/* ============================================
   PORTAL GATES UI - Animierte Portal-Visuals
   ============================================ */

/* Universe Header */
.universe-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(10, 25, 50, 0.95) 0%, rgba(5, 15, 30, 0.95) 100%);
    border: 2px solid rgba(0, 200, 255, 0.4);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 200, 255, 0.2);
}

.universe-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 15px rgba(0, 200, 255, 0.9));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.universe-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #00d4ff;
    text-shadow: 0 0 15px rgba(0, 200, 255, 0.8);
    letter-spacing: 0.2em;
}

/* Filter Control Bar */
.gate-filter-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(10, 25, 50, 0.8) 0%, rgba(5, 15, 30, 0.8) 100%);
    border: 1px solid rgba(0, 200, 255, 0.3);
    border-radius: 6px;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-icon-btn {
    background: linear-gradient(135deg, rgba(20, 40, 70, 0.9) 0%, rgba(10, 25, 45, 0.9) 100%);
    border: 2px solid rgba(0, 200, 255, 0.4);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.3s ease;
    white-space: nowrap;
    letter-spacing: 0.05em;
}

.filter-icon-btn:hover {
    background: linear-gradient(135deg, rgba(30, 50, 80, 0.95) 0%, rgba(15, 30, 50, 0.95) 100%);
    border-color: #00d4ff;
    color: white;
    box-shadow: 0 0 15px rgba(0, 200, 255, 0.5);
    transform: translateY(-2px);
}

.filter-icon-btn.active {
    background: linear-gradient(135deg, #0066cc 0%, #0044aa 100%);
    border-color: #00d4ff;
    color: white;
    box-shadow: 0 0 20px rgba(0, 120, 255, 0.6);
}

.gate-search-box {
    background: rgba(10, 20, 35, 0.9);
    border: 2px solid rgba(0, 200, 255, 0.4);
    color: white;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    flex: 1;
    min-width: 200px;
}

.gate-search-box:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 200, 255, 0.5);
}

.gate-counter {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 600;
    margin-left: auto;
}

.gate-counter span {
    color: #00d4ff;
    font-weight: 700;
}

/* Gates Grid */
.gates-universe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(5, 15, 30, 0.6) 0%, rgba(10, 20, 40, 0.6) 100%);
    border: 2px solid rgba(0, 200, 255, 0.3);
    border-radius: 8px;
    min-height: 500px;
}

/* Portal Card */
.gate-portal-card {
    position: relative;
    background: linear-gradient(135deg, rgba(15, 30, 60, 0.95) 0%, rgba(10, 20, 40, 0.95) 100%);
    border: 2px solid rgba(0, 200, 255, 0.4);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    overflow: hidden;
}

.gate-portal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 40%, rgba(0, 200, 255, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gate-portal-card:hover::before {
    opacity: 1;
}

.gate-portal-card:hover {
    border-color: #00d4ff;
    box-shadow: 0 0 30px rgba(0, 200, 255, 0.6);
    transform: translateY(-8px);
}

/* Info Button */
.gate-info-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    background: rgba(0, 150, 255, 0.9);
    border: 2px solid #00d4ff;
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.gate-info-btn:hover {
    background: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 200, 255, 0.9);
    transform: scale(1.15);
}

/* Rank Badge */
.gate-rank-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, rgba(0, 100, 200, 0.9) 0%, rgba(0, 50, 150, 0.9) 100%);
    border: 2px solid rgba(0, 200, 255, 0.6);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    box-shadow: 0 0 15px rgba(0, 150, 255, 0.6);
}

.gate-rank-badge.rank-d { 
    background: linear-gradient(135deg, #6b8cae 0%, #4a5f7a 100%); 
    border-color: #8ba8c4; 
}
.gate-rank-badge.rank-c { 
    background: linear-gradient(135deg, #4169e1 0%, #1e3a8a 100%); 
    border-color: #6495ed; 
}
.gate-rank-badge.rank-b { 
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%); 
    border-color: #c084fc; 
}
.gate-rank-badge.rank-a { 
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); 
    border-color: #f87171; 
}
.gate-rank-badge.rank-s { 
    background: linear-gradient(135deg, #1e40af 0%, #0f172a 100%); 
    border-color: #3b82f6; 
}
.gate-rank-badge.rank-ss { 
    background: linear-gradient(135deg, #000000 0%, #1a1a2e 100%); 
    border-color: #4a4a6a; 
}

/* Portal Container */
.portal-container {
    width: 120px;
    height: 120px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animated Portal */
.portal {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 50%;
}

.portal-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid;
    animation: rotate-ring 8s linear infinite;
}

.portal-ring.ring-1 {
    width: 100%;
    height: 100%;
    animation-duration: 8s;
}

.portal-ring.ring-2 {
    width: 70%;
    height: 70%;
    animation-duration: 6s;
    animation-direction: reverse;
}

