/* Training Ground System Styles */
.training-ground-screen {
    padding: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.training-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Resource Bar */
.resource-bar {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 12px;
    border-radius: 10px;
    color: white;
}

.resource-display {
    display: flex;
    justify-content: space-around;
    font-weight: 600;
}

/* Training Status */
.training-status {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.training-slots-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    margin: 15px 0;
}

.training-slot {
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 15px;
    background: var(--bg);
    transition: all 0.3s ease;
}

.training-slot.occupied {
    background: linear-gradient(135deg, #065f46 0%, #059669 100%);
    border-color: #10b981;
    color: white;
}

.training-slot.empty {
    background: var(--card-bg);
    border: 2px dashed var(--border);
    opacity: 0.7;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.empty-slot-content h4 {
    color: var(--text-muted);
    margin-bottom: 5px;
}

.empty-slot-content p {
    color: var(--text-muted);
    font-size: 0.9em;
}

/* Dragon Info */
.dragon-info h4 {
    margin: 0 0 8px 0;
    font-size: 1.1em;
    color: #f3f4f6;
}

.dragon-info p {
    margin: 0 0 5px 0;
    color: #d1d5db;
    font-size: 0.9em;
}

/* Progress Bar */
.training-progress {
    margin: 10px 0;
}

.progress-bar {
    background: rgba(0, 0, 0, 0.3);
    height: 20px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 5px;
}

.progress-fill {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    height: 100%;
    transition: width 0.3s ease;
    border-radius: inherit;
}

.progress-text {
    font-weight: 600;
    color: #f3f4f6;
}

.time-remaining {
    color: #d1d5db;
    font-size: 0.85em;
    display: block;
    margin-top: 3px;
}

/* Slot Actions */
.slot-actions {
    margin-top: 12px;
}

.complete-btn, .cancel-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.complete-btn {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
}

.complete-btn:hover {
    background: linear-gradient(135deg, #047857, #059669);
    transform: translateY(-1px);
}

.cancel-btn {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
}

.cancel-btn:hover {
    background: linear-gradient(135deg, #b91c1c, #dc2626);
    transform: translateY(-1px);
}

/* Training Programs */
.training-programs {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.program-card {
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 15px;
    background: var(--bg);
    transition: all 0.3s ease;
    cursor: pointer;
}

.program-card:hover {
    border-color: var(--brand);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.program-card.affordable {
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(16, 185, 129, 0.1));
}

.program-card.not-affordable {
    opacity: 0.6;
    cursor: not-allowed;
    border-color: #ef4444;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.1));
}

.program-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 10px;
}

.program-header h4 {
    margin: 0;
    font-size: 1.1em;
    color: var(--text);
}

.program-duration {
    background: var(--brand);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
}

.program-description {
    color: var(--text-muted);
    font-size: 0.9em;
    margin-bottom: 10px;
}

.xp-reward {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
    display: inline-block;
}

/* Program Costs */
.program-cost {
    margin: 10px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cost-item {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 500;
}

.cost-item.available {
    background: rgba(16, 185, 129, 0.2);
    color: #059669;
    border: 1px solid #10b981;
}

.cost-item.unavailable {
    background: rgba(239, 68, 68, 0.2);
    color: #dc2626;
    border: 1px solid #ef4444;
}

.program-requirements {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.program-requirements small {
    color: var(--text-muted);
    font-size: 0.8em;
}

/* Available Dragons */
.available-dragons {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.dragons-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.available-dragon {
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 15px;
    background: var(--bg);
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.available-dragon.can-train {
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(16, 185, 129, 0.1));
}

.available-dragon.cannot-train {
    opacity: 0.6;
    border-color: #6b7280;
}

.available-dragon:hover.can-train {
    border-color: var(--brand);
    transform: translateY(-2px);
}

.dragon-stats {
    display: flex;
    gap: 15px;
    margin: 5px 0;
    font-size: 0.9em;
}

.dragon-stats span {
    color: var(--text-muted);
}

.dragon-element {
    color: var(--brand);
    font-weight: 600;
    font-size: 0.85em;
}

.select-dragon-btn {
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--brand), #4f46e5);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.select-dragon-btn:hover {
    background: linear-gradient(135deg, #4f46e5, #3730a3);
    transform: translateY(-1px);
}

.slot-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.expand-btn {
    padding: 8px 16px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9em;
}

.expand-btn:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    transform: translateY(-1px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .training-content {
        padding: 10px;
    }

    .resource-display {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .training-slots-container,
    .programs-grid,
    .dragons-list {
        grid-template-columns: 1fr;
    }

    .available-dragon {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .slot-info {
        flex-direction: column;
        gap: 10px;
    }
}

/* Animations */
@keyframes levelUp {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.level-up {
    animation: levelUp 0.6s ease-in-out;
}

@keyframes completePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

.training-complete {
    animation: completePulse 2s infinite;
}