/* ========== WEBMAIL - 3 Panel Email Client ========== */

/* Layout overrides */
.app-container { overflow-y: hidden !important; }
.main-content { overflow-y: hidden !important; }
.content-area { padding: 0 !important; min-height: 0; display: flex; flex-direction: column; flex: 1; overflow: hidden; }

/* 3-Panel */
.mail-container { display: flex; flex: 1; overflow: hidden; background: var(--bg-secondary); min-height: 0; }
.mail-sidebar { width: 260px; min-width: 260px; background: var(--bg-primary); border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow-y: auto; }
.mail-list-panel { flex: 1; min-width: 300px; display: flex; flex-direction: column; border-right: 1px solid var(--border); background: var(--bg-primary); min-height: 0; }
.mail-reading-panel { flex: 1.2; min-width: 300px; display: flex; flex-direction: column; background: var(--bg-primary); overflow-y: auto; min-height: 0; }

/* Sidebar */
.mail-sidebar-header { padding: 16px; }
.btn-compose { width: 100%; padding: 12px 20px; background: var(--accent); color: #fff; border: none; border-radius: 24px; font-size: 15px; font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 10px; justify-content: center; transition: all .2s; }
.btn-compose:hover { filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.btn-compose i { font-size: 16px; }
.account-selector { margin: 12px 16px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-secondary); color: var(--text-primary); font-size: 13px; width: calc(100% - 32px); cursor: pointer; }
.folder-list { list-style: none; padding: 0; margin: 0; }
.folder-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; cursor: pointer; color: var(--text-primary); font-size: 13px; transition: background .15s; border-left: 3px solid transparent; }
.folder-item:hover { background: var(--bg-secondary); }
.folder-item.active { background: var(--bg-secondary); font-weight: 600; border-left-color: var(--accent); }
.folder-item i { width: 18px; text-align: center; color: var(--text-secondary); font-size: 14px; }
.folder-item .folder-name { flex: 1; }
.folder-item .folder-badge { background: var(--accent); color: #fff; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 10px; min-width: 18px; text-align: center; }
.folder-item .folder-badge:empty { display: none; }
.sidebar-actions { padding: 12px 16px; margin-top: auto; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px; }
.sidebar-actions button { width: 100%; padding: 8px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; color: var(--text-secondary); font-size: 12px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.sidebar-actions button:hover { color: var(--accent); border-color: var(--accent); }

/* Message List */
.mail-list-toolbar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); background: var(--bg-primary); min-height: 48px; flex-shrink: 0; flex-wrap: wrap; }
.mail-list-toolbar input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }
.toolbar-btn { padding: 6px 10px; background: none; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; color: var(--text-secondary); font-size: 13px; display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.toolbar-btn:hover { color: var(--accent); border-color: var(--accent); }
.mail-search { flex: 1; padding: 7px 12px; border: 1px solid var(--border); border-radius: 20px; background: var(--bg-secondary); color: var(--text-primary); font-size: 13px; min-width: 120px; }
.mail-search:focus { outline: none; border-color: var(--accent); }
.batch-actions { display: none; gap: 4px; }
.batch-actions.visible { display: flex; }
.message-list { flex: 1; overflow-y: auto; }
.message-row { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--border); cursor: pointer; transition: background .1s; }
.message-row:hover { background: var(--bg-secondary); }
.message-row.active { background: #e8f0fe; }
.dark-theme .message-row.active { background: rgba(66,133,244,.15); }
.message-row.unread { font-weight: 600; border-left: 3px solid var(--accent); }
.message-row input[type="checkbox"] { width: 15px; height: 15px; cursor: pointer; flex-shrink: 0; }
.message-star { cursor: pointer; color: var(--text-secondary); font-size: 14px; flex-shrink: 0; }
.message-star.starred { color: #F59E0B; }
.message-sender { width: 160px; min-width: 120px; font-size: 13px; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message-content { flex: 1; display: flex; flex-direction: column; gap: 2px; overflow: hidden; }
.message-subject { font-size: 13px; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message-preview { font-size: 12px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 400 !important; }
.message-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; min-width: 70px; }
.message-date { font-size: 11px; color: var(--text-secondary); white-space: nowrap; }
.message-icons { display: flex; gap: 4px; }
.message-icons i { font-size: 12px; color: var(--text-secondary); }
.mail-list-footer { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-top: 1px solid var(--border); background: var(--bg-primary); font-size: 12px; color: var(--text-secondary); flex-shrink: 0; }
.mail-list-footer button { padding: 4px 10px; background: none; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; color: var(--text-secondary); font-size: 12px; }
.mail-list-footer button:hover { color: var(--accent); }
.mail-list-footer button:disabled { opacity: .4; cursor: not-allowed; }