.portal-ring.ring-3 {
    width: 40%;
    height: 40%;
    animation-duration: 4s;
}

.portal-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50%;
    height: 50%;
    border-radius: 50%;
    animation: pulse-core 2s ease-in-out infinite;
}

@keyframes rotate-ring {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse-core {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1); 
        opacity: 0.8;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2); 
        opacity: 1;
    }
}

/* Portal Types (basierend auf den Bildern) */

/* D-Rang: Hellblau (Bild 1) */
.portal-blue .portal-ring {
    border-color: rgba(100, 200, 255, 0.8);
    box-shadow: 0 0 15px rgba(100, 200, 255, 0.6);
}
.portal-blue .portal-core {
    background: radial-gradient(circle, rgba(200, 240, 255, 0.9) 0%, rgba(100, 200, 255, 0.4) 100%);
    box-shadow: 0 0 25px rgba(100, 200, 255, 0.8);
}

/* C-Rang: Cyan */
.portal-cyan .portal-ring {
    border-color: rgba(0, 255, 200, 0.8);
    box-shadow: 0 0 15px rgba(0, 255, 200, 0.6);
}
.portal-cyan .portal-core {
    background: radial-gradient(circle, rgba(150, 255, 240, 0.9) 0%, rgba(0, 255, 200, 0.4) 100%);
    box-shadow: 0 0 25px rgba(0, 255, 200, 0.8);
}

/* B-Rang: Lila (Bild 2) */
.portal-purple .portal-ring {
    border-color: rgba(200, 100, 255, 0.8);
    box-shadow: 0 0 15px rgba(200, 100, 255, 0.6);
}
.portal-purple .portal-core {
    background: radial-gradient(circle, rgba(255, 200, 255, 0.9) 0%, rgba(150, 50, 200, 0.5) 100%);
    box-shadow: 0 0 30px rgba(200, 100, 255, 0.9);
}

/* A-Rang: Rot (Bild 4) */
.portal-red .portal-ring {
    border-color: rgba(255, 100, 100, 0.9);
    box-shadow: 0 0 20px rgba(255, 50, 50, 0.7);
}
.portal-red .portal-core {
    background: radial-gradient(circle, rgba(255, 200, 200, 0.95) 0%, rgba(200, 50, 50, 0.6) 100%);
    box-shadow: 0 0 35px rgba(255, 100, 100, 1);
}

/* S-Rang: Dunkelblau mit Blitzen (Bild 3) */
.portal-dark .portal-ring {
    border-color: rgba(100, 150, 255, 0.9);
    box-shadow: 0 0 25px rgba(100, 150, 255, 0.8);
}
.portal-dark .portal-core {
    background: radial-gradient(circle, rgba(50, 100, 200, 0.95) 0%, rgba(10, 20, 60, 0.9) 100%);
    box-shadow: 0 0 40px rgba(100, 150, 255, 1);
}

/* SS-Rang: Schwarz */
.portal-black .portal-ring {
    border-color: rgba(150, 150, 200, 0.9);
    box-shadow: 0 0 30px rgba(100, 100, 150, 0.9);
}
.portal-black .portal-core {
    background: radial-gradient(circle, rgba(80, 80, 120, 0.95) 0%, rgba(0, 0, 0, 0.95) 100%);
    box-shadow: 0 0 50px rgba(150, 150, 200, 1);
}

/* Gate Name */
.gate-name {
    color: #00d4ff;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.7);
    letter-spacing: 0.05em;
}

/* Boss Label */
.gate-boss-label {
    background: rgba(0, 100, 150, 0.3);
    border: 1px solid rgba(0, 200, 255, 0.4);
    color: rgba(255, 255, 255, 0.9);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

/* Completed Gates */
.gate-portal-card.completed {
    border-color: rgba(0, 255, 100, 0.6);
    background: linear-gradient(135deg, rgba(0, 60, 30, 0.6) 0%, rgba(0, 40, 20, 0.6) 100%);
}

.gate-portal-card.completed::after {
    content: '✓';
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: rgba(0, 255, 100, 0.95);
    border-radius: 50%;
    color: white;
    font-size: 1.3rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 255, 100, 0.8);
}

/* Combat Title */
.combat-title-display {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(150, 50, 50, 0.3) 0%, rgba(100, 30, 30, 0.3) 100%);
    border: 2px solid rgba(200, 50, 50, 0.5);
    border-radius: 8px;
}

.combat-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 12px rgba(255, 100, 100, 0.7));
}

.combat-title-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6666;
    text-shadow: 0 0 12px rgba(255, 100, 100, 0.7);
    letter-spacing: 0.15em;
}

/* Responsive */
@media (max-width: 1024px) {
    .gates-universe-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .gates-universe-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .gate-filter-control {
        flex-wrap: wrap;
    }
}