/* GPS Pokalbiai - Unified Styles */

/* ===== CSS VARIABLES ===== */
:root { 
    /* Atnaujinta, kontrastingesnė paletė */
    --primary-color: #4f46e5; /* Indigo 600 */
    --primary-hover: #4338ca; /* Indigo 700 */
    --primary-light: #e0e7ff; /* Indigo 100 */

    --bg-color: #f3f4f6; /* Gray 100 - šviesesnis fonas */
    --surface-color: #ffffff;
    --surface-secondary: #f9fafb; /* Gray 50 */
    
    --text-color: #111827; /* Gray 900 - tamsesnis tekstas geresniam kontrastui */
    --muted-text: #6b7280; /* Gray 500 */

    --border-color: #e5e7eb; /* Gray 200 */
    --border-light: #f3f4f6; /* Gray 100 */

    --danger-color: #dc2626;  /* Red 600 */
    --danger-light: #fee2e2; /* Red 100 */
    --success-color: #16a34a; /* Green 600 */
    --success-light: #d1fae5; /* Green 100 */
    --warning-color: #f59e0b; /* Amber 500 */
    --warning-light: #fef3c7; /* Amber 100 */
    --info-color: #3b82f6;   /* Blue 500 */
    --info-light: #dbeafe;   /* Blue 100 */
    
    --header-height: 60px;
    --border-radius: 8px; /* Švelnesnis border radius */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    --safe-area-inset-top: env(safe-area-inset-top);
    --safe-area-inset-bottom: env(safe-area-inset-bottom);
    --safe-area-inset-left: env(safe-area-inset-left);
    --safe-area-inset-right: env(safe-area-inset-right);
}

/* Naktinė tema */
.theme-dark {
    --primary-color: #6366f1; /* Indigo 500 */
    --primary-hover: #4f46e5; /* Indigo 600 */
    --primary-light: #3730a3; /* Indigo 800 */

    --bg-color: #111827; /* Gray 900 */
    --surface-color: #1f2937; /* Gray 800 */
    --surface-secondary: #374151; /* Gray 700 */
    
    --text-color: #f9fafb; /* Gray 50 */
    --muted-text: #9ca3af; /* Gray 400 */

    --border-color: #374151; /* Gray 700 */
    --border-light: #4b5563; /* Gray 600 */

    --danger-color: #f87171;  /* Red 400 */
    --danger-light: #3f1212; /* Red 900 */
    --success-color: #4ade80; /* Green 400 */
    --success-light: #14532d; /* Green 900 */
    --warning-color: #facc15; /* Yellow 400 */
    --warning-light: #422006; /* Amber 900 */
    --info-color: #60a5fa;   /* Blue 400 */
    --info-light: #1e3a8a;   /* Blue 900 */
}

/* ===== BASE STYLES ===== */
body, html { 
    margin: 0; 
    padding: 0; 
    height: 100vh; 
    height: calc(var(--vh, 1vh) * 100);
    width: 100%; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; 
    overflow: hidden; 
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-overflow-scrolling: touch;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

* { box-sizing: border-box; }
.hidden { display: none !important; }

/* Mobile specific fixes */
@supports (-webkit-touch-callout: none) {
    body { height: -webkit-fill-available; }
}

/* ===== AUTHENTICATION ===== */
#auth-container { 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100%; 
}

.auth-form { 
    background: var(--surface-color); 
    padding: 2.5rem; 
    border-radius: var(--border-radius); 
    box-shadow: var(--shadow-lg); 
    width: 90%; 
    max-width: 380px; 
    border: 1px solid var(--border-color);
}

.auth-form h2 { 
    margin-top: 0; 
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 700;
    text-align: center;
}

.auth-form input { 
    width: 100%; 
    padding: 14px 16px; 
    margin-bottom: 1rem; 
    border: 1px solid var(--border-color); 
    border-radius: var(--border-radius); 
    font-size: 1rem;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    background-color: var(--surface-secondary);
    color: var(--text-color);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.auth-form button { 
    background-color: var(--primary-color); 
    color: white; 
    padding: 14px 20px; 
    border: none; 
    border-radius: var(--border-radius); 
    cursor: pointer; 
    width: 100%; 
    font-size: 1rem; 
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.auth-form button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.auth-form .toggle-link { 
    margin-top: 1rem; 
    color: var(--primary-color); 
    cursor: pointer; 
    font-size: 0.9rem; 
}