/* Reading Panel */
.reading-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 1; color: var(--text-secondary); gap: 12px; }
.reading-empty i { font-size: 48px; opacity: .2; }
.reading-empty span { font-size: 14px; }
.reading-header { padding: 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.reading-subject { font-size: 20px; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.reading-from { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.reading-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 16px; flex-shrink: 0; }
.reading-from-info { flex: 1; }
.reading-from-name { font-weight: 600; color: var(--text-primary); font-size: 14px; }
.reading-from-email { font-size: 12px; color: var(--text-secondary); }
.reading-to { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.reading-date { font-size: 12px; color: var(--text-secondary); flex-shrink: 0; }
.reading-actions { display: flex; gap: 6px; padding: 12px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; flex-wrap: wrap; }
.reading-actions button { padding: 7px 14px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; color: var(--text-primary); font-size: 12px; display: flex; align-items: center; gap: 6px; transition: all .15s; }
.reading-actions button:hover { border-color: var(--accent); color: var(--accent); }
.reading-actions button i { font-size: 13px; }
.reading-body { padding: 20px; flex: 1; overflow-y: auto; font-size: 14px; line-height: 1.6; color: var(--text-primary); }
.reading-body img { max-width: 100%; height: auto; }
.reading-attachments { padding: 16px 20px; border-top: 1px solid var(--border); flex-shrink: 0; }
.reading-attachments h4 { margin: 0 0 10px; font-size: 13px; color: var(--text-secondary); }
.attachment-list { display: flex; gap: 8px; flex-wrap: wrap; }
.attachment-card { display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 12px; }
.attachment-card:hover { border-color: var(--accent); }
.attachment-card i { font-size: 16px; color: var(--accent); }
.quick-reply { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; flex-shrink: 0; }
.quick-reply input { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 20px; background: var(--bg-secondary); color: var(--text-primary); font-size: 13px; }
.quick-reply button { padding: 10px 20px; background: var(--accent); color: #fff; border: none; border-radius: 20px; cursor: pointer; font-size: 13px; }

/* Compose Modal */
.compose-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.5); z-index: 1000; justify-content: center; align-items: center; }
.compose-overlay.active { display: flex; }
.compose-modal { width: 750px; max-width: 95vw; max-height: 90vh; background: var(--bg-primary); border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.3); display: flex; flex-direction: column; overflow: hidden; }
.compose-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; background: var(--bg-secondary); border-bottom: 1px solid var(--border); }
.compose-header h3 { margin: 0; font-size: 15px; color: var(--text-primary); }
.compose-header .close-btn { background: none; border: none; cursor: pointer; color: var(--text-secondary); font-size: 18px; padding: 4px; }
.compose-fields { padding: 12px 20px; display: flex; flex-direction: column; gap: 8px; border-bottom: 1px solid var(--border); }
.compose-field { display: flex; align-items: center; gap: 8px; position: relative; }
.compose-field label { min-width: 50px; font-size: 13px; color: var(--text-secondary); }
.compose-field input, .compose-field select { flex: 1; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-secondary); color: var(--text-primary); font-size: 13px; }
.compose-field input:focus, .compose-field select:focus { outline: none; border-color: var(--accent); }
.compose-cc-toggle { font-size: 12px; color: var(--accent); cursor: pointer; margin-left: 8px; }
.autocomplete-dropdown { position: absolute; top: 100%; left: 58px; right: 0; background: var(--bg-primary); border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.12); z-index: 10; max-height: 180px; overflow-y: auto; display: none; }
.autocomplete-dropdown.show { display: block; }
.autocomplete-item { padding: 8px 12px; cursor: pointer; font-size: 13px; display: flex; flex-direction: column; }
.autocomplete-item:hover { background: var(--bg-secondary); }
.autocomplete-item .ac-name { color: var(--text-primary); font-weight: 500; }
.autocomplete-item .ac-email { color: var(--text-secondary); font-size: 12px; }
.compose-toolbar { display: flex; gap: 1px; padding: 6px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; align-items: center; }
.compose-toolbar button { padding: 5px 8px; background: none; border: none; cursor: pointer; color: var(--text-secondary); border-radius: 4px; font-size: 13px; line-height: 1; }
.compose-toolbar button:hover { background: var(--bg-secondary); color: var(--text-primary); }
.compose-toolbar .tb-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }
.compose-toolbar select { padding: 3px 6px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg-secondary); color: var(--text-primary); font-size: 12px; cursor: pointer; }
.compose-toolbar input[type="color"] { width: 24px; height: 24px; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; padding: 0; background: none; }
.compose-body { flex: 1; min-height: 250px; max-height: 400px; overflow-y: auto; padding: 16px 20px; }
.compose-editor { min-height: 200px; outline: none; font-size: 14px; line-height: 1.6; color: var(--text-primary); }
.compose-attachments { padding: 10px 20px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 6px; }
.compose-attach-item { display: flex; align-items: center; gap: 6px; padding: 4px 10px; background: var(--bg-secondary); border-radius: 16px; font-size: 12px; color: var(--text-primary); }
.compose-attach-item .remove-attach { cursor: pointer; color: var(--text-secondary); }
.compose-footer { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-top: 1px solid var(--border); }
.compose-footer .btn-send { padding: 10px 24px; background: var(--accent); color: #fff; border: none; border-radius: 20px; cursor: pointer; font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.compose-footer .btn-send:hover { filter: brightness(1.1); }
.compose-footer .btn-secondary { padding: 8px 16px; background: none; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; color: var(--text-secondary); font-size: 12px; }
.compose-footer .attach-btn { background: none; border: none; cursor: pointer; color: var(--text-secondary); font-size: 16px; padding: 8px; }

