/* ================================================
   QUICK-ADD FAB + FOCUS/ZEN MODE
   ProductiveApp v1.0
   Premium floating action button & zen mode overlay
   ================================================ */

/* ==========================================
   QUICK-ADD FAB - Main Button
   ========================================== */
.quick-add-fab {
    position: fixed;
    bottom: 90px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light, var(--accent)) 100%);
    color: #fff;
    cursor: pointer;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.3),
        0 0 20px var(--accent-glow, rgba(99, 102, 241, 0.3));
    transition:
        transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

.quick-add-fab svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
}

/* Hover */
.quick-add-fab:hover {
    transform: scale(1.1);
    box-shadow:
        0 6px 24px rgba(0, 0, 0, 0.4),
        0 0 32px var(--accent-glow, rgba(99, 102, 241, 0.5));
}

/* Active/pressed */
.quick-add-fab:active {
    transform: scale(0.95);
}

/* Open state - rotate + to x */
.quick-add-fab.open svg {
    transform: rotate(45deg);
}

/* Subtle pulse when closed */
@keyframes quickAddPulse {
    0%, 100% {
        box-shadow:
            0 4px 16px rgba(0, 0, 0, 0.3),
            0 0 20px var(--accent-glow, rgba(99, 102, 241, 0.3));
    }
    50% {
        box-shadow:
            0 4px 16px rgba(0, 0, 0, 0.3),
            0 0 28px var(--accent-glow, rgba(99, 102, 241, 0.45));
    }
}

.quick-add-fab:not(.open) {
    animation: quickAddPulse 3s ease-in-out infinite;
}

/* ==========================================
   QUICK-ADD MENU - Radial Items
   ========================================== */
.quick-add-menu {
    position: fixed;
    bottom: 90px;
    right: 24px;
    z-index: 899;
    pointer-events: none;
}

.quick-add-menu-item {
    position: absolute;
    bottom: 8px;
    right: 6px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: scale(0.4) translateY(0);
    pointer-events: none;
    transition:
        opacity 0.25s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
        background 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease;
    outline: none;
    font-family: inherit;
}

.quick-add-menu-item svg {
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.quick-add-menu-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.4),
        0 0 12px var(--accent-glow, rgba(99, 102, 241, 0.25));
    transform: scale(1.1) translateY(var(--item-offset)) !important;
}

.quick-add-menu-item:active {
    transform: scale(0.95) translateY(var(--item-offset)) !important;
}

/* Staggered fan-out positions (upward from FAB) */
.quick-add-menu-item:nth-child(1) { --item-offset: -70px; }
.quick-add-menu-item:nth-child(2) { --item-offset: -126px; }
.quick-add-menu-item:nth-child(3) { --item-offset: -182px; }
.quick-add-menu-item:nth-child(4) { --item-offset: -238px; }

/* Open state - items visible with staggered animation */
.quick-add-menu.open .quick-add-menu-item {
    opacity: 1;
    pointer-events: auto;
}

.quick-add-menu.open .quick-add-menu-item:nth-child(1) {
    transform: scale(1) translateY(-70px);
    transition-delay: 0.03s;
}

.quick-add-menu.open .quick-add-menu-item:nth-child(2) {
    transform: scale(1) translateY(-126px);
    transition-delay: 0.06s;
}

.quick-add-menu.open .quick-add-menu-item:nth-child(3) {
    transform: scale(1) translateY(-182px);
    transition-delay: 0.09s;
}

.quick-add-menu.open .quick-add-menu-item:nth-child(4) {
    transform: scale(1) translateY(-238px);
    transition-delay: 0.12s;
}

/* Close animation - reverse stagger */
.quick-add-menu:not(.open) .quick-add-menu-item:nth-child(4) {
    transition-delay: 0s;
}
.quick-add-menu:not(.open) .quick-add-menu-item:nth-child(3) {
    transition-delay: 0.03s;
}
.quick-add-menu:not(.open) .quick-add-menu-item:nth-child(2) {
    transition-delay: 0.06s;
}
.quick-add-menu:not(.open) .quick-add-menu-item:nth-child(1) {
    transition-delay: 0.09s;
}

/* ==========================================
   TOOLTIP - Label to the left
   ========================================== */
.quick-add-tooltip {
    position: absolute;
    right: 54px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
    transform: translateY(-50%) translateX(8px);
}

.quick-add-menu-item:hover .quick-add-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* ==========================================
   BACKDROP (optional subtle overlay)
   ========================================== */
.quick-add-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.15);
    z-index: 898;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.quick-add-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================
   HIDE WHEN NOT LOGGED IN
   ========================================== */
body:not(.logged-in) .quick-add-fab,
body:not(.logged-in) .quick-add-menu,
body:not(.logged-in) .quick-add-backdrop {
    display: none !important;
}