.auth-form .error { 
    color: var(--danger-color);
    min-height: 20px; 
    font-size: 0.9rem; 
}

/* ===== MAIN APP LAYOUT ===== */
#app-container { 
    display: flex; 
    flex-direction: column; 
    height: 100vh; 
    height: calc(var(--vh, 1vh) * 100);
    padding-top: var(--safe-area-inset-top);
    padding-bottom: var(--safe-area-inset-bottom);
    padding-left: var(--safe-area-inset-left);
    padding-right: var(--safe-area-inset-right);
}

/* ===== TOP BAR ===== */
#top-bar { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 0 20px; 
    height: var(--header-height); 
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0; 
    box-shadow: var(--shadow-sm);
}

#top-bar .nav-controls { 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 12px; 
}

#top-bar .nav-btn { 
    background-color: transparent; 
    border: none; 
    color: var(--muted-text);
    padding: 12px 20px; 
    border-radius: var(--border-radius); 
    font-size: 0.95rem; 
    font-weight: 600; 
    cursor: pointer; 
    -webkit-tap-highlight-color: transparent; 
    transition: all 0.2s ease;
    position: relative;
}

#top-bar .nav-btn:hover {
    background: var(--surface-secondary);
    color: var(--text-color);
}

#top-bar .nav-btn.active { 
    background-color: var(--primary-light); 
    color: var(--primary-color);
}

/* ===== SECONDARY BAR ===== */
#secondary-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
}

.secondary-nav-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: transparent;
    color: var(--muted-text);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-nav-btn:hover {
    background-color: var(--surface-secondary);
    color: var(--text-color);
}

.secondary-nav-btn.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ===== MAIN CONTENT ===== */
#main-content { 
    flex-grow: 1; 
    position: relative; 
    overflow: hidden; 
}

.view { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-color: var(--bg-color); 
    overflow-y: auto; 
    transition: opacity 0.2s, visibility 0.2s; 
    visibility: hidden; 
    opacity: 0; 
}

.view.active { 
    visibility: visible; 
    opacity: 1; 
}

/* ===== MAP ===== */
#map { 
    height: 100%; 
    width: 100%; 
    background: var(--bg-color); 
}

/* ===== USERS LIST ===== */
#users-list { 
    list-style: none; 
    padding: 0; 
    margin: 0; 
    background-color: var(--surface-color);
}

.user-item { 
    display: flex; 
    align-items: center; 
    padding: 16px 20px; 
    border-bottom: 1px solid var(--border-color); 
    cursor: pointer; 
    transition: all 0.2s ease;
    position: relative;
}

.user-item:hover { 
    background-color: var(--surface-secondary); 
}

.user-item .status-indicator { 
    width: 10px; 
    height: 10px; 
    border-radius: 50%; 
    background-color: var(--muted-text); 
    margin-right: 16px; 
    flex-shrink: 0; 
}

.user-item .status-indicator.online { 
    background-color: var(--success-color); 
}

.user-item .username { 
    font-weight: 600; 
    font-size: 1rem;
    color: var(--text-color);
}

.user-item .admin-badge { 
    font-size: 0.7rem; 
    background-color: var(--warning-light);
    color: var(--warning-color); 
    padding: 4px 8px; 
    border-radius: 12px; 
    margin-left: 12px; 
    font-weight: 600;
}

.placeholder { 
    padding: 40px 20px; 
    text-align: center; 
    color: var(--muted-text); 
    font-size: 1.1rem;
    background: var(--surface-color);
    margin: 20px;
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius);
}

/* ===== CONTEXT MENU ===== */
#context-menu-overlay { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: transparent; 
    z-index: 1000; 
}

#context-menu-wrapper { 
    position: absolute; 
    width: 220px; 
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

#context-menu { 
    background: var(--surface-color); 
    border: none; 
    border-radius: 0; 
    box-shadow: none; 
}

#context-menu-title { 
    text-align:center; 
    padding:12px; 
    margin:0; 
    border-bottom:1px solid var(--border-color); 
    font-size:0.95rem; 
    color:var(--text-color); 
    font-weight:600; 
}

