/* Notification Button */
/* WHY: Inherits flex centering, cursor, transition from .glass-button above */
.notification-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--glass-bg-strong);
    border: 1.5px solid var(--glass-border-strong);
    box-shadow: 0 2px 8px var(--dark-overlay-strong),
        inset 0 1px 2px var(--glass-border);
}

.notification-btn:hover {
    background: var(--glass-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12),
        inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

.notification-btn img {
    width: 20px;
    opacity: 0.7;
}

/* Copy Icon */
.copy-icon-btn {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    opacity: 0.8;
    padding: 4px;
}

.copy-icon-btn:hover {
    opacity: 1;
}

/* Action Buttons (Grid) */
/* WHY: Inherits flex centering, cursor from .glass-button above */
.action-btn {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    background: var(--gradient-action-btn);
    border: 1px solid var(--glass-border-light);
    box-shadow: 0 8px 16px rgba(100, 50, 150, 0.15);
    color: var(--action-text-color);
    font-weight: 600;
    font-size: 13px;
    backdrop-filter: blur(var(--blur-sm));
    font-size: 13px;
    backdrop-filter: blur(var(--blur-sm));
}

.btn-text {
    line-height: 1;
    display: block;
    margin-top: 2px;
    /* Optical center nudge */
}

/* Scan Button (Wrappers) */
.scan-btn-wrapper {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-full);
    background: var(--gradient-scan-wrapper);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.4),
        inset 0 0 18px rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.scan-btn {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(100, 100, 255, 0.5));
}

/* Dock Buttons */
/* WHY: Inherits flex centering, cursor, transition from .glass-button above */
.dock-btn {
    width: 60px;
    height: 60px;
    background: var(--gradient-dock-btn);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #4a1d75;
    backdrop-filter: blur(8px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3),
        0 4px 12px rgba(0, 0, 0, 0.1),
        inset 0 0 15px rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3),
        0 4px 12px rgba(0, 0, 0, 0.1),
        inset 0 0 15px rgba(255, 255, 255, 0.3);
    position: relative;
}

.dock-btn::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
}

.dock-btn:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.4));
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.4),
        0 6px 16px rgba(0, 0, 0, 0.12),
        inset 0 0 20px rgba(255, 255, 255, 0.4);
}

/* Icon Buttons */
.utility-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    filter: drop-shadow(0 0 4px rgba(100, 100, 255, 0.35));
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    cursor: pointer;
    padding: 4px;
}

.icon-btn:hover {
    color: var(--text-primary);
}

/* Close Button */
.close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    color: var(--text-primary);
    font-size: 14px;

    /* Animation (Refined) */
    transition: transform var(--transition-base) var(--easing-spring), opacity var(--transition-base);
}

.close-btn:hover {
    transform: scale(1.1);
    /* Subtle lift */
    background: rgba(0, 0, 0, 0.05);
}

/* Save Button */
.save-btn {
    background: var(--eth-color);
    color: white;
    padding: 6px 16px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(98, 126, 234, 0.3);
}

.save-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(98, 126, 234, 0.4);
}

/* Skip Button */
.skip-btn-corner {
    position: absolute;
    bottom: 32px;
    right: 32px;
    background: var(--skip-btn-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 20px;
    color: var(--skip-btn-color);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    backdrop-filter: blur(4px);
}

.skip-btn-corner:hover {
    background: var(--skip-btn-hover-bg);
    color: var(--skip-btn-hover-color);
}

/* Feature Locked (Gating) */
.feature-locked {
    /* Visuals unchanged per strict rule */
    /* opacity: 0.5; REMOVED */
    /* filter: grayscale(0.8) blur(1px); REMOVED */
    transition: none;
    cursor: pointer;
    /* Invite interaction */
}

.feature-locked:hover {
    /* Force no transform on locked hover if strict */
    transform: none !important;
    box-shadow: none !important;
    filter: none !important;
}

/* Dark Mode actions handled by variables.css */