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

:root {
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-surface-raised: #1a1a1a;
    --color-border: #2a2a2a;
    --color-border-hover: #454545;
    --color-text: #ededed;
    --color-text-muted: #9a9a9a;
    --color-text-faint: #6b6b6b;
    --color-accent: #ededed;
    --color-accent-ink: #0a0a0a;
    --color-danger: #ff7a7a;
    --color-danger-border: #6b2a2a;
    --color-danger-bg: #1f1414;

    --font-display: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono:
        ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

    --space-xxs: 4px;
    --space-xs: 6px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-base: 16px;
    --space-lg: 18px;
    --space-xl: 24px;
    --space-2xl: 30px;
    --space-3xl: 40px;
    --space-4xl: 60px;
    --space-5xl: 80px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

html,
body {
    height: 100%;
    width: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 24px;
    font-weight: 400;
    display: flex;
    flex-direction: column;
}

.container {
    display: flex;
    flex-direction: column;
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--space-base);
    flex: 1;
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-sm);
    padding: var(--space-2xl) 0 var(--space-2xl) 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
    color: inherit;
}

.brand-mark {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: var(--color-text);
}

h1 {
    font-family: var(--font-display);
    font-size: 44px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.5px;
    color: var(--color-text);
}

.tagline {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 400;
    line-height: 22px;
    color: var(--color-text-muted);
}

main {
    display: flex;
    flex-direction: column;
}

.card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    width: 100%;
}

.card > .btn {
    width: 100%;
}

#create-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group > label {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    line-height: 18px;
    letter-spacing: 0.2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    padding: var(--space-md) var(--space-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    background-color: var(--color-surface-raised);
    color: var(--color-text);
    transition: border-color 0.15s;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    height: 44px;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder,
textarea::placeholder {
    color: var(--color-text-faint);
}

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

textarea {
    resize: vertical;
    min-height: 150px;
    max-height: 500px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 22px;
}

textarea.error {
    border-color: var(--color-danger);
}

.char-count {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 400;
    line-height: 18px;
    letter-spacing: 0.2px;
    color: var(--color-text-faint);
    margin-top: var(--space-xxs);
    align-self: flex-end;
}

.form-row {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

.form-group.checkbox {
    flex-direction: column;
    padding-top: 26px;
}

.form-group.checkbox label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: 16px;
    font-family: var(--font-body);
    line-height: 24px;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    cursor: pointer;
}

input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border-hover);
    border-radius: 5px;
    background-color: var(--color-surface-raised);
    cursor: pointer;
    flex-shrink: 0;
    margin: 0;
    position: relative;
    transition:
        background-color 0.15s,
        border-color 0.15s;
}

input[type="checkbox"]:hover {
    border-color: var(--color-text-muted);
}

input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--color-text-muted);
    outline-offset: 2px;
}

input[type="checkbox"]:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid var(--color-accent-ink);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.hint {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 400;
    line-height: 18px;
    letter-spacing: 0.2px;
    color: var(--color-text-faint);
}

.btn {
    padding: 0 var(--space-xl);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    line-height: 18px;
    letter-spacing: 0.2px;
    cursor: pointer;
    transition:
        background-color 0.15s,
        border-color 0.15s,
        color 0.15s,
        opacity 0.15s;
    font-family: var(--font-body);
    background-color: var(--color-surface-raised);
    color: var(--color-text);
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.spinner {
    width: 15px;
    height: 15px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: var(--radius-full);
    opacity: 0.6;
    flex-shrink: 0;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn:hover {
    border-color: var(--color-text-muted);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-accent-ink);
    border-color: var(--color-accent);
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--color-text);
    border-color: var(--color-text);
    opacity: 0.9;
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border-hover);
}

.btn-secondary:hover {
    background-color: var(--color-surface-raised);
    border-color: var(--color-text-muted);
}

.btn-report {
    background-color: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger-border);
    font-size: 12px;
    padding: 0 var(--space-base);
    height: 36px;
}

.btn-report:hover {
    background-color: var(--color-danger-bg);
    border-color: var(--color-danger);
}

.input-group {
    display: flex;
    gap: var(--space-md);
    align-items: stretch;
}

.input-group input {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 13px;
}

.input-group .btn {
    flex-shrink: 0;
    width: 96px;
}

.alert {
    padding: var(--space-md) var(--space-base);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
    border: 1px solid var(--color-danger-border);
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 20px;
    text-align: center;
}

.card h2 {
    font-family: var(--font-display);
    margin-bottom: var(--space-xl);
    font-size: 22px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.3px;
    color: var(--color-text);
}

.share-info,
.expiry-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.share-info > p:first-child,
.expiry-info > p {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    color: var(--color-text-muted);
}

.expiry-info strong {
    font-weight: 500;
    color: var(--color-text);
    text-transform: none;
}

#one-time-note {
    font-family: var(--font-body);
    color: var(--color-danger);
    font-weight: 400;
    font-size: 13px;
    line-height: 18px;
    margin-top: var(--space-xs);
}

