:root{--osd-color-bg: #ffffff;--osd-color-bg-subtle: #f8fafc;--osd-color-bg-muted: #f1f5f9;--osd-color-fg: #0f172a;--osd-color-fg-muted: #64748b;--osd-color-fg-subtle: #94a3b8;--osd-color-border: #e2e8f0;--osd-color-border-strong:#cbd5e1;--osd-color-accent: #0ea5e9;--osd-color-accent-hover: #0284c7;--osd-color-accent-fg: #ffffff;--osd-color-success: #16a34a;--osd-color-warning: #ca8a04;--osd-color-danger: #dc2626;--osd-color-danger-hover: #b91c1c;--osd-color-danger-fg: #ffffff;--osd-space-1: .25rem;--osd-space-2: .5rem;--osd-space-3: .75rem;--osd-space-4: 1rem;--osd-space-5: 1.5rem;--osd-space-6: 2rem;--osd-space-7: 3rem;--osd-space-8: 4rem;--osd-radius-sm: .25rem;--osd-radius-md: .5rem;--osd-radius-lg: .75rem;--osd-radius-pill: 9999px;--osd-font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--osd-font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--osd-text-xs: .75rem;--osd-text-sm: .875rem;--osd-text-md: 1rem;--osd-text-lg: 1.125rem;--osd-text-xl: 1.25rem;--osd-text-2xl: 1.5rem;--osd-text-3xl: 1.875rem;--osd-leading-tight: 1.25;--osd-leading-normal: 1.5;--osd-shadow-sm: 0 1px 2px 0 rgb(15 23 42 / .05);--osd-shadow-md: 0 4px 6px -1px rgb(15 23 42 / .08), 0 2px 4px -2px rgb(15 23 42 / .06);--osd-shadow-lg: 0 10px 15px -3px rgb(15 23 42 / .1), 0 4px 6px -4px rgb(15 23 42 / .06);--osd-focus-ring: 0 0 0 3px rgb(14 165 233 / .35)}@media (prefers-color-scheme: dark){:root{--osd-color-bg: #0b1220;--osd-color-bg-subtle: #0f172a;--osd-color-bg-muted: #1e293b;--osd-color-fg: #e2e8f0;--osd-color-fg-muted: #94a3b8;--osd-color-fg-subtle: #64748b;--osd-color-border: #1e293b;--osd-color-border-strong:#334155;--osd-color-accent: #38bdf8;--osd-color-accent-hover: #7dd3fc;--osd-color-accent-fg: #0b1220;--osd-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--osd-shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .3);--osd-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5), 0 4px 6px -4px rgb(0 0 0 / .3);--osd-focus-ring: 0 0 0 3px rgb(56 189 248 / .45)}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;background:var(--osd-color-bg);color:var(--osd-color-fg);font-family:var(--osd-font-sans);font-size:var(--osd-text-md);line-height:var(--osd-leading-normal);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{margin:0 0 var(--osd-space-3) 0;font-weight:600;line-height:var(--osd-leading-tight)}h1{font-size:var(--osd-text-3xl)}h2{font-size:var(--osd-text-2xl)}h3{font-size:var(--osd-text-xl)}h4{font-size:var(--osd-text-lg)}h5{font-size:var(--osd-text-md)}h6{font-size:var(--osd-text-sm);color:var(--osd-color-fg-muted)}p{margin:0 0 var(--osd-space-3) 0}a{color:var(--osd-color-accent);text-decoration:none}a:hover{text-decoration:underline}code,pre,kbd,samp{font-family:var(--osd-font-mono);font-size:.95em}pre{background:var(--osd-color-bg-muted);padding:var(--osd-space-3);border-radius:var(--osd-radius-sm);overflow-x:auto}:focus-visible{outline:none;box-shadow:var(--osd-focus-ring);border-radius:var(--osd-radius-sm)}.layout{max-width:960px;margin:0 auto;padding:var(--osd-space-5)}.header{display:flex;align-items:center;justify-content:space-between;padding:var(--osd-space-4) var(--osd-space-5);border-bottom:1px solid var(--osd-color-border)}.header nav{display:flex;gap:var(--osd-space-4)}.brand{font-weight:700;font-size:var(--osd-text-xl)}.card{border:1px solid var(--osd-color-border);border-radius:var(--osd-radius-md);padding:var(--osd-space-4);margin:var(--osd-space-4) 0;background:var(--osd-color-bg)}.muted{color:var(--osd-color-fg-muted);font-size:var(--osd-text-sm)}.error{color:var(--osd-color-danger)}.osd-stack{display:flex;flex-direction:column;gap:var(--osd-space-3)}.osd-stack[data-direction=row]{flex-direction:row}.osd-stack[data-align=center]{align-items:center}.osd-stack[data-justify=between]{justify-content:space-between}.osd-stack[data-gap="1"]{gap:var(--osd-space-1)}.osd-stack[data-gap="2"]{gap:var(--osd-space-2)}.osd-stack[data-gap="4"]{gap:var(--osd-space-4)}.osd-stack[data-gap="5"]{gap:var(--osd-space-5)}.osd-stack[data-gap="6"]{gap:var(--osd-space-6)}.osd-container{width:100%;margin-inline:auto;padding-inline:var(--osd-space-5)}.osd-container[data-max=sm]{max-width:640px}.osd-container[data-max=md]{max-width:960px}.osd-container[data-max=lg]{max-width:1200px}.osd-container[data-max=full]{max-width:100%}.osd-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--osd-space-2);padding:var(--osd-space-2) var(--osd-space-4);border:1px