/* ==========================================
   MOBILE RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
    .quick-add-fab {
        bottom: 80px;
        right: 16px;
        width: 48px;
        height: 48px;
    }

    .quick-add-fab svg {
        width: 20px;
        height: 20px;
    }

    .quick-add-menu {
        bottom: 80px;
        right: 16px;
    }

    .quick-add-menu-item {
        width: 40px;
        height: 40px;
    }

    .quick-add-menu-item svg {
        width: 18px;
        height: 18px;
    }

    /* Tighter spacing on mobile */
    .quick-add-menu-item:nth-child(1) { --item-offset: -60px; }
    .quick-add-menu-item:nth-child(2) { --item-offset: -110px; }
    .quick-add-menu-item:nth-child(3) { --item-offset: -160px; }
    .quick-add-menu-item:nth-child(4) { --item-offset: -210px; }

    .quick-add-menu.open .quick-add-menu-item:nth-child(1) {
        transform: scale(1) translateY(-60px);
    }
    .quick-add-menu.open .quick-add-menu-item:nth-child(2) {
        transform: scale(1) translateY(-110px);
    }
    .quick-add-menu.open .quick-add-menu-item:nth-child(3) {
        transform: scale(1) translateY(-160px);
    }
    .quick-add-menu.open .quick-add-menu-item:nth-child(4) {
        transform: scale(1) translateY(-210px);
    }

    .quick-add-tooltip {
        display: none;
    }
}

/* ==========================================
   REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    .quick-add-fab {
        animation: none !important;
    }

    .quick-add-fab svg,
    .quick-add-menu-item {
        transition: none !important;
    }
}


/* ================================================
   FOCUS / ZEN MODE
   ================================================ */

/* ==========================================
   ZEN MODE - Body class toggles
   ========================================== */

/* Hide sidebar */
body.zen-mode .sidebar {
    transform: translateX(-100%);
    pointer-events: none;
}

/* Hide animation controls FAB + panel */
body.zen-mode .anim-ctrl-fab,
body.zen-mode .anim-ctrl-panel {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: scale(0.5) !important;
}

/* Hide chatbot FAB + panel */
body.zen-mode .chatbot-fab,
body.zen-mode .chatbot-panel,
body.zen-mode #chatbot-toggle,
body.zen-mode #chatbot-window {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: scale(0.5) !important;
}

/* Hide quick-add FAB + menu */
body.zen-mode .quick-add-fab,
body.zen-mode .quick-add-menu,
body.zen-mode .quick-add-backdrop {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: scale(0.5) !important;
}

/* Maximize main content */
body.zen-mode .main-content {
    margin-left: 0 !important;
    max-width: 100% !important;
    transition: margin-left 0.4s ease;
}

/* Smooth transition for sidebar hiding */
body.zen-mode .sidebar {
    transition: transform 0.4s ease;
}

/* Ensure sidebar returns smoothly */
body:not(.zen-mode) .sidebar {
    transition: transform 0.4s ease, width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   ZEN MODE - Top Indicator Bar
   ========================================== */
.zen-mode-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 36px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light, var(--accent)) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
    z-index: 10000;
    opacity: 0;
    transform: translateY(-100%);
    transition:
        opacity 0.4s ease,
        transform 0.4s ease;
    pointer-events: none;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Visible when zen mode is active */
body.zen-mode .zen-mode-bar {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.zen-mode-bar-label {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.9;
}

.zen-mode-bar-label svg {
    width: 14px;
    height: 14px;
}

.zen-mode-bar-separator {
    width: 1px;
    height: 16px;
    background: rgba(255, 255, 255, 0.3);
}

.zen-mode-bar-hint {
    opacity: 0.7;
    font-size: 11px;
}

.zen-mode-bar-exit {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease;
    font-family: inherit;
    margin-left: 4px;
}

.zen-mode-bar-exit:hover {
    background: rgba(255, 255, 255, 0.35);
}

.zen-mode-bar-exit:active {
    background: rgba(255, 255, 255, 0.15);
}

/* Push content down when zen bar is visible */
body.zen-mode .main-content {
    padding-top: 36px;
}

/* ==========================================
   ZEN MODE - Mobile
   ========================================== */
@media (max-width: 768px) {
    .zen-mode-bar {
        height: 32px;
        font-size: 11px;
    }

    .zen-mode-bar-hint {
        display: none;
    }

    .zen-mode-bar-separator {
        display: none;
    }

    body.zen-mode .main-content {
        padding-top: 32px;
    }
}

/* ==========================================
   ZEN MODE - Reduced motion
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    .zen-mode-bar {
        transition: none !important;
    }

    body.zen-mode .sidebar {
        transition: none !important;
    }

    body.zen-mode .main-content {
        transition: none !important;
    }

    body.zen-mode .anim-ctrl-fab,
    body.zen-mode .chatbot-fab,
    body.zen-mode .quick-add-fab {
        transition: none !important;
    }
}