#context-menu button { 
    display: block; 
    width: 100%; 
    background: none; 
    border: none; 
    border-bottom: 1px solid var(--border-color); 
    padding: 12px 16px; 
    text-align: left; 
    font-size: 0.95rem; 
    cursor: pointer; 
    color: var(--text-color); 
    transition: all 0.2s ease;
    font-weight: 500;
}
#context-menu button:last-child {
    border-bottom: none;
}

#context-menu button:hover {
    background: var(--surface-secondary);
}

.danger-action { 
    color: var(--danger-color) !important; 
}

.danger-action:hover {
    background: var(--danger-light) !important;
}


/* ===== CHAT OVERLAY PANEL ===== */
#chat-view { 
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 500;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color);
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    visibility: hidden;
}

#chat-view.active { 
    transform: translateX(0);
    visibility: visible;
}

#chat-header { 
    display: flex; 
    align-items: center; 
    height: var(--header-height); 
    background-color: var(--surface-color); 
    border-bottom: 1px solid var(--border-color); 
    flex-shrink: 0; 
    padding-top: var(--safe-area-inset-top);
}

#chat-header button { 
    background: none; 
    border: none; 
    font-size: 1.5rem; 
    cursor: pointer; 
    padding: 0 15px;
    -webkit-tap-highlight-color: transparent;
    color: var(--text-color);
}

#chat-header-title { 
    font-weight: 600; 
    color: var(--text-color);
}

#messages-list { 
    flex-grow: 1; 
    padding: 20px; 
    overflow-y: auto; 
    background-color: var(--bg-color); 
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

#message-form { 
    display: flex; 
    padding: 10px; 
    background-color: var(--surface-color); 
    border-top: 1px solid var(--border-color); 
    flex-shrink: 0; 
    padding-bottom: calc(10px + var(--safe-area-inset-bottom));
}

#message-input { 
    flex-grow: 1; 
    padding: 12px 16px; 
    border: 1px solid var(--border-color);
    border-radius: 20px; 
    margin-right: 12px; 
    font-size: 1rem; 
    transition: all 0.2s ease;
    background-color: var(--surface-secondary);
    color: var(--text-color);
}

#message-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

#message-form button { 
    background: var(--primary-color); 
    color: white; 
    border: none; 
    border-radius: 50%; 
    width: 44px; 
    height: 44px; 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    transition: all 0.2s ease;
}

#message-form button:hover {
    background-color: var(--primary-hover);
}

.message { 
    margin-bottom: 12px; 
    padding: 10px 14px; 
    border-radius: 16px; 
    max-width: 80%; 
    word-wrap: break-word; 
    box-shadow: var(--shadow-sm);
    position: relative;
    display: flex;
    flex-direction: column;
}

.message.sent { 
    background: var(--primary-color); 
    color: white; 
    margin-left: auto; 
    border-bottom-right-radius: 4px; 
    align-items: flex-end;
}

.message.received { 
    background: var(--surface-color); 
    color: var(--text-color); 
    margin-right: auto; 
    border-bottom-left-radius: 4px; 
    border: 1px solid var(--border-color);
    align-items: flex-start;
}
.message .sender-name {
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 4px;
    color: var(--primary-color);
}
.message.sent .sender-name {
    color: rgba(255, 255, 255, 0.8);
}


.message .timestamp { 
    font-size: 0.7rem; 
    opacity: 0.6; 
    margin-top: 5px; 
    display: flex;
    align-items: center;
}
.message.sent .timestamp {
    color: rgba(255, 255, 255, 0.8);
}

.message .read-status {
    font-size: 1rem;
    margin-left: 5px;
    line-height: 1;
}

.system-message {
    text-align: center;
    color: var(--muted-text);
    font-size: 0.8rem;
    padding: 10px;
}

/* ===== MY CHATS LIST ===== */
.chats-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.chat-item {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
    position: relative;
}

.chat-item:hover {
    background-color: var(--surface-secondary);
}

.chat-item .partner-name {
    font-weight: 600;
    flex-grow: 1;
}

.chat-item .last-message {
    color: var(--muted-text);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50%;
}

