:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--bg-top: #f7f8fc;--bg-bottom: #eef1f8;--surface: #ffffff;--surface-2: #eef0f5;--text: #20242e;--text-2: #2b2f3a;--text-muted: #7a8194;--border: #e2e5ec;--input-border: #d7dbe3;--shadow-card: 0 1px 3px rgba(16, 24, 40, .08);--shadow-card-hover: 0 4px 12px rgba(16, 24, 40, .12);--shadow-modal: 0 20px 50px rgba(16, 24, 40, .3);--count-bg: rgba(0, 0, 0, .08);--primary: #5b6cff;--primary-fg: #ffffff;--overlay: rgba(16, 24, 40, .45);--hover: rgba(0, 0, 0, .06);--dashed: rgba(0, 0, 0, .2);--add-hover: rgba(255, 255, 255, .6);--col-blue: #e9f2ff;--col-yellow: #fef6e4;--col-purple: #f2effd;--col-green: #e6f7ee;--col-pink: #fdeef0;--prio-high-bg: #ffe3e3;--prio-high-fg: #e0405e;--prio-medium-bg: #ffedd8;--prio-medium-fg: #e08a1e;--prio-low-bg: #dcf7e9;--prio-low-fg: #2fa06a;--danger-bg: #ffe3e3;--danger-fg: #e0405e}:root[data-theme=dark]{--bg-top: #12141c;--bg-bottom: #0c0e14;--surface: #1b1e28;--surface-2: #262a37;--text: #e8eaf0;--text-2: #dfe2ea;--text-muted: #9aa1b2;--border: #333849;--input-border: #3a4054;--shadow-card: 0 1px 3px rgba(0, 0, 0, .4);--shadow-card-hover: 0 6px 18px rgba(0, 0, 0, .5);--shadow-modal: 0 20px 50px rgba(0, 0, 0, .6);--count-bg: rgba(255, 255, 255, .12);--primary: #6d7cff;--primary-fg: #ffffff;--overlay: rgba(0, 0, 0, .6);--hover: rgba(255, 255, 255, .08);--dashed: rgba(255, 255, 255, .18);--add-hover: rgba(255, 255, 255, .06);--col-blue: #182536;--col-yellow: #2b2718;--col-purple: #241f33;--col-green: #16281f;--col-pink: #301c25;--prio-high-bg: #3a2126;--prio-high-fg: #ff8095;--prio-medium-bg: #3a2f1c;--prio-medium-fg: #ffbf6b;--prio-low-bg: #1c3327;--prio-low-fg: #59d59b;--danger-bg: #3a2126;--danger-fg: #ff8095}*{box-sizing:border-box}html,body{margin:0;background:var(--bg-bottom)}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:600}.card{background:var(--surface);border-radius:14px;padding:14px;box-shadow:var(--shadow-card);cursor:pointer;display:flex;flex-direction:column;gap:10px;transition:box-shadow .2s,background-color .25s}.card:hover{box-shadow:var(--shadow-card-hover)}.card-title{margin:0;font-size:14px;font-weight:600;color:var(--text);line-height:1.35}.card-meta{display:flex;align-items:center;justify-content:space-between}.card-due{font-size:12px;color:var(--text-muted)}.card-footer{display:flex;align-items:center;justify-content:space-between}.card-counts{font-size:12px;color:var(--text-muted)}.prio{font-size:11px;font-weight:600;padding:4px 8px;border-radius:8px}.prio-high{background:var(--prio-high-bg);color:var(--prio-high-fg)}.prio-medium{background:var(--prio-medium-bg);color:var(--prio-medium-fg)}.prio-low{background:var(--prio-low-bg);color:var(--prio-low-fg)}.column{display:flex;flex-direction:column;gap:12px;width:290px;flex:0 0 290px;border-radius:18px;padding:14px;max-height:100%;transition:background-color .25s}.column-blue{background:var(--col-blue)}.column-yellow{background:var(--col-yellow)}.column-purple{background:var(--col-purple)}.column-green{background:var(--col-green)}.column-pink{background:var(--col-pink)}.column-head{display:flex;align-items:center;gap:8px}.column-index{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;background:var(--primary);color:var(--primary-fg);border-radius:7px;padding:0 6px;font-size:12px;font-weight:700}.column-title{font-size:15px;font-weight:700;margin:0;flex:1;color:var(--text-2)}.column-count{background:var(--count-bg);color:var(--text-muted);border-radius:8px;padding:1px 8px;font-size:12px;font-weight:700}.column-empty{margin:6px 0;padding:16px;text-align:center;font-size:13px;color:var(--text-muted);border:1px dashed var(--dashed);border-radius:12px}.column-actions{display:flex;gap:2px}.icon-btn{border:none;background:transparent;font-size:16px;cursor:pointer;color:var(--text-muted);border-radius:6px;padding:2px 6px}.icon-btn:hover{background:var(--hover)}.column-body{display:flex;flex-direction:column;gap:12px;min-height:24px;overflow-y:auto}.add-card{border:1px dashed