/* 
   ╔══════════════════════════════════════════════════════════╗
   ║  JAVA POO LEARNING - TOAST & EFFECTS                    ║
   ║  Notificaciones y efectos especiales                    ║
   ╚══════════════════════════════════════════════════════════╝ 
*/

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 400px;
}

@media (max-width: 640px) {
    .toast-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}

.toast {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: toastSlideIn 0.3s ease-out;
    border-left: 4px solid;
}

.toast.hiding {
    animation: toastSlideOut 0.3s ease-out forwards;
}

.toast.success {
    border-left-color: #22c55e;
    background: linear-gradient(135deg, white, #f0fdf4);
}

.toast.success .toast-icon {
    color: #22c55e;
}

.toast.error {
    border-left-color: #ef4444;
    background: linear-gradient(135deg, white, #fef2f2);
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info {
    border-left-color: #3b82f6;
    background: linear-gradient(135deg, white, #eff6ff);
}

.toast.info .toast-icon {
    color: #3b82f6;
}

.toast.warning {
    border-left-color: #f59e0b;
    background: linear-gradient(135deg, white, #fffbeb);
}

.toast.warning .toast-icon {
    color: #f59e0b;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.toast-close:hover {
    color: var(--gray-600);
    background: var(--gray-100);
}

/* ==================== GLASSMORPHISM ==================== */
.glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==================== LOADING SPINNER ==================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.spinner-small {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* ==================== PROGRESS BAR ==================== */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-purple));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* ==================== BADGE ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    color: var(--primary-700);
}

.badge-success {
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
    color: #166534;
}

.badge-warning {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
}

.badge-error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #991b1b;
}

.badge-info {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
}

/* ==================== RIPPLE EFFECT ==================== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.ripple:active::after {
    width: 200px;
    height: 200px;
    opacity: 1;
    transition: width 0.3s, height 0.3s, opacity 0.3s;
}

/* ==================== PULSE ANIMATION ==================== */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

/* ==================== FLOATING ANIMATION ==================== */
.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ==================== GLOW EFFECTS ==================== */
.glow-purple {
    box-shadow: var(--shadow-glow-purple);
}

.glow-pink {
    box-shadow: var(--shadow-glow-pink);
}

.glow-success {
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
}

.glow-error {
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

/* ==================== HOVER EFFECTS ==================== */
.hover-lift {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform var(--transition-fast);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

/* ==================== SCROLLBAR STYLING ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ==================== FOCUS STATES ==================== */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

/* ==================== DISABLED STATE ==================== */
.disabled,
:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==================== SELECTION ==================== */
.selected {
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    border-color: var(--primary-400);
}

/* ==================== ACTIVE STATE ==================== */
.active {
    background: linear-gradient(135deg, var(--primary-500), var(--accent-purple));
    color: white;
}