/* Groupdeedo - Mobile-First CSS */
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Groupdeedo Brand Colors */
    --primary-color: #FF5700;
    --primary-dark: #FF2200;
    --secondary-color: #FF4500;
    --brand-gradient: linear-gradient(135deg, #FF5700 0%, #FF2200 100%);
    /* Dark theme matching logo background */
    --background-color: #2a2d35;
    --surface-color: #3a3d45;
    --surface-light: #4a4d55;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B3B8;
    --text-light: #8A8D93;
    --border-color: #5a5d65;
    --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 8px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --border-radius-small: 8px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --font-size-sm: 12px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: var(--font-size-lg);
    overflow: hidden; /* Prevent any scrolling on the body */
    height: 100%;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    /* Use CSS custom property for more control */
    height: 100%;
    max-height: 100vh; /* Small viewport height - excludes browser UI */
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--surface-color);
    position: relative;
    box-sizing: border-box; /* Include padding and borders in height calculation */
    overflow: hidden; /* Prevent any overflow beyond viewport */
}

/* Header */
.app-header {
    background: #000000;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-medium);
    position: relative;
    z-index: 100;
    flex-shrink: 0; /* Prevent this from shrinking */
    box-sizing: border-box; /* Include padding in height calculation */
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-title {
    display: flex;
    align-items: center;
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
}

.header-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.settings-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all 0.2s ease;
}

.settings-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Connection Status */
.connection-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.7);
    opacity: 0.9;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #FFC107;
    animation: pulse 2s infinite;
}

.status-indicator.connected {
    background-color: #4CAF50;
    animation: none;
}

.status-indicator.disconnected {
    background-color: #F44336;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Settings Panel */
.settings-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    height: 100dvh;
    background-color: var(--surface-color);
    box-shadow: var(--shadow-medium);
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.settings-panel.open {
    right: 0;
}

.settings-content {
    padding: var(--spacing-lg);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
}

.settings-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
}

.close-btn {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
}

.setting-group {
    margin-bottom: var(--spacing-lg);
}

.setting-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.setting-group input[type="text"] {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-md);
    background-color: var(--surface-light);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.setting-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Privacy Key Input Group */
.channel-input-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.channel-input-group input {
    flex: 1;
}

.btn-small {
    padding: 8px 12px;
    font-size: var(--font-size-sm);
    min-width: auto;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary {
    background-color: var(--surface-light);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.channel-help {
    margin-top: var(--spacing-sm);
}

.channel-help small {
    color: var(--text-light);
    line-height: 1.4;
}

/* Settings OK Button */
.settings-ok-button {
    margin-top: var(--spacing-md);
    text-align: center;
}

.settings-ok {
    min-width: 120px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 87, 0, 0.2);
    transition: all 0.2s ease;
}

.settings-ok:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(255, 87, 0, 0.3);
    transform: translateY(-1px);
}

.settings-ok:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(255, 87, 0, 0.2);
}

/* Slider */
.slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: var(--shadow-light);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-light);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.channel-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.channel-input-group input {
    flex: 1;
}

.channel-help {
    margin-top: var(--spacing-xs);
}

.channel-help small {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.location-status {
    padding: var(--spacing-md);
    background-color: var(--background-color);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

/* Chat Container */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    background-color: var(--background-color);
    min-height: 0; /* Allow flexbox to shrink this element */
}

.messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.welcome-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    font-size: var(--font-size-md);
    line-height: 1.6;
}

.welcome-message p {
    margin-bottom: var(--spacing-sm);
}

/* Message Styles */
.message {
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-light);
    animation: messageSlideIn 0.3s ease-out;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.message-author {
    font-weight: 600;
    color: var(--primary-color);
    font-size: var(--font-size-md);
}

.message-time {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.message-content {
    color: var(--text-primary);
    word-wrap: break-word;
    white-space: pre-wrap;
}

.message-image {
    margin-top: var(--spacing-sm);
}

.message-image img {
    width: 100%;
    max-width: 300px;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
}

.message-meta {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-light);
    display: flex;
    gap: var(--spacing-md);
}

/* Message Input */
.message-input-container {
    background-color: var(--surface-color);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
    flex-shrink: 0; /* Prevent this from shrinking */
    box-sizing: border-box; /* Include border in height calculation */
}

.input-group {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.image-btn {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.image-btn:hover {
    background: var(--border-color);
}

.message-input-wrapper {
    flex: 1;
    position: relative;
}

.image-preview {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.image-preview img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
}

.remove-image {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    background: var(--text-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

#messageInput {
    width: 100%;
    min-height: 44px;
    max-height: 120px;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    font-family: inherit;
    background-color: var(--surface-light);
    color: var(--text-primary);
    resize: none;
    transition: border-color 0.2s ease;
}

#messageInput:focus {
    outline: none;
    border-color: var(--primary-color);
}

.send-btn {
    background: var(--primary-color);
    border: none;
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

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

.send-btn:disabled {
    background: var(--border-color);
    cursor: not-allowed;
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

#installAppBtn {
    background: linear-gradient(135deg, #FF5700 0%, #FF2200 100%);
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-medium);
    margin-top: var(--spacing-sm);
}

#installAppBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 87, 0, 0.4);
}

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

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

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-lg);
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2,
.modal-header h3 {
    margin: 0;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.modal-body ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.modal-body li {
    margin-bottom: var(--spacing-sm);
}

/* Share Modal */
.share-content {
    text-align: center;
}

.qr-container {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

#qrCode canvas {
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
}

.share-options {
    text-align: left;
}

.share-url {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.share-url input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-sm);
    font-family: monospace;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}

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

/* Responsive Design */
@media (min-width: 768px) {
    .app-container {
        border-left: 1px solid var(--border-color);
        border-right: 1px solid var(--border-color);
        box-shadow: var(--shadow-light);
    }
    
    .settings-panel {
        max-width: 350px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
    }
    
    .app-header {
        padding: var(--spacing-md);
    }
    
    .chat-container {
        padding: var(--spacing-sm);
    }
    
    .message {
        padding: var(--spacing-md);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1A1A1A;
        --surface-color: #2D2D2D;
        --text-primary: #FFFFFF;
        --text-secondary: #CCCCCC;
        --text-light: #999999;
        --border-color: #444444;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for keyboard navigation */
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Scroll behavior */
.chat-container {
    scroll-behavior: smooth;
}

/* Text selection */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Message Voting Styles */
.message-votes {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.vote-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    padding: 6px 12px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 50px;
    justify-content: center;
}

.vote-btn:hover:not(:disabled) {
    background: var(--surface-color);
    border-color: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.vote-btn:active:not(:disabled) {
    transform: translateY(0);
}

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

.vote-btn.vote-up:hover:not(:disabled) {
    background: rgba(76, 175, 80, 0.1);
    border-color: #4CAF50;
    color: #4CAF50;
}

.vote-btn.vote-down:hover:not(:disabled) {
    background: rgba(244, 67, 54, 0.1);
    border-color: #F44336;
    color: #F44336;
}

.vote-count {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* Animation for vote updates */
.vote-count {
    transition: all 0.3s ease;
}

.vote-count.updated {
    animation: voteCountPulse 0.3s ease;
}

@keyframes voteCountPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Mobile optimizations for vote buttons */
@media (max-width: 480px) {
    .vote-btn {
        padding: 8px 10px;
        min-width: 45px;
        font-size: 11px;
    }
    
    .message-votes {
        gap: 6px;
    }
}