:root{--bg:#f3f6f5;--sidebar-bg:#fff;--card-bg:#fff;--card-hover:#f7faf9;--accent:#28685b;--accent-hover:#20564b;--text:#20312f;--text-muted:#71807e;--border:#e1e8e5;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Segoe UI Variable,Aptos,Segoe UI,sans-serif}.app-container{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border);flex-direction:column;gap:0;padding:24px 16px;display:flex}.sidebar-brand{color:var(--text);align-items:center;gap:10px;margin-bottom:32px;font-size:1.5rem;font-weight:700;display:flex}.sidebar-brand span{font-size:1.8rem}.sidebar-nav{flex-direction:column;flex-grow:1;gap:4px;display:flex}.nav-item{cursor:pointer;color:var(--text-muted);border-radius:8px;align-items:center;gap:12px;padding:12px 16px;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{color:var(--text);background:#e945601a}.nav-item.active{background:var(--accent);color:#fff}.nav-item span:first-child{font-size:1.2rem}.main-content{background:var(--bg);min-width:0;padding:32px;overflow-y:auto}.page-title{color:var(--text);margin-bottom:24px;font-size:1.75rem;font-weight:600}.section-title{color:var(--text);margin-bottom:16px;font-size:1.25rem;font-weight:600}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;margin-bottom:20px;padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-title{color:var(--text);font-size:1.1rem;font-weight:600}button{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-size:.95rem;font-weight:500;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{background:var(--text-muted);cursor:not-allowed}.btn-secondary{border:1px solid var(--border);color:var(--text-muted);background:0 0}.btn-secondary:hover{border-color:var(--accent);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-ghost{color:var(--text-muted);background:0 0;padding:6px 12px}.btn-ghost:hover{color:var(--text);background:#ffffff0d}.btn-sm{padding:6px 12px;font-size:.85rem}input,textarea,select{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:8px;margin-bottom:12px;padding:12px 16px;font-family:inherit;font-size:.95rem}input:focus,textarea:focus,select:focus{border-color:var(--accent);outline:none}input::placeholder,textarea::placeholder{color:var(--text-muted)}label{color:var(--text-muted);margin-bottom:6px;font-size:.9rem;display:block}.badge{border-radius:20px;align-items:center;padding:4px 12px;font-size:.8rem;font-weight:500;display:inline-flex}.badge-connected{color:var(--success);background:#22c55e33}.badge-disconnected{color:var(--text-muted);background:#94a3b833}.badge-warning{color:var(--warning);background:#f59e0b33}.badge-error{color:var(--danger);background:#ef444433}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--card-bg);border:1px solid var(--border);text-align:center;border-radius:12px;padding:24px}.stat-value{color:var(--accent);margin-bottom:4px;font-size:2rem;font-weight:700}.stat-label{color:var(--text-muted);font-size:.9rem}.client-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.client-card{border:1px solid var(--border);background:#ffffff05;border-radius:12px;padding:20px;transition:all .2s}.client-card:hover{border-color:var(--accent)}.client-card.selected{border-color:var(--accent);background:#e945601a}.client-card-header{justify-content:space-between;align-items:flex-start;margin-bottom:12px;display:flex}.client-name{color:var(--text);margin-bottom:4px;font-size:1.1rem;font-weight:600}.client-id{color:var(--text-muted);font-family:monospace;font-size:.8rem}.client-info{margin-bottom:16px}.client-info-row{border-bottom:1px solid #ffffff0d;justify-content:space-between;padding:6px 0;font-size:.9rem;display:flex}.client-info-label{color:var(--text-muted)}.client-info-value{color:var(--text)}.client-actions{flex-wrap:wrap;gap:8px;display:flex}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;width:100%;max-width:500px;max-height:90vh;padding:32px;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.modal-title{color:var(--text);font-size:1.25rem;font-weight:600}.modal-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:1.5rem;line-height:1}.modal-close:hover{color:var(--text)}.modal-footer{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:12px 16px}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.85rem;font-weight:600}td{color:var(--text)}tr:hover{background:#ffffff05}pre{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:16px;font-family:Consolas,Monaco,monospace;font-size:.85rem;overflow-x:auto}.select-wrapper{margin-bottom:16px}select{cursor:pointer}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:24px;padding-bottom:4px;display:flex}.tab{cursor:pointer;color:var(--text-muted);border-bottom:2px solid #0000;padding:10px 20px;font-weight:500;transition:all .2s}.empty-state{text-align:center;color:var(--text-muted);padding:48px}.empty-state-icon{margin-bottom:16px;font-size:3rem}.char-counter{text-align:right;color:var(--text-muted);margin-top:-8px;margin-bottom:12px;font-size:.85rem}.char-counter.warning{color:var(--warning)}.char-counter.error{color:var(--danger)}@media (width<=768px){.app-container{grid-template-columns:minmax(0,1fr);width:100%;overflow-x:hidden}.sidebar{z-index:20;border-right:0;border-bottom:1px solid var(--border);flex-direction:row;align-items:center;gap:16px;width:100%;min-width:0;padding:10px 14px;display:flex;position:sticky;top:0}.sidebar-brand{flex:none;margin:0;font-size:1rem}.sidebar-brand span{font-size:1.25rem}.sidebar-nav{flex-direction:row;flex:auto;gap:2px;min-width:0;overflow-x:auto}.nav-item{white-space:nowrap;gap:7px;padding:9px 10px}.nav-item span:first-child{font-size:1rem}.main-content{padding:16px 12px}.stats-grid{grid-template-columns:1fr 