.navbar{position:fixed;top:0;left:0;right:0;height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6);z-index:var(--z-navbar);background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-xs)}.navbar-left{display:flex;align-items:center}.navbar-brand{display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-lg);font-weight:700;color:var(--color-text-primary);text-decoration:none}.navbar-brand:hover{color:var(--color-accent)}.navbar-right{display:flex;align-items:center;gap:var(--space-3)}.navbar-user{display:flex;align-items:center;gap:var(--space-2)}.navbar-user-name{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:500}:root{--color-bg-primary: #f5f6fa;--color-bg-secondary: #ffffff;--color-bg-tertiary: #eef0f6;--color-bg-card: #ffffff;--color-bg-card-hover: #f8f9fd;--color-bg-input: #f0f1f5;--color-bg-modal: rgba(0, 0, 0, .35);--color-bg-canvas: #f9fafb;--color-border: #e2e5ef;--color-border-focus: #5a6acf;--color-border-light: #eef0f6;--color-text-primary: #1e2134;--color-text-secondary: #5e6278;--color-text-muted: #9a9cb8;--color-text-inverse: #ffffff;--color-accent: #5a6acf;--color-accent-hover: #4a5abf;--color-accent-light: rgba(90, 106, 207, .1);--color-accent-alpha: rgba(90, 106, 207, .05);--color-accent-gradient: linear-gradient(135deg, #5a6acf, #7c5cbf);--color-graph-line: #6b9e5a;--color-graph-line-light: rgba(107, 158, 90, .15);--color-graph-connector: #4a8a3a;--color-success: #3baa6f;--color-warning: #d4993e;--color-error: #d64545;--color-info: #4a8fd4;--color-like: #3baa6f;--color-dislike: #d64545;--color-status-done: #3baa6f;--color-status-in-progress: #d4993e;--color-status-pending: #9a9cb8;--color-status-overdue: #d64545;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .7rem;--font-size-sm: .8125rem;--font-size-base: .9375rem;--font-size-lg: 1.0625rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(30, 33, 52, .05);--shadow-sm: 0 1px 4px rgba(30, 33, 52, .08);--shadow-md: 0 4px 12px rgba(30, 33, 52, .1);--shadow-lg: 0 8px 24px rgba(30, 33, 52, .12);--shadow-card: 0 2px 8px rgba(30, 33, 52, .06);--shadow-card-hover: 0 6px 20px rgba(30, 33, 52, .12);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--z-dropdown: 100;--z-modal: 200;--z-tooltip: 300;--z-navbar: 50}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.page-container{max-width:1400px;margin:0 auto;padding:var(--space-6) var(--space-8);padding-top:calc(56px + var(--space-6))}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:6px 14px;border:none;border-radius:var(--radius-md);font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:500;cursor:pointer;transition:all var(--transition-fast);outline:none;white-space:nowrap}.btn:focus-visible{box-shadow:0 0 0 3px var(--color-accent-light)}.btn-primary{background:var(--color-accent);color:var(--color-text-inverse)}.btn-primary:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg-secondary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-card-hover);border-color:var(--color-accent)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-accent-light);color:var(--color-accent)}.btn-danger{background:#d6454514;color:var(--color-error);border:1px solid rgba(214,69,69,.2)}.btn-danger:hover{background:#d6454526}.btn-sm{padding:4px 10px;font-size:var(--font-size-xs)}.btn-lg{padding:10px 24px;font-size:var(--font-size-base)}.input{width:100%;padding:8px 12px;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:var(--font-family);font-size:var(--font-size-sm);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.input::placeholder{color:var(--color-text-muted)}textarea.input{resize:vertical;min-height:80px}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-card);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--color-accent);transform:translateY(-1px)}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:var(--font-size-xs);font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.04em}.badge-accent{background:var(--color-accent-light);color:var(--color-accent)}.badge-success{background:#3baa6f1a;color:var(--color-success)}.badge-warning{background:#d4993e1a;color:var(--color-warning)}.badge-danger{background:#d645451f;color:var(--color-error)}.badge-muted{background:#eef1f6;color:var(--color-text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}.status-dot--done{background:var(--color-status-done)}.status-dot--in-progress{background:var(--color-status-in-progress)}.status-dot--pending{background:var(--color-status-pending)}.status-dot--overdue{background:var(--color-status-overdue)}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn var(--transition-base) ease-out forwards}.animate-slide-in{animation:slideIn var(--transition-base) ease-out forwards}.form-group{display:flex;flex-direction:column;gap:var(--space-1)}.form-group label{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}.delete-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-md);border:none;background:transparent;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.delete-btn:hover{background:#d645451a;color:var(--color-error)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4)}.section-header h2{display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-lg);font-weight:600}.back-link{display:inline-flex;align-items:center;gap:var(--space-1);color:var(--color-text-muted);font-size:var(--font-size-sm);margin-bottom:var(--space-4)}.back-link:hover{color:var(--color-accent)}