/* ExpireNote - minimal white theme */

:root {
    --text:        #111111;
    --muted:       #666666;
    --faint:       #999999;
    --border:      #e0e0e0;
    --border-dark: #cccccc;
    --subtle:      #fafafa;
    --brand:       #15803d;
    --brand-dark:  #126334;
    --brand-red:   #dc2626;
    --brand-blue:  #2563eb;
    --danger:      #b91c1c;
    --warn:        #92400e;

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    background-color: #ffffff;
    color: var(--text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

a {
    color: var(--brand);
}

/* Layout */

.container {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 0 20px;
}

main {
    flex: 1 0 auto;
    padding: 40px 0 64px;
}

/* Header */

.site-header {
    border-bottom: 1px solid var(--border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    flex-shrink: 0;
}

.wordmark {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.wm-expire {
    color: var(--brand-red);
}

.wm-note {
    color: var(--brand-blue);
}

.site-nav {
    display: flex;
    gap: 18px;
}

.site-nav a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
}

.site-nav a:hover {
    color: var(--text);
}

.site-nav a[aria-current="page"] {
    color: var(--text);
}

/* Typography */

h1 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 10px;
}

h2 {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
}

h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.lede {
    color: var(--muted);
    margin-bottom: 32px;
}

.note-text {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 20px;
}

.note-text strong {
    color: var(--text);
    font-weight: 600;
}

.warn-text {
    font-size: 14px;
    color: var(--warn);
    margin-bottom: 20px;
}

.danger-text {
    font-size: 14px;
    color: var(--danger);
    margin-bottom: 20px;
}

.warn-text strong,
.danger-text strong {
    font-weight: 600;
}

code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--subtle);
    border: 1px solid var(--border);
    padding: 1px 4px;
}

hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}

/* Form */

.field {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
}

.hint {
    font-size: 13px;
    color: var(--faint);
    margin-top: 6px;
}

.hint-center {
    text-align: center;
}

textarea,
select,
input[type="text"] {
    width: 100%;
    font-family: inherit;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background: #ffffff;
    border: 1px solid var(--border-dark);
    border-radius: 4px;
    padding: 10px 12px;
}

textarea {
    display: block;
    min-height: 180px;
    resize: vertical;
}

textarea::placeholder {
    color: var(--faint);
}

textarea:focus,
select:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--brand);
}

select {
    cursor: pointer;
}

input[type="text"][readonly] {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--subtle);
}

/* Character counter - hidden until the note nears the limit */

.char-counter {
    font-size: 13px;
    color: var(--muted);
    text-align: right;
    margin-top: 6px;
    font-variant-numeric: tabular-nums;
    display: none;
}

.char-counter.is-visible {
    display: block;
}

.char-counter.is-warning {
    color: var(--warn);
}

.char-counter.is-over {
    color: var(--danger);
}

/* Buttons */

.btn {
    display: inline-block;
    width: 100%;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    padding: 11px 16px;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
}

.btn + .btn {
    margin-top: 10px;
}

.btn-primary {
    background: var(--brand);
    border-color: var(--brand);
    color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
    background: #991b1b;
    border-color: #991b1b;
}

.btn-secondary {
    background: #ffffff;
    border-color: var(--border-dark);
    color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--subtle);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.feedback {
    display: block;
    font-size: 14px;
    color: var(--brand);
    margin-top: 8px;
}

/* Revealed note */

pre {
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    background: var(--subtle);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 14px;
    margin-bottom: 16px;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 55vh;
    overflow-y: auto;
}

/* Trust line */

.trust {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.trust div {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: var(--muted);
}

.trust svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    color: var(--brand);
}

/* Prose (About, Changelog) */

.prose p,
.prose ul,
.prose ol {
    margin-bottom: 16px;
    color: var(--muted);
}

.prose h2 {
    margin-top: 32px;
    color: var(--text);
}

.prose h3 {
    margin-top: 20px;
    color: var(--text);
}

.prose strong {
    color: var(--text);
    font-weight: 600;
}

.prose ul,
.prose ol {
    padding-left: 22px;
}

.prose li {
    margin-bottom: 6px;
}

/* Changelog */

.release {
    margin-bottom: 36px;
}

.release h2 {
    margin-top: 0;
    margin-bottom: 2px;
}

.release .date {
    display: block;
    font-size: 13px;
    color: var(--faint);
    margin-bottom: 12px;
}

.release ul {
    padding-left: 22px;
    color: var(--muted);
}

.release li {
    margin-bottom: 6px;
}

.release strong {
    color: var(--text);
    font-weight: 600;
}

/* Centered notice states (not found, incomplete link) */

.state {
    text-align: center;
    padding: 24px 0;
}

.state .note-text {
    max-width: 46ch;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 24px;
}

.state .btn {
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */

.site-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--border);
    padding: 20px 0;
}

.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 20px;
    font-size: 13px;
    color: var(--faint);
}

.site-footer a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 16px;
}

.site-footer nav a:first-child {
    margin-left: 0;
}

.site-footer a:hover {
    color: var(--text);
}

/* Utilities */

.hidden {
    display: none !important;
}

/* Responsive */

@media (max-width: 600px) {
    .site-header .container {
        height: 56px;
    }

    .site-nav {
        gap: 14px;
    }

    .site-nav a {
        font-size: 13px;
    }

    main {
        padding: 28px 0 48px;
    }

    h1 {
        font-size: 21px;
    }

    .trust {
        gap: 8px 16px;
    }

    .site-footer .container {
        flex-direction: column;
    }
}

@media (max-width: 380px) {
    .logo span {
        font-size: 15px;
    }

    .site-nav {
        gap: 10px;
    }

    .site-nav a {
        font-size: 12px;
    }
}