/* Config Modal */
.config-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.5); z-index: 1000; justify-content: center; align-items: center; overflow-y: auto; padding: 20px 0; }
.config-overlay.active { display: flex; }
.config-modal { width: 700px; max-width: 95vw; max-height: 85vh; background: var(--bg-primary); border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.3); display: flex; flex-direction: column; overflow: hidden; }
.config-tabs { display: flex; border-bottom: 1px solid var(--border); }
.config-tab { padding: 12px 24px; cursor: pointer; font-size: 13px; color: var(--text-secondary); border-bottom: 2px solid transparent; }
.config-tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.config-body { flex: 1; overflow-y: auto; padding: 20px; }
.config-form-group { margin-bottom: 16px; }
.config-form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.config-form-group input, .config-form-group textarea, .config-form-group select { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-secondary); color: var(--text-primary); font-size: 13px; box-sizing: border-box; }
.config-form-group textarea { min-height: 80px; resize: vertical; }
.config-form-row { display: grid; grid-template-columns: 1fr 100px 50px; gap: 8px; }
.config-account-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; }
.config-account-item .account-info { display: flex; align-items: center; gap: 10px; }
.config-account-item .account-email { font-size: 13px; color: var(--text-primary); font-weight: 500; }
.config-account-item .account-name { font-size: 11px; color: var(--text-secondary); }
.config-account-actions { display: flex; gap: 6px; }
.config-account-actions button { padding: 4px 8px; background: none; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; color: var(--text-secondary); font-size: 12px; }
.preset-btns { display: flex; gap: 6px; margin-bottom: 12px; }
.preset-btns button { padding: 6px 14px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-secondary); cursor: pointer; color: var(--text-primary); font-size: 12px; }
.preset-btns button:hover { border-color: var(--accent); color: var(--accent); }

/* Signature Editor */
.signature-editor-container { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.signature-toolbar { display: flex; gap: 1px; padding: 6px 10px; border-bottom: 1px solid var(--border); background: var(--bg-secondary); flex-wrap: wrap; }
.signature-toolbar button { padding: 4px 7px; background: none; border: none; cursor: pointer; color: var(--text-secondary); border-radius: 3px; font-size: 12px; }
.signature-toolbar button:hover { background: var(--bg-primary); color: var(--text-primary); }
.signature-editor { min-height: 120px; padding: 12px; outline: none; font-size: 13px; line-height: 1.5; color: var(--text-primary); }
.signature-preview { margin-top: 12px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-secondary); font-size: 13px; }
.sig-image-upload { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.sig-image-upload img { width: 80px; height: 80px; object-fit: contain; border: 1px solid var(--border); border-radius: 6px; }

/* Contacts Modal */
.contacts-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.5); z-index: 1001; justify-content: center; align-items: center; }
.contacts-overlay.active { display: flex; }
.contacts-modal { width: 600px; max-width: 95vw; max-height: 80vh; background: var(--bg-primary); border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.3); display: flex; flex-direction: column; overflow: hidden; }
.contacts-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--border); }
.contacts-header h3 { margin: 0; font-size: 15px; color: var(--text-primary); }
.contacts-search { padding: 8px 20px; border-bottom: 1px solid var(--border); }
.contacts-search input { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 20px; background: var(--bg-secondary); color: var(--text-primary); font-size: 13px; box-sizing: border-box; }
.contacts-list { flex: 1; overflow-y: auto; }
.contact-item { display: flex; align-items: center; gap: 12px; padding: 10px 20px; cursor: pointer; transition: background .1s; }
.contact-item:hover { background: var(--bg-secondary); }
.contact-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; flex-shrink: 0; }
.contact-info { flex: 1; overflow: hidden; }
.contact-name { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.contact-email { font-size: 12px; color: var(--text-secondary); }
.contact-actions { display: flex; gap: 6px; }
.contact-actions button { padding: 4px 8px; background: none; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; color: var(--text-secondary); font-size: 11px; }
.contact-actions button:hover { color: var(--accent); border-color: var(--accent); }
.contacts-footer { padding: 12px 20px; border-top: 1px solid var(--border); }
.contact-form { padding: 16px 20px; display: none; border-bottom: 1px solid var(--border); }
.contact-form.show { display: block; }
.contact-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.contact-form-row input { width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-secondary); color: var(--text-primary); font-size: 13px; box-sizing: border-box; }

/* Loading */
.loading-spinner { display: flex; align-items: center; justify-content: center; padding: 40px; color: var(--text-secondary); gap: 8px; }
.loading-spinner i { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive */