/**
 * Picture-in-Picture Styles
 * 
 * Styles for PiP-related UI elements in the main page:
 * - Floating PiP trigger button
 * - Auto-prompt (shown on tab blur)
 * - Unsupported browser modal
 * - Error toasts
 */

/* ============================================
   Floating PiP Launcher (Task Pages)
   ============================================ */

#pip-floating-trigger {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 9997;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    transition: right 0.3s ease, opacity 0.2s ease;
}

#pip-floating-trigger.hidden {
    display: none;
}

#pip-floating-trigger .pip-floating-main {
    border: none;
    border-radius: 999px;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #0ea5a2 0%, #4f46e5 100%);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.22), 0 3px 10px rgba(14, 165, 162, 0.25);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

#pip-floating-trigger .pip-floating-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.26), 0 4px 14px rgba(14, 165, 162, 0.28);
}

#pip-floating-trigger .pip-floating-main:active {
    transform: translateY(0);
}

#pip-floating-trigger .pip-floating-main i {
    font-size: 18px;
}

#pip-floating-trigger .pip-floating-actions {
    display: none;
    flex-direction: column;
    gap: 8px;
    align-items: flex-end;
}

#pip-floating-trigger.active .pip-floating-actions {
    display: flex;
}

#pip-floating-trigger .pip-floating-action {
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(255, 255, 255, 0.96);
    color: #334155;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.14);
    backdrop-filter: blur(8px);
}

#pip-floating-trigger .pip-floating-action:hover {
    background: #ffffff;
    border-color: rgba(14, 165, 162, 0.45);
    color: #0f766e;
}

#pip-floating-trigger .pip-floating-action.danger:hover {
    border-color: rgba(239, 68, 68, 0.35);
    color: #b91c1c;
}

#pip-floating-trigger.active .pip-floating-main {
    background: linear-gradient(135deg, #059669 0%, #0f766e 100%);
    box-shadow: 0 12px 28px rgba(6, 95, 70, 0.26), 0 3px 10px rgba(5, 150, 105, 0.24);
}

body.chat-open #pip-floating-trigger {
    right: calc(40vw + 20px);
}

/* ============================================
   Auto-Prompt (Tab Blur Notification)
   ============================================ */

#pip-auto-prompt {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

#pip-auto-prompt.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.pip-prompt-content {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    padding: 20px;
    max-width: 340px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pip-prompt-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #14b8a6 0%, #8b5cf6 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.pip-prompt-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pip-prompt-text strong {
    font-size: 15px;
    color: #0f172a;
    font-weight: 600;
}

.pip-prompt-text span {
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
}

.pip-prompt-actions {
    display: flex;
    gap: 10px;
}

.pip-prompt-btn {
    flex: 1;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
}

.pip-prompt-btn.pip-prompt-open {
    background: linear-gradient(135deg, #14b8a6 0%, #8b5cf6 100%);
    color: white;
}

.pip-prompt-btn.pip-prompt-open:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.3);
}

.pip-prompt-btn.pip-prompt-dismiss {
    background: #f1f5f9;
    color: #475569;
}

.pip-prompt-btn.pip-prompt-dismiss:hover {
    background: #e2e8f0;
}

/* ============================================
   Unsupported Browser Modal
   ============================================ */

#pip-unsupported-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.2s ease;
}

#pip-unsupported-modal.closing {
    opacity: 0;
}

.pip-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
}

.pip-modal-content {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: 32px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    animation: pipModalSlideIn 0.3s ease;
}

@keyframes pipModalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.pip-modal-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 28px;
}

.pip-modal-title {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
}

.pip-modal-text {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 24px;
}

.pip-modal-text strong {
    color: #0f172a;
}

.pip-modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pip-modal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.pip-modal-btn.primary {
    background: linear-gradient(135deg, #14b8a6 0%, #8b5cf6 100%);
    color: white;
}

.pip-modal-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(20, 184, 166, 0.35);
}

.pip-modal-btn.secondary {
    background: #f1f5f9;
    color: #475569;
}

.pip-modal-btn.secondary:hover {
    background: #e2e8f0;
}

/* ============================================
   Error Toast
   ============================================ */

.pip-error-toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 99999;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 14px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 10px 40px rgba(220, 38, 38, 0.15);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.pip-error-toast.visible {
    opacity: 1;
    transform: translateY(0);
}

.pip-error-toast i {
    font-size: 18px;
}

/* ============================================
   PiP Active State Indicator
   ============================================ */

.pip-active-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    animation: pipPulse 2s infinite;
}

@keyframes pipPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
    }
}

.pip-active-indicator i {
    font-size: 10px;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 640px) {
    #pip-floating-trigger {
        right: 14px;
        bottom: 14px;
    }

    #pip-floating-trigger .pip-floating-main {
        width: 46px;
        height: 46px;
    }

    #pip-floating-trigger .pip-floating-main i {
        font-size: 16px;
    }

    #pip-floating-trigger .pip-floating-action {
        font-size: 11px;
        padding: 7px 10px;
    }

    body.chat-open #pip-floating-trigger {
        right: 14px;
    }

    #pip-auto-prompt {
        bottom: 16px;
        right: 16px;
        left: 16px;
    }
    
    .pip-prompt-content {
        max-width: 100%;
    }
    
    .pip-prompt-actions {
        flex-direction: column;
    }
    
    .pip-modal-content {
        padding: 24px;
        margin: 16px;
    }
    
    .pip-modal-actions {
        flex-direction: column;
    }
    
    .pip-error-toast {
        left: 16px;
        right: 16px;
    }
}

/* ============================================
   Dark Mode Support (if applicable)
   ============================================ */

@media (prefers-color-scheme: dark) {
    .pip-prompt-content {
        background: #1e293b;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1);
    }
    
    .pip-prompt-text strong {
        color: #f1f5f9;
    }
    
    .pip-prompt-text span {
        color: #94a3b8;
    }
    
    .pip-prompt-btn.pip-prompt-dismiss {
        background: #334155;
        color: #cbd5e1;
    }
    
    .pip-prompt-btn.pip-prompt-dismiss:hover {
        background: #475569;
    }
    
    .pip-modal-content {
        background: #1e293b;
    }
    
    .pip-modal-title {
        color: #f1f5f9;
    }
    
    .pip-modal-text {
        color: #94a3b8;
    }
    
    .pip-modal-text strong {
        color: #f1f5f9;
    }
    
    .pip-modal-btn.secondary {
        background: #334155;
        color: #cbd5e1;
    }
    
    .pip-modal-btn.secondary:hover {
        background: #475569;
    }
}