/* Main Stylesheet */

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --success: #00b894;
    --danger: #d63031;
    --warning: #fdcb6e;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --text-muted: #b2bec3;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --shadow: 0 20px 60px rgba(0,0,0,0.3);
    --radius: 20px;
    --transition: 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 900px;
    width: 100%;
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

.header h1 {
    font-size: 2.4rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== LOADING ===== */
.loading {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-light);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== IP BLOCKS ===== */
.ip-block {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 15px 0;
    border-left: 4px solid var(--primary);
    opacity: 0;
    transform: translateX(-20px);
    transition: all var(--transition);
}

.ip-block.show {
    opacity: 1;
    transform: translateX(0);
}

.ip-block.ipv6 {
    border-left-color: var(--success);
}

.ip-block.error {
    border-left-color: var(--danger);
    background: #fff5f5;
}

.ip-block .ip-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.ip-block .ip-address {
    font-size: 1.6rem;
    font-family: 'Courier New', monospace;
    word-break: break-all;
    padding: 2px 0;
}

.ip-block .ip-address a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition);
}

.ip-block .ip-address a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.ip-block.ipv6 .ip-address a:hover {
    color: var(--success);
}

.ip-block .ip-details {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge.primary {
    background: var(--primary);
    color: white;
}

.badge.success {
    background: var(--success);
    color: white;
}

.badge.danger {
    background: var(--danger);
    color: white;
}

.badge.info {
    background: var(--text-secondary);
    color: white;
}

.badge.warning {
    background: var(--warning);
    color: var(--text-primary);
}

/* ===== DIVIDER ===== */
.divider {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 25px 0 15px;
    position: relative;
    font-weight: 600;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 35%;
    height: 1px;
    background: #dfe6e9;
}

.divider::before { left: 0; }
.divider::after { right: 0; }

/* ===== ERROR ===== */
.error-message {
    color: var(--danger);
    text-align: center;
    padding: 20px;
    background: #fff5f5;
    border-radius: 8px;
    margin: 10px 0;
}

.retry-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background var(--transition);
    margin-top: 10px;
}

.retry-btn:hover {
    background: var(--primary-dark);
}

.retry-btn:active {
    transform: scale(0.95);
}

/* ===== STATUS BAR ===== */
.status-bar {
    margin-top: 20px;
    padding-top: 15px;
    border-top: none;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online {
    background: var(--success);
}

.status-dot.offline {
    background: var(--danger);
}

.status-dot.loading {
    background: var(--warning);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ===== FOOTER COPYRIGHT ===== */
.footer-copyright {
    text-align: center;
    font-size: 0.6rem;
    color: var(--text-muted, #b2bec3);
    margin-top: 20px;
    padding-top: 10px;
    border-top: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 24px;
        border-radius: 12px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .ip-block .ip-address {
        font-size: 1.2rem;
    }
    
    .ip-block {
        padding: 16px 18px;
    }
    
    .divider::before,
    .divider::after {
        width: 25%;
    }

    /* --- FIX: status items two per row --- */
    .status-bar {
        flex-direction: row;          /* keep items in a row */
        flex-wrap: wrap;              /* allow wrapping */
        gap: 8px 16px;                /* row and column gap */
        justify-content: flex-start;  /* left align the wrapped items */
    }

    .status-item {
        flex: 0 0 calc(50% - 8px);    /* two per row, subtract gap */
        min-width: 0;                 /* prevent overflow */
    }
}

@media (max-width: 480px) {
    .container {
        padding: 16px;
    }
    
    .header h1 {
        font-size: 1.4rem;
    }
    
    .ip-block .ip-address {
        font-size: 1rem;
    }
    
    .ip-block .ip-details {
        flex-direction: column;
        gap: 4px;
    }

    /* keep two per row on very small screens */
    .status-item {
        flex: 0 0 calc(50% - 8px);
    }
}