/* =========================================
   SISTEMA DE LOGROS (ACHIEVEMENTS)
   ========================================= */

.show-achievements-btn {
    margin-top: 1rem;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.6rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.show-achievements-btn:hover {
    background: rgba(96, 165, 250, 0.1);
    border-color: var(--secondary);
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(96, 165, 250, 0.2);
}

.achievements-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    z-index: 3000;
    padding: 2rem;
    overflow-y: auto;
}

.achievements-overlay.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.achievements-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem;
    border-radius: 24px;
    min-height: 80vh;
}

.achievements-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1.5rem;
}

.achievements-header h2 {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.back-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-5px);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.achievement-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.achievement-card.locked {
    opacity: 0.5;
    filter: grayscale(1);
}

.achievement-card.unlocked {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.achievement-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.achievement-icon {
    font-size: 2.5rem;
    min-width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 12px;
}

.achievement-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: #f8fafc;
}

.achievement-info p {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.3;
}

/* Achievement Toasts */
.achievement-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 5000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.achievement-toast {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--secondary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(96, 165, 250, 0.3);
    border-radius: 12px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 15px;
    min-width: 300px;
    max-width: 400px;
    pointer-events: auto;
    animation: toastSlideIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.achievement-toast.hiding {
    animation: toastSlideOut 0.5s ease-in forwards;
}

@keyframes toastSlideIn {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes toastSlideOut {
    to { transform: translateX(120%); opacity: 0; }
}

.toast-icon { font-size: 2rem; }

.toast-content h4 {
    color: var(--secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.toast-content h5 { font-size: 1rem; color: white; margin-bottom: 1px; }
.toast-content p { font-size: 0.8rem; color: #cbd5e1; }

@media (max-width: 600px) {
    .achievements-grid { grid-template-columns: 1fr; }
    .achievement-toast { min-width: 280px; right: 10px; left: 10px; }
}