solid transparent;border-radius:var(--osd-radius-sm);background:var(--osd-color-bg-muted);color:var(--osd-color-fg);font:inherit;font-weight:500;cursor:pointer;transition:background-color 80ms ease-out,border-color 80ms ease-out}.osd-button:hover:not([disabled]){background:var(--osd-color-border)}.osd-button[disabled]{opacity:.55;cursor:not-allowed}.osd-button[data-variant=primary]{background:var(--osd-color-accent);color:var(--osd-color-accent-fg);border-color:var(--osd-color-accent)}.osd-button[data-variant=primary]:hover:not([disabled]){background:var(--osd-color-accent-hover);border-color:var(--osd-color-accent-hover)}.osd-button[data-variant=danger]{background:var(--osd-color-danger);color:var(--osd-color-danger-fg);border-color:var(--osd-color-danger)}.osd-button[data-variant=danger]:hover:not([disabled]){background:var(--osd-color-danger-hover);border-color:var(--osd-color-danger-hover)}.osd-button[data-variant=ghost]{background:transparent;color:var(--osd-color-fg);border-color:var(--osd-color-border)}.osd-button[data-variant=ghost]:hover:not([disabled]){background:var(--osd-color-bg-muted)}.osd-card{border:1px solid var(--osd-color-border);border-radius:var(--osd-radius-md);padding:var(--osd-space-4);background:var(--osd-color-bg);box-shadow:var(--osd-shadow-sm)}.osd-field{display:flex;flex-direction:column;gap:var(--osd-space-1)}.osd-field__label{font-size:var(--osd-text-sm);font-weight:500;color:var(--osd-color-fg)}.osd-field__required{color:var(--osd-color-danger)}.osd-field__hint{margin:0;font-size:var(--osd-text-xs);color:var(--osd-color-fg-muted)}.osd-field__error{margin:0;font-size:var(--osd-text-xs);color:var(--osd-color-danger)}.osd-field--error .osd-input{border-color:var(--osd-color-danger)}.osd-input{width:100%;padding:var(--osd-space-2) var(--osd-space-3);border:1px solid var(--osd-color-border);border-radius:var(--osd-radius-sm);background:var(--osd-color-bg);color:var(--osd-color-fg);font:inherit;transition:border-color 80ms ease-out,box-shadow 80ms ease-out}.osd-input::placeholder{color:var(--osd-color-fg-subtle)}.osd-input:hover:not([disabled]){border-color:var(--osd-color-border-strong)}.osd-input:focus-visible{outline:none;box-shadow:var(--osd-focus-ring);border-color:var(--osd-color-accent)}.osd-input[disabled]{opacity:.55;cursor:not-allowed}.osd-input[aria-invalid=true]{border-color:var(--osd-color-danger)}.osd-alert{padding:var(--osd-space-3) var(--osd-space-4);border:1px solid var(--osd-color-border);border-radius:var(--osd-radius-sm);background:var(--osd-color-bg-subtle);color:var(--osd-color-fg);font-size:var(--osd-text-sm)}.osd-alert--info{background:color-mix(in srgb,var(--osd-color-accent) 10%,var(--osd-color-bg));border-color:color-mix(in srgb,var(--osd-color-accent) 40%,var(--osd-color-border))}.osd-alert--success{background:color-mix(in srgb,var(--osd-color-success) 10%,var(--osd-color-bg));border-color:color-mix(in srgb,var(--osd-color-success) 40%,var(--osd-color-border))}.osd-alert--warning{background:color-mix(in srgb,var(--osd-color-warning) 14%,var(--osd-color-bg));border-color:color-mix(in srgb,var(--osd-color-warning) 45%,var(--osd-color-border))}.osd-alert--danger{background:color-mix(in srgb,var(--osd-color-danger) 10%,var(--osd-color-bg));border-color:color-mix(in srgb,var(--osd-color-danger) 40%,var(--osd-color-border));color:var(--osd-color-danger)}.osd-login-form{display:flex;flex-direction:column;gap:var(--osd-space-4);min-width:280px;max-width:360px}.osd-login-form__actions{display:flex;flex-direction:column;gap:var(--osd-space-2)}.osd-login-form__submit{width:100%}.osd-login-form__footer{display:flex;justify-content:space-between;font-size:var(--osd-text-sm)}.osd-login-shell{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 80px);padding:var(--osd-space-5)}