.unread-badge {
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 16px;
}


/* ===== SETTINGS ===== */
.settings-container {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.settings-container h2 {
    margin-bottom: 20px;
    color: var(--text-color);
    text-align: center;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    font-weight: 500;
    color: var(--text-color);
    flex: 1;
}

.setting-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
}

.setting-item select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--surface-color);
    color: var(--text-color);
    min-width: 120px;
}

.setting-item select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

/* ===== USER DETAIL MODAL ===== */
/* This can be styled similarly to settings if needed */

/* ===== ADMIN PANEL ===== */
#admin-panel { 
    background: var(--surface-secondary);
    border-top: 1px solid var(--border-color); 
    padding: 15px; 
    margin-top: auto; 
}

#admin-panel h3 { 
    margin-top: 0; 
    margin-bottom: 15px; 
    color: var(--text-color);
}

.admin-btn { 
    background-color: var(--primary-color);
    color: #fff;
    border: none; 
    padding: 10px 16px; 
    border-radius: var(--border-radius); 
    cursor: pointer; 
    margin-right: 12px; 
    margin-bottom: 12px; 
    font-size: 0.9rem; 
    font-weight: 600;
    transition: all 0.2s ease;
}

.admin-btn:hover {
    background-color: var(--primary-hover);
}

.admin-btn.danger { 
    background-color: var(--danger-color); 
}

/* ===== STATUS INDICATORS ===== */
#following-indicator { 
    position: fixed; 
    top: calc(var(--header-height) + 10px); 
    left: 50%;
    transform: translateX(-50%);
    background: var(--info-color); 
    color: white; 
    padding: 8px 16px; 
    border-radius: 20px; 
    font-size: 0.9rem; 
    z-index: 1000; 
    display: none; 
    box-shadow: var(--shadow-lg);
}

#connection-status { 
    position: fixed; 
    top: 15px; 
    right: 15px; 
    background: var(--surface-color); 
    color: var(--text-color); 
    padding: 6px 12px; 
    border-radius: 20px; 
    font-size: 0.8rem; 
    z-index: 1000; 
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

#connection-status:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}
#connection-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--warning-color); /* Default: connecting */
}


/* ===== NOTIFICATIONS (Alerts) ===== */
.alert {
    padding: 12px 16px;
    margin: 12px 20px;
    border-radius: var(--border-radius);
    border: 1px solid;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.alert span {
    font-size: 1.2rem;
    line-height: 1.5;
}

.alert-success {
    background: var(--success-light);
    border-color: var(--success-color);
    color: #047857; /* Green 800 */
}
.theme-dark .alert-success {
    color: var(--success-color);
}

.alert-warning {
    background: var(--warning-light);
    border-color: var(--warning-color);
    color: #b45309; /* Amber 800 */
}
.theme-dark .alert-warning {
    color: var(--warning-color);
}

.alert-info {
    background: var(--info-light);
    border-color: var(--info-color);
    color: #0c4a6e; /* Blue 800 */
}
.theme-dark .alert-info {
    color: var(--info-color);
}

.alert-danger {
    background: var(--danger-light);
    border-color: var(--danger-color);
    color: #991b1b; /* Red 800 */
}
.theme-dark .alert-danger {
    color: var(--danger-color);
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 480px) {
    .auth-form { 
        width: 100%; 
        height: 100%;
        border: none;
        border-radius: 0;
        box-shadow: none;
        padding: 1.5rem; 
    }
    
    #top-bar .nav-btn { 
        padding: 8px 10px; 
        font-size: 0.85rem; 
    }
    
    .user-item { 
        padding: 12px 15px; 
    }
    
    #context-menu-wrapper { 
        max-width: 90%; 
    }
}

#users-view {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sub-view-container {
    flex-grow: 1;
    position: relative;
    overflow-y: auto;
}

.sub-view {
    display: none;
    height: 100%;
    overflow-y: auto;
    flex-direction: column;
}

.sub-view.active {
    display: flex;
}

#general-chat-sub-view {
    display: flex;
    flex-direction: column;
    height: 100%;
}

#general-chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
}

#general-chat-form {
    display: flex;
    padding: 10px;
    border-top: 1px solid var(--border-color);
}
#general-chat-input {
    flex-grow: 1;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    margin-right: 10px;
}

#general-chat-form button {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

#general-chat-form button:hover {
    background: var(--primary-hover);
}