/**
 * AlienEcho - components.css
 * UI components: header, tabs, panels, buttons, footer
 */

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 30px;
}

.app-title {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--color-primary);
}

/* Mode Selector - Kartotékové záložky */
.mode-selector {
    display: flex;
    gap: 8px;
    margin-bottom: 0;
    position: relative;
    z-index: 20;
    padding: 0 20px;
}

.mode-btn {
    background: var(--tab-bg);
    border: 2px solid var(--color-primary);
    border-bottom: none;
    color: var(--color-primary);
    padding: 15px 30px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    position: relative;
    flex: 1;
    border-radius: 10px 10px 0 0;
    transform: translateY(10px);
    opacity: 0.7;
}

.mode-btn:hover:not(.active) {
    transform: translateY(5px);
    opacity: 0.85;
    z-index: 5;
}

.mode-btn.active {
    background: var(--tab-active-bg);
    transform: translateY(0);
    opacity: 1;
    z-index: 10;
    box-shadow: 0 -5px 20px rgba(var(--color-primary-rgb), 0.3);
}

/* Propojení aktivní záložky s panelem */
.mode-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--tab-active-bg);
    z-index: 11;
}

.mode-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-icon svg {
    width: 30px;
    height: 30px;
}

.mode-name {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Communication Panel - Hlavní kartotékový panel */
.communication-panel {
    background: var(--tab-active-bg);
    border: 2px solid var(--color-primary);
    border-radius: 0 0 20px 20px;
    padding: 30px 20px;
    margin: 0 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 15;
    min-height: 400px;
    box-shadow: 0 10px 30px rgba(var(--color-primary-rgb), 0.2);
}

.panel {
    display: none;
    width: 100%;
}

.panel.active {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Main Action Button - Univerzální tlačítko */
.main-action-btn {
    width: 100%;
    background: rgba(var(--color-primary-rgb), 0.02);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: 25px 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border-radius: 10px;
    font-size: 1.3rem;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
    box-shadow: inset 0 0 10px rgba(var(--color-primary-rgb), 0.05), 
                0 0 10px rgba(var(--color-primary-rgb), 0.1);
}

.main-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--color-primary-rgb), 0.1), transparent);
    transition: left 0.6s ease;
}

.main-action-btn:hover::before {
    left: 100%;
}

.main-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: inset 0 0 15px rgba(var(--color-primary-rgb), 0.1), 
                0 0 20px rgba(var(--color-primary-rgb), 0.25);
}

.main-action-btn:active {
    transform: translateY(0);
}

.main-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.signal-text {
    font-size: 1.3rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.btn-subtitle {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: normal;
}

/* Panel Content */
.panel-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

/* Human Panel Specific */
.cooldown-indicator {
    font-size: 1.2rem;
    color: var(--color-primary);
    min-height: 30px;
}

/* Alien Panel Specific */
.listening-indicator {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.listening-text {
    font-size: 1rem;
    color: var(--color-primary);
    z-index: 1;
}

.listening-status {
    font-size: 1rem;
    color: var(--color-primary);
    text-align: center;
    opacity: 0.7;
}

/* Observer Panel Specific */
.observer-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    width: 100%;
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 10px;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-primary);
    text-shadow: 0 0 10px var(--color-primary);
}

/* Footer */
.app-footer {
    margin-top: auto;
    text-align: center;
    padding: 30px 20px 20px;
    border-top: 1px solid rgba(var(--color-primary-rgb), 0.3);
}

.personal-best {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.footer-link {
    color: rgba(var(--color-primary-rgb), 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer-info {
    margin-top: 15px;
    font-size: 0.8rem;
    color: rgba(var(--color-primary-rgb), 0.5);
}

/* Responsive */
@media (max-width: 600px) {
    .app-title {
        font-size: 2rem;
    }
    
    .mode-selector {
        padding: 0 10px;
        gap: 5px;
    }
    
    .mode-btn {
        padding: 12px 15px;
    }
    
    .mode-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .mode-name {
        font-size: 0.7rem;
    }
    
    .communication-panel {
        margin: 0 10px;
        padding: 20px 15px;
        min-height: 350px;
    }
    
    .main-action-btn {
        padding: 20px 30px;
        font-size: 1.1rem;
    }
    
    .signal-text {
        font-size: 1.1rem;
    }
    
    .stat-value {
        font-size: 1.8rem;
    }
}