:root {
    --bg-darkest: #0b141a;
    --bg-darker: #111b21;
    --bg-card: #202c33;
    --bg-card-hover: #2a3942;
    --bg-input: #2a3942;
    --border-color: #222d34;
    --border-light: #2f3b43;
    
    --primary-color: #00a884;
    --primary-hover: #008f70;
    --primary-light: rgba(0, 168, 132, 0.15);
    
    --text-primary: #e9edef;
    --text-secondary: #8696a0;
    --text-muted: #667781;
    
    --bubble-outbound: #005c4b;
    --bubble-inbound: #202c33;
    
    --status-sent: #8696a0;
    --status-delivered: #8696a0;
    --status-read: #53bdeb;
    --status-replied: #00a884;
    --status-failed: #f15c6d;
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-code: 'Fira Code', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-darkest);
    color: var(--text-primary);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
.app-header {
    height: 60px;
    background-color: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wati-logo-badge {
    background: linear-gradient(135deg, #25D366, #075E54);
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: 6px;
    letter-spacing: 1px;
}

.header-brand h1 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.port-badge {
    background-color: var(--bg-input);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid var(--primary-light);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-color);
    box-shadow: 0 0 8px var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

/* Main Workspace Layout */
.main-workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* Sidebar Panel */
.sidebar-panel {
    width: 380px;
    background-color: var(--bg-darker);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 16px;
    overflow-y: auto;
}

.panel-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-title {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);

}

input[type="text"], select, textarea {
    background-color: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: var(--font-main);
    outline: none;
    transition: border-color 0.2s;
}

input[type="text"]:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
}

.section-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.placeholders-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.placeholders-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.placeholder-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.placeholder-tag {
    background-color: var(--bg-darkest);
    color: var(--primary-color);
    font-family: var(--font-code);
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
    min-width: 50px;
    text-align: center;
}

.preview-box {
    background-color: var(--bg-darkest);
    border: 1px dashed var(--border-light);
    padding: 12px;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.template-preview-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s, opacity 0.2s;
}

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

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

.btn-success {
    background-color: var(--primary-color);
    color: #fff;
}

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--bg-card-hover);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
}

.btn-icon:hover {
    color: var(--text-primary);
    background-color: var(--bg-input);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

.btn-xs {
    padding: 4px 8px;
    font-size: 0.7rem;
}

.badge {
    background-color: var(--primary-color);
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 700;
}

.result-message {
    font-size: 0.8rem;
    padding: 8px;
    border-radius: 4px;
}

.result-message.success {
    background-color: rgba(0, 168, 132, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.result-message.error {
    background-color: rgba(241, 92, 109, 0.2);
    color: var(--status-failed);
    border: 1px solid var(--status-failed);
}

/* Chat Panel */
.chat-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-darkest);
    position: relative;
}

.chat-header {
    height: 60px;
    background-color: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.chat-contact-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00a884, #075e54);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
}

.contact-name {
    font-size: 0.95rem;
    font-weight: 600;
}

.contact-status {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Messages Container */
.messages-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

.message-bubble {
    max-width: 65%;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    position: relative;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    word-break: break-word;
}

.message-bubble.outbound {
    align-self: flex-end;
    background-color: var(--bubble-outbound);
    color: var(--text-primary);
    border-top-right-radius: 2px;
}

.message-bubble.inbound {
    align-self: flex-start;
    background-color: var(--bubble-inbound);
    color: var(--text-primary);
    border-top-left-radius: 2px;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.message-type-badge {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.65rem;
    text-transform: uppercase;
}

.message-body {
    white-space: pre-wrap;
    line-height: 1.4;
}

.message-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

.status-badge {
    font-weight: 600;
    font-size: 0.7rem;
}

.status-badge.sent { color: var(--status-sent); }
.status-badge.delivered { color: var(--status-delivered); }
.status-badge.read { color: var(--status-read); }
.status-badge.replied { color: var(--status-replied); }
.status-badge.failed { color: var(--status-failed); }

/* Chat Reply Area */
.chat-reply-area {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 14px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.alert-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
}

.alert-warning {
    background-color: rgba(241, 92, 109, 0.15);
    border: 1px solid var(--status-failed);
    color: var(--status-failed);
}

.reply-form {
    display: flex;
    gap: 10px;
}

.reply-form input {
    flex: 1;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    gap: 12px;
}

.empty-icon {
    font-size: 2.5rem;
}

/* Debug Drawer */
.debug-drawer {
    width: 450px;
    background-color: var(--bg-darker);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, margin-right 0.3s ease;
    z-index: 5;
}

.debug-drawer.collapsed {
    display: none;
}

.drawer-header {
    height: 60px;
    padding: 0 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.drawer-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
}

.drawer-title h2 {
    font-size: 0.95rem;
    font-weight: 600;
}

.drawer-controls {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.filter-input {
    flex: 1;
    font-size: 0.8rem;
    padding: 6px 10px;
}

.webhook-events-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.webhook-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.event-type-tag {
    background-color: var(--bg-input);
    color: var(--primary-color);
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.event-time {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.webhook-card-phone {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.raw-json-details {
    margin-top: 4px;
}

.raw-json-details summary {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.raw-json-details pre {
    background-color: var(--bg-darkest);
    padding: 8px;
    border-radius: 4px;
    font-family: var(--font-code);
    font-size: 0.7rem;
    color: #4ec9b0;
    overflow-x: auto;
    margin-top: 6px;
    max-height: 250px;
}

.hidden {
    display: none !important;
}