1fr}.client-grid{grid-template-columns:1fr}}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=600px){.form-row{grid-template-columns:1fr}}.loading{color:var(--text-muted);justify-content:center;align-items:center;padding:24px;display:flex}.error-message{border:1px solid var(--danger);color:var(--danger);background:#ef44441a;border-radius:8px;margin-bottom:16px;padding:12px 16px}.success-message{border:1px solid var(--success);color:var(--success);background:#22c55e1a;border-radius:8px;margin-bottom:16px;padding:12px 16px}.post-editor-container{z-index:1000;background:#00000080;flex-direction:column;display:flex;position:fixed;inset:0}.post-editor-header{background:var(--card-bg);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.post-editor-header h2{color:var(--text);margin:0}.btn-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:32px;height:32px;padding:0;font-size:1.5rem;transition:all .2s;display:flex}.btn-close:hover{background:var(--border);color:var(--text)}.post-editor-layout{flex:1;grid-template-columns:1fr 380px;gap:20px;padding:20px;display:grid;overflow:hidden}.post-editor-left{background:var(--card-bg);border-radius:8px;flex-direction:column;gap:16px;padding:20px;display:flex;overflow-y:auto}.post-editor-right{background:var(--card-bg);border-radius:8px;padding:20px;overflow-y:auto}.editor-tabs{border-bottom:1px solid var(--border);gap:8px;margin-bottom:16px;display:flex}.tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:12px 16px;transition:all .2s}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab:hover{color:var(--text)}.editor-panel{flex-direction:column;gap:20px;display:flex}.editor-section{flex-direction:column;gap:12px;display:flex}.editor-section h3{color:var(--text);margin:0;font-size:.95rem;font-weight:600}.editor-section label{color:var(--text-muted);margin-bottom:4px;font-size:.9rem;display:block}.editor-section input,.editor-section textarea,.editor-section select{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:10px 12px;font-family:inherit;font-size:.9rem}.editor-section input:focus,.editor-section textarea:focus,.editor-section select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #e945601a}.caption-textarea{resize:vertical;min-height:120px;font-family:monospace}.media-upload-area{border:2px dashed var(--border);text-align:center;cursor:pointer;background:#e945600d;border-radius:8px;padding:32px;transition:all .2s}.media-upload-area:hover{border-color:var(--accent);background:#e945601a}.media-preview-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px;margin-top:12px;display:grid}.media-preview-item{aspect-ratio:1;border:1px solid var(--border);border-radius:6px;position:relative;overflow:hidden}.media-preview-item img{object-fit:cover;width:100%;height:100%}.media-order{background:var(--accent);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.8rem;font-weight:700;display:flex;position:absolute;top:4px;right:4px}.aspect-ratio-selector{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.aspect-btn{background:var(--border);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:6px;padding:8px 12px;font-size:.85rem;transition:all .2s}.aspect-btn:hover{border-color:var(--accent)}.aspect-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.hashtag-selection{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.hashtag-group-btn button{background:var(--border);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:.85rem;transition:all .2s}.hashtag-group-btn button:hover{background:var(--accent);border-color:var(--accent);color:#fff}.hashtag-list,.mentions-list{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.hashtag-badge,.mention-badge{background:var(--border);color:var(--text);border-radius:20px;align-items:center;gap:6px;padding:6px 10px;font-size:.85rem;display:flex}.hashtag-badge button,.mention-badge button{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;padding:0;font-size:1rem;transition:color .2s;display:flex}.hashtag-badge button:hover,.mention-badge button:hover{color:var(--text)}.publish-mode-options{flex-direction:column;gap:10px;display:flex}.publish-mode-options label{cursor:pointer;align-items:center;gap:8px;margin:0;display:flex}.publish-mode-options input[type=radio]{cursor:pointer;width:16px;height:16px}.platform-selector{flex-direction:column;gap:10px;display:flex}.platform-selector label{cursor:pointer;align-items:center;gap:8px;margin:0;display:flex}.platform-selector input[type=checkbox]{cursor:pointer;width:16px;height:16px}.editor-actions{background:var(--bg);border-radius:6px;gap:8px;margin-top:16px;padding:16px;display:flex}.editor-actions button{flex:1}.editor-output{background:var(--bg);border:1px solid var(--border);border-radius:6px;max-height:150px;padding:12px;overflow-y:auto}.editor-output pre{white-space:pre-wrap;word-break:break-word;margin:0;font-size:.75rem}.preview-panel{flex-direction:column;gap:20px;display:flex}.preview-panel h3{color:var(--text);margin:0;font-size:.95rem}.platform-preview{background:var(--bg);border:1px solid var(--border);border-radius:6px;flex-direction:column;gap:8px;padding:12px;display:flex}.platform-header{color:var(--text-muted);font-size:.85rem;font-weight:600}.preview-frame{aspect-ratio:4/5;background:var(--border);border-radius:4px;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.preview-frame img{object-fit:cover;width:100%;height:100%}.facebook-frame{aspect-ratio:1.91}.preview-info{color:var(--text-muted);padding:8px 0;font-size:.8rem}.preview-info strong{color:var(--text)}@media (width<=1200px){.post-editor-layout{grid-template-columns:1fr}.post-editor-right{max-height:300px}}