/* =========================================
   1. GLOBAL RESETS & BASE STYLES
   ========================================= */
:root {
    /* Colors matching the design */
    --primary-green: #059669;
    --primary-light: #d1fae5;
    --primary-hover: #047857;
    --bg-main: #f9fafb;
    --bg-panel: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    --icon-green: #10b981;
}

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

body { 
    font-family: 'Inter', sans-serif; 
    background-color: var(--bg-main); 
    color: var(--text-main);
    height: 100vh;
    overflow: hidden; /* Prevent body scroll */
}

/* =========================================
   2. APP LAYOUT
   ========================================= */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* --- SIDEBAR --- */
.sidebar {
    width: 260px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding-left: 8px;
}

.logo-icon {
    font-size: 32px;
    color: var(--primary-green);
}

.logo-text h1 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.logo-text span {
    font-size: 14px;
    color: var(--primary-green);
    font-weight: 600;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-item i {
    font-size: 20px;
}

.nav-item:hover {
    background-color: #f3f4f6;
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary-green);
}

/* --- MAIN CONTENT --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Important for flex children scrolling */
}

.main-header {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.main-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--primary-green);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background 0.2s;
}

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

.content-wrapper {
    flex: 1;
    display: flex;
    gap: 24px;
    padding: 24px 32px;
    overflow-y: auto; /* Fallback if panels don't scroll independently */
}

.panel {
    background-color: var(--bg-panel);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid transparent; /* Keeps spacing consistent */
}

.panel-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.panel-header p {
    font-size: 14px;
    color: var(--text-muted);
}

/* --- LEFT PANEL: UPLOAD --- */
.left-panel {
    flex: 0 0 400px;
    padding: 0 24px 24px 24px;
    overflow-y: auto;
}

.left-panel .panel-header {
    padding: 24px 0 20px 0;
}

.upload-zone {
    border: 2px dashed var(--icon-green);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    background-color: #fafafb; /* very subtle gray */
    margin-bottom: 24px;
    transition: background-color 0.2s, border-color 0.2s;
    cursor: pointer;
}

.upload-zone:hover {
    background-color: var(--primary-light);
}

.upload-zone.dragover {
    background-color: var(--primary-light);
    border-color: var(--primary-green);
}

.upload-icon {
    font-size: 48px;
    color: var(--primary-green);
    margin-bottom: 16px;
}

.upload-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.upload-or {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.btn-primary {
    background-color: var(--primary-green);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 16px;
}

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

.upload-hint {
    font-size: 13px;
    color: var(--text-muted);
}

.status-msg {
    margin-bottom: 16px;
    font-size: 14px;
    text-align: center;
}

/* Supported Docs */
#supportedDocsSection h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.doc-types-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.doc-type {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-main);
    background: white;
}

.doc-type i {
    color: var(--primary-green);
    font-size: 18px;
}

.info-note {
    background-color: var(--success-bg);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.info-note i {
    color: var(--primary-green);
    font-size: 20px;
    margin-top: 2px;
}

.note-content strong {
    display: block;
    font-size: 14px;
    color: var(--primary-hover);
    margin-bottom: 4px;
}

.note-content p {
    font-size: 13px;
    color: var(--primary-hover);
    line-height: 1.4;
    opacity: 0.9;
}

/* Extracted Data */
.extracted-data {
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}
.extracted-data h4 {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}
.data-group {
    margin-bottom: 10px;
}
.data-group strong {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 2px;
}
.data-group span {
    font-size: 14px;
    color: var(--text-main);
}


/* --- RIGHT PANEL: CHAT --- */
.right-panel {
    flex: 1;
    min-width: 0;
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Contains inner scroll */
}

.chat-window {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Chat Messages */
.message-wrapper {
    display: flex;
    flex-direction: column;
    max-width: 80%;
}

.message-wrapper.user {
    align-self: flex-end;
}

.message-wrapper.ai {
    align-self: flex-start;
}

.message-header {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.message-wrapper.user .message-header {
    color: var(--primary-hover);
}

.message-wrapper.ai .message-header {
    color: var(--primary-hover);
}

.ai-avatar {
    background-color: var(--primary-green);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.message-content {
    padding: 16px;
    border-radius: 12px;
    font-size: 15px;
    line-height: 1.6;
    position: relative;
}

.message-wrapper.user .message-content {
    background-color: var(--success-bg);
    border: 1px solid var(--success-border);
    border-bottom-right-radius: 4px;
    color: var(--text-main);
}

.message-wrapper.ai .message-content {
    background-color: white;
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

/* AI Message styling specific */
.message-wrapper.ai ul {
    margin: 8px 0 8px 24px;
}
.message-wrapper.ai li {
    margin-bottom: 4px;
}

.msg-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
}
.message-wrapper.user .msg-footer i {
    color: var(--primary-green);
}

/* Quick Actions */
.chat-bottom {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    background-color: #fafafb;
}

.quick-actions h4 {
    font-size: 14px;
    color: var(--primary-green);
    margin-bottom: 12px;
}

.actions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    flex: 1;
    min-width: 100px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.action-btn i {
    font-size: 24px;
}

.action-btn span {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.action-btn:hover {
    border-color: var(--primary-green);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Input Area */
.input-area {
    display: flex;
    gap: 12px;
    align-items: center;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 8px 8px 8px 20px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.input-area input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    background: transparent;
}

.send-btn {
    background-color: var(--primary-green);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    transition: background-color 0.2s;
}

.send-btn:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.send-btn:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

.disclaimer {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 12px;
}