var(--dashed);background:transparent;border-radius:12px;padding:10px;cursor:pointer;color:var(--text-muted);font-weight:600}.add-card:hover{background:var(--add-hover)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay);display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--surface);border-radius:16px;padding:22px;width:420px;max-width:92vw;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-modal)}.modal h3{margin:0 0 4px;color:var(--text)}.modal label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600;color:var(--text-2)}.modal input,.modal select{padding:9px 11px;border:1px solid var(--input-border);border-radius:10px;font-size:14px;background:var(--surface);color:var(--text)}.modal-row{display:flex;gap:12px}.modal-row label{flex:1}.modal-actions{display:flex;align-items:center;gap:8px;margin-top:6px}.btn-primary{background:var(--primary);color:var(--primary-fg);border:none;padding:9px 16px;border-radius:10px;font-weight:600;cursor:pointer}.btn-ghost{background:var(--surface-2);color:var(--text);border:none;padding:9px 16px;border-radius:10px;cursor:pointer}.btn-danger{background:var(--danger-bg);color:var(--danger-fg);border:none;padding:9px 16px;border-radius:10px;font-weight:600;cursor:pointer}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px}.brand-logo{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#5b6cff,#8f6dff);color:#fff;font-size:20px;box-shadow:0 4px 12px #5b6cff59}.brand-text{display:flex;flex-direction:column;line-height:1.15}.app-title{font-size:22px;font-weight:800;margin:0;color:var(--text)}.app-tagline{margin:0;font-size:12px;color:var(--text-muted);font-weight:500}.app-header-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.task-total{font-size:13px;font-weight:600;color:var(--text-muted);white-space:nowrap}.search-box{border:1px solid var(--border);border-radius:12px;padding:10px 14px;width:230px;font-size:14px;background:var(--surface);color:var(--text)}.search-box::placeholder{color:var(--text-muted)}.priority-filter{border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-size:14px;background:var(--surface);color:var(--text)}.icon-pill{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:9px 12px;font-size:16px;cursor:pointer;line-height:1}.icon-pill:hover{background:var(--surface-2)}.app{min-height:100vh;background:linear-gradient(180deg,var(--bg-top),var(--bg-bottom));transition:background .25s}.board{display:flex;gap:18px;padding:8px 26px 26px;align-items:flex-start;overflow-x:auto}.add-column{flex:0 0 200px;border:1px dashed var(--dashed);background:transparent;border-radius:16px;padding:14px;cursor:pointer;color:var(--text-muted);font-weight:600}.add-column:hover{background:var(--add-hover)}@media (max-width:640px){.board{flex-direction:column}.column{width:100%;flex-basis:auto}}.app-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--text-muted);font-size:15px;font-weight:600}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--bg-top),var(--bg-bottom));padding:24px}.login-card{background:var(--surface);border-radius:20px;padding:40px 34px;width:360px;max-width:92vw;text-align:center;box-shadow:var(--shadow-modal);display:flex;flex-direction:column;align-items:center;gap:8px}.login-logo{width:56px;height:56px;font-size:28px;border-radius:16px;margin-bottom:6px}.login-card .app-title{font-size:26px}.login-card .app-tagline{margin-bottom:22px}.google-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 16px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;font-size:15px;font-weight:600;cursor:pointer}.google-btn:hover{background:var(--surface-2)}.google-g{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:#fff;color:#4285f4;font-weight:800;font-family:Arial,sans-serif;border:1px solid #e2e5ec}.login-config-hint{color:var(--prio-high-fg);font-size:13px;margin-top:8px}.user-chip{display:flex;align-items:center;gap:8px}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--border)}.user-avatar-fallback{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:var(--primary-fg);font-weight:700;font-size:14px}.signout-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:8px 12px;font-size:13px;font-weight:600;cursor:pointer}.signout-btn:hover{background:var(--surface-2)}