba(0,4,14,1), 0 0 12px rgba(0,240,255,0.07);
    box-shadow: inset 0 0 0 1000px rgba(0,4,14,1), 0 0 12px rgba(0,240,255,0.07);
    border-color: rgba(0,240,255,0.5);
}

/* Submit */
.lo-submit {
    width: 100%;
    padding: 0.8rem;
    background: transparent;
    border: 1px solid var(--cyan, #00f0ff);
    color: var(--cyan, #00f0ff);
    font-family: var(--hud);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    cursor: pointer;
    transition: background 0.18s, box-shadow 0.18s;
    margin-top: 0.3rem;
}

.lo-submit:hover {
    background: rgba(0,240,255,0.1);
    box-shadow: 0 0 20px rgba(0,240,255,0.18);
}

/* Register link */
.lo-register-link {
    text-align: center;
    margin-top: 1.1rem;
    font-family: var(--hud);
    font-size: 0.55rem;
    letter-spacing: 0.08em;
    color: var(--muted, #5a6080);
}

.lo-register-link a {
    color: var(--cyan, #00f0ff);
    text-decoration: none;
}

.lo-register-link a:hover { text-decoration: underline; }

/* Error */
.lo-error {
    display: none;
    font-family: var(--hud);
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    color: #ff4466;
    text-align: center;
    margin-bottom: 0.75rem;
}

.lo-error.visible { display: block; }

/* Hide register/signin link while spinner is active */
#lo-form-area:has(.lo-loading.visible) .lo-register-link,
#lo-signup-form-area:has(.lo-loading.visible) .lo-register-link { display: none; }

/* Remember me */
.lo-remember {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0.6rem 0 0.2rem;
    font-family: var(--hud);
    font-size: 0.52rem;
    letter-spacing: 0.1em;
    color: var(--muted, #5a6080);
    cursor: pointer;
    user-select: none;
}

.lo-remember input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    border: 1px solid rgba(0,240,255,0.35);
    background: rgba(0,0,0,0.45);
    cursor: pointer;
    position: relative;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.lo-remember input[type="checkbox"]:hover {
    border-color: rgba(0,240,255,0.7);
    box-shadow: 0 0 8px rgba(0,240,255,0.18);
}

.lo-remember input[type="checkbox"]:checked {
    background: rgba(0,240,255,0.12);
    border-color: var(--cyan, #00f0ff);
    box-shadow: 0 0 10px rgba(0,240,255,0.25);
}

.lo-remember input[type="checkbox"]::after {
    content: '';
    position: absolute;
    display: none;
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
    border: 2px solid var(--cyan, #00f0ff);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.lo-remember input[type="checkbox"]:checked::after {
    display: block;
}

/* Animated checkmark (login success + logout) */
.lo-success {
    text-align: center;
    padding: 0.5rem 0 0.25rem;
}

.lo-check-wrap {
    width: 88px;
    height: 88px;
    margin: 0 auto 1rem;
}

.lo-check-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.lo-check-circle {
    stroke-dasharray: 226;
    stroke-dashoffset: 226;
    animation: lo-draw-circle 0.6s ease forwards 0.1s;
}

.lo-check-tick {
    stroke-dasharray: 60;
    stroke-dashoffset: 60;
    animation: lo-draw-tick 0.4s ease forwards 0.75s;
}

/* Power-off icon for logout overlay */
.lo-power-line {
    stroke-dasharray: 20;
    stroke-dashoffset: 20;
    animation: lo-draw-tick 0.35s ease forwards 0.75s;
}

.lo-power-arc {
    stroke-dasharray: 95;
    stroke-dashoffset: 95;
    animation: lo-draw-circle 0.55s ease forwards 0.9s;
}

@keyframes lo-draw-circle { to { stroke-dashoffset: 0; } }
@keyframes lo-draw-tick   { to { stroke-dashoffset: 0; } }

/* Signing-in spinner */
.lo-loading {
    display: none;
    text-align: center;
    padding: 1.5rem 0 1rem;
}
.lo-loading.visible { display: block; }

.lo-spinner {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    border: 3px solid rgba(0,240,255,0.15);
    border-top-color: var(--cyan, #00f0ff);
    border-radius: 50%;
    animation: lo-spin 0.75s linear infinite;
    box-shadow: 0 0 12px rgba(0,240,255,0.2);
}

@keyframes lo-spin { to { transform: rotate(360deg); } }

.lo-loading-label {
    font-family: var(--hud);
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    color: var(--cyan, #00f0ff);
    opacity: 0.75;
}

.lo-success-title {
    font-family: var(--hud);
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    color: var(--cyan, #00f0ff);
    text-shadow: 0 0 18px rgba(0,240,255,0.5);
}

.lo-success-name {
    font-family: var(--hud);
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    color: rgba(0,255,136,0.85);
    margin-top: 0.45rem;
    min-height: 1.2em;
}

.lo-logout-msg {
    font-family: var(--hud);
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    color: var(--muted, #5a6080);
    margin-top: 0.45rem;
}

/* ── Logout overlay — magenta colour scheme ── */
#lo-logout-backdrop .lo-panel {
    border-top-color: #ff00cc;
    box-shadow: 0 0 40px rgba(255,0,204,0.12), 0 24px 60px rgba(0,0,0,0.9);
}

#lo-logout-backdrop .lo-logo {
    color: #ff00cc;
    text-shadow: 0 0 14px #ff00cc;
}

#lo-logout-backdrop .lo-subtitle {
    color: rgba(255,0,204,0.5);
}

#lo-logout-backdrop .lo-check-circle { stroke: #ff00cc; }
#lo-logout-backdrop .lo-power-line   { stroke: #ff00cc; }
#lo-logout-backdrop .lo-power-arc    { stroke: #ff00cc; }

#lo-logout-backdrop .lo-success-title {
    color: #ff00cc;
    text-shadow: 0 0 18px rgba(255,0,204,0.5);
}

#lo-logout-backdrop .lo-logout-msg {
    color: rgba(255,0,204,0.65);
}

#lo-logout-backdrop .lo-close:hover {
    color: #ff00cc;
}

/* ── Signup overlay — green accent ── */
#lo-signup-backdrop .lo-panel {
    border-top-color: #00ff88;
    box-shadow: 0 0 40px rgba(0,255,136,0.1), 0 24px 60px rgba(0,0,0,0.9);
}

#lo-signup-backdrop .lo-logo {
    color: #00ff88;
    text-shadow: 0 0 14px #00ff88;
}

#lo-signup-backdrop .lo-subtitle {
    color: rgba(0,255,136,0.5);
}

#lo-signup-backdrop .lo-close:hover { color: #00ff88; }

.lo-submit-green {
    border-color: #00ff88;
    color: #00ff88;
}

.lo-submit-green:hover {
    background: rgba(0,255,136,0.1);
    box-shadow: 0 0 20px rgba(0,255,136,0.18);
}

.lo-name-row {
    display: flex;
    gap: 0.6rem;
}

.lo-name-row .lo-field { flex: 1; }