.sharing-tip {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background-color: var(--color-surface-raised);
    border-left: 2px solid var(--color-text-faint);
    border-radius: var(--radius-sm);
}

.sharing-tip p {
    font-family: var(--font-body);
    font-size: 12px;
    line-height: 18px;
    color: var(--color-text-faint);
    margin: 0;
}

.secret-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.secret-content pre {
    background-color: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-base);
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 22px;
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 400px;
    overflow-y: auto;
}

.meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.meta p {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--color-text-faint);
}

.secret-notice {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.secret-notice p {
    font-family: var(--font-body);
    font-size: 12px;
    line-height: 18px;
    color: var(--color-text-faint);
    margin: 0;
}

.report-link {
    background: none;
    border: none;
    padding: 0;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--color-danger);
    cursor: pointer;
    text-align: left;
    width: fit-content;
}

.report-link:hover {
    text-decoration: underline;
}

.report-link:disabled {
    color: var(--color-text-faint);
    cursor: default;
    text-decoration: none;
}

.custom-dropdown {
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 200px;
}

.dropdown-trigger {
    width: 100%;
    padding: var(--space-md) var(--space-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    background-color: var(--color-surface-raised);
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dropdown-trigger:hover {
    border-color: var(--color-border-hover);
}

.dropdown-trigger:focus {
    outline: none;
    border-color: var(--color-text-muted);
}

.dropdown-trigger::after {
    content: "";
    width: 9px;
    height: 9px;
    margin-left: var(--space-md);
    flex-shrink: 0;
    border-right: 2px solid var(--color-text-faint);
    border-bottom: 2px solid var(--color-text-faint);
    transform: rotate(45deg);
    transform-origin: center;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 0;
    right: 0;
    background-color: var(--color-surface-raised);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    max-height: 0;
    overflow: hidden;
    transition:
        max-height 0.2s,
        border-color 0.2s;
    box-shadow: none;
    visibility: hidden;
}

.dropdown-menu.drop-up {
    top: auto;
    bottom: calc(100% + var(--space-sm));
}

.dropdown-menu.open {
    max-height: 240px;
    border-color: var(--color-border);
    box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.5);
    visibility: visible;
}

.dropdown-item {
    padding: var(--space-md) var(--space-base);
    border: none;
    background-color: transparent;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.15s;
}

.dropdown-item:hover {
    background-color: var(--color-border);
}

.dropdown-item.active {
    color: var(--color-text);
    background-color: var(--color-border);
    border-left: 2px solid var(--color-accent);
    padding-left: calc(var(--space-base) - 2px);
}

.reveal-card {
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
}

.reveal-card p {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-text-muted);
    margin: 0;
}

.loading-text {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-3xl) 0;
}

footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    text-align: center;
    padding: var(--space-lg) 0 var(--space-lg) 0;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-text-faint);
}

.footer-legal {
    max-width: 480px;
    font-size: 13px;
    line-height: 16px;
    opacity: 0.7;
}

.form-disclaimer {
    font-size: 12px;
    line-height: 16px;
    color: var(--color-text-faint);
    text-align: center;
    margin-top: var(--space-sm);
    padding: 0px 20px;
}

.link-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    font: inherit;
    text-decoration: underline;
    transition: color 0.15s;
}

.link-btn:hover {
    color: var(--color-text);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--space-base);
}

.modal-content {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: var(--space-base);
    right: var(--space-base);
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal h2 {
    font-size: 22px;
    margin-bottom: var(--space-xl);
    margin-top: 0;
}

.modal h3 {
    font-size: 16px;
    font-weight: 600;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.modal p {
    font-size: 14px;
    line-height: 20px;
    margin: 0;
}

.modal-body {
    color: var(--color-text-muted);
}

.modal-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.modal-actions .btn {
    flex: 1;
}

.btn-report-confirm {
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger);
}

.btn-report-confirm:hover {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: var(--color-bg);
}

.btn-report-confirm:disabled {
    opacity: 0.6;
    cursor: default;
}

.hidden {
    display: none !important;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.passphrase-gate {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-lg);
}

.passphrase-gate h2 {
    font-size: 22px;
    margin: 0;
}

.passphrase-gate .form-group {
    width: 100%;
}

#passphrase-input {
    width: 100%;
    font-family: var(--font-body);
}

.passphrase-error {
    color: var(--color-danger);
    font-size: 14px;
    line-height: 20px;
    text-align: center;
}

@media (max-width: 640px) {
    header {
        padding: var(--space-3xl) 0 var(--space-xl) 0;
    }

    h1 {
        font-size: 36px;
    }

    .card {
        padding: var(--space-lg);
    }

    .form-row {
        flex-direction: column;
        gap: var(--space-xl);
        align-items: stretch;
    }

    .form-row .form-group {
        width: 100%;
    }

    .form-group.checkbox {
        padding-top: 0;
    }

    .custom-dropdown {
        width: 100%;
    }

    .input-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}