:root{
    --obsidian: #0B0D12;
    --obsidian-2: #12151C;
    --obsidian-3: #191D27;
    --paper: #EDEEF0;
    --paper-dim: #9BA1AC;
    --paper-faint: #676D79;
    --signal-blue: #4C7CE0;
    --signal-blue-dim: #2E4B8A;
    --alert-amber: #FFB020;
    --hairline: rgba(237,238,240,0.09);
    --hairline-strong: rgba(237,238,240,0.16);
    --radius: 2px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
    margin:0;
    background: var(--obsidian);
    color: var(--paper);
    font-family: 'IBM Plex Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}
::selection{ background: var(--signal-blue-dim); color: var(--paper); }
a{ color: inherit; }
img{ max-width:100%; display:block; }

@media (prefers-reduced-motion: reduce){
    *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

a:focus-visible, button:focus-visible, input:focus-visible{
    outline: 2px solid var(--alert-amber);
    outline-offset: 3px;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-form {
    background: var(--obsidian-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 30px;
    width: 100%;
    max-width: 400px;
}

.login-form h2 {
    font-family: 'Newsreader', serif;
    font-weight: 500;
    font-size: 28px;
    margin: 0 0 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--paper-dim);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--obsidian-3);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    color: var(--paper);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 16px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--signal-blue);
}

button {
    width: 100%;
    padding: 14px;
    background: var(--signal-blue);
    color: var(--paper);
    border: none;
    border-radius: var(--radius);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s ease;
}

button:hover {
    background: var(--signal-blue-dim);
}

.error-message {
    margin-top: 20px;
    padding: 12px;
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: var(--radius);
    color: #ff6b6b;
    text-align: center;
}

.form-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

.form-footer a {
    color: var(--signal-blue);
    text-decoration: none;
}

.form-footer a:hover {
    text-decoration: underline;
}