/* ============================================
   Proxy Browser Styles - Advanced VPN Browser
   ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Main Container - Takes full viewport */
.proxy-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100%;
    position: relative;
}

/* Frame Container - Takes all available space */
.proxy-frame {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
    border: 2px solid #667eea;
}

/* Toolbar - Fixed at bottom */
.proxy-toolbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 8px 12px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

/* Single Line Layout */
.toolbar-content {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.3) transparent;
}

.toolbar-content::-webkit-scrollbar {
    height: 4px;
}

.toolbar-content::-webkit-scrollbar-track {
    background: transparent;
}

.toolbar-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
}

/* Status Badge */
.status-section {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

/* Connection Buttons */
.connection-section {
    flex-shrink: 0;
    display: flex;
    gap: 6px;
}

/* URL Input Section */
.url-section {
    flex: 1;
    min-width: 200px;
    max-width: 600px;
    display: flex;
    gap: 6px;
}

.url-input {
    flex: 1;
    border: 2px solid rgba(255,255,255,0.9);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    background: rgba(255,255,255,0.95);
    outline: none;
    transition: all 0.3s;
}

.url-input:focus {
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
    background: white;
}

/* Buttons */
.btn-proxy {
    border-radius: 20px;
    padding: 6px 16px;
    font-weight: 600;
    font-size: 13px;
    border: none;
    transition: all 0.3s;
    cursor: pointer;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.btn-proxy:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.btn-proxy:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-light {
    background: white;
    color: #667eea;
}

/* Stats Section */
.stats-section {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 11px;
    font-weight: 500;
    padding-left: 10px;
    border-left: 1px solid rgba(255,255,255,0.3);
}

.stats-section span {
    white-space: nowrap;
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

/* iframe */
#contentFrame {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Loading Spinner */
.spinner-border {
    width: 3rem;
    height: 3rem;
    border: 4px solid rgba(102, 126, 234, 0.3);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.status-badge.connected {
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   Responsive Design - Media Queries
   ============================================ */

/* Tablets (1024px and below) */
@media (max-width: 1024px) {
    .proxy-toolbar {
        padding: 6px 10px;
    }

    .toolbar-content {
        gap: 6px;
    }

    .url-section {
        max-width: 400px;
    }

    .btn-proxy {
        padding: 5px 12px;
        font-size: 12px;
    }

    .stats-section {
        font-size: 10px;
        gap: 8px;
    }

    .status-badge {
        font-size: 11px;
        padding: 3px 8px;
    }
}

/* Mobile Phones (768px and below) */
@media (max-width: 768px) {
    .proxy-toolbar {
        padding: 6px 8px;
    }

    .toolbar-content {
        gap: 5px;
        padding-bottom: 2px;
    }

    .status-section {
        gap: 4px;
    }

    .connection-section {
        gap: 4px;
    }

    .url-section {
        min-width: 150px;
        max-width: 300px;
    }

    .url-input {
        padding: 5px 12px;
        font-size: 12px;
        border-radius: 16px;
    }

    .btn-proxy {
        padding: 5px 10px;
        font-size: 11px;
        border-radius: 16px;
    }

    .btn-proxy span.btn-text {
        display: none;
    }

    .stats-section {
        font-size: 9px;
        gap: 6px;
        padding-left: 6px;
    }

    .status-badge {
        font-size: 10px;
        padding: 3px 6px;
    }
}

/* Extra Small Devices (480px and below) */
@media (max-width: 480px) {
    .proxy-toolbar {
        padding: 5px 6px;
    }

    .toolbar-content {
        gap: 4px;
    }

    .url-section {
        min-width: 120px;
        flex: 1 1 auto;
    }

    .stats-section {
        display: none;
    }

    .btn-proxy {
        padding: 4px 8px;
        font-size: 10px;
    }

    #refreshBtn {
        display: none;
    }
}