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

:root {
    --bg:        #0f1117;
    --surface:   #1a1d27;
    --border:    #2e3147;
    --accent:    #5b7fff;
    --accent-hover: #7b9bff;
    --text:      #e2e4ef;
    --muted:     #9aa0c0;
    --success:   #3ecf8e;
    --error:     #f56565;
    --radius:    10px;
    --font:      'Inter', system-ui, -apple-system, sans-serif;
    --mono:      'JetBrains Mono', 'Fira Code', monospace;
    --btn-secondary-hover: #3a3e57;
}

[data-theme="light"] {
    --bg:        #f0f2f8;
    --surface:   #ffffff;
    --border:    #d0d5e8;
    --accent:    #4a6cf7;
    --accent-hover: #6a8cff;
    --text:      #1a1d2e;
    --muted:     #8890b8;
    --success:   #2ea872;
    --error:     #e53e3e;
    --btn-secondary-hover: #e0e3f0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 48px 16px;
}

.container {
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* Page header with language switcher */

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.title-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-logo {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding-top: 4px;
}

.lang-sep {
    color: var(--muted);
    font-size: 13px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 5px;
}

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

.lang-btn.active {
    border-color: var(--accent);
    color: var(--accent);
}

.help-btn {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.help-btn:hover {
    background: var(--accent);
    color: #fff;
}

.theme-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 14px;
    padding: 3px 8px;
    border-radius: 5px;
    cursor: pointer;
    line-height: 1;
    transition: border-color 0.15s, color 0.15s;
}

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

/* Help modal — uses global .modal-backdrop, .modal, .modal-header, .modal-body from ../../assets/style.css */

/* Copyright footer — styles live in ../../assets/nav.css */

h1 {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

h1 .arrow {
    color: var(--accent);
}


.subtitle {
    color: var(--muted);
    font-size: 14px;
    margin-top: 6px;
}

.subtitle code {
    font-family: var(--mono);
    background: var(--border);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 13px;
}

/* Form */

form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 26px;
}

label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.2px;
}

input[type="text"],
input[type="number"],
input[type="password"],
select,
textarea {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    padding: 10px 14px;
    transition: border-color 0.15s;
    outline: none;
    width: 100%;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7099' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

/* .form-field on select: restore dropdown arrow (specificity win over .form-field background shorthand) */
select.form-field {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7099' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px !important;
}

textarea {
    font-family: var(--mono);
    font-size: 13px;
    resize: none;
    overflow: hidden;
}

input:focus,
textarea:focus {
}

input:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown) {
    border-color: var(--error);
}

/* Buttons */

button {
    cursor: pointer;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 7px;
    padding: 10px 20px;
    transition: background 0.15s, color 0.15s;
}

button.secondary {
    background: var(--border);
    color: var(--muted);
}

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

/* Toggle checkbox row */

.toggle-row {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    width: fit-content;
}

.toggle-row input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

.toggle-label {
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
}

.result-close {
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    opacity: 0.6;
    padding: 0;
}

.result-close:hover {
    opacity: 1;
}

/* Error */

.error-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 999;
    animation: fade-in 0.15s ease;
}

.error {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: #2d1a1a;
    border: 1px solid #6b2a2a;
    border-radius: var(--radius);
    padding: 24px 28px;
    color: var(--error);
    font-size: 15px;
    line-height: 1.5;
    max-width: 480px;
    width: calc(100% - 40px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
    animation: modal-in 0.18s ease;
}

@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes modal-in {
    from { opacity: 0; transform: translate(-50%, -52%); }
    to   { opacity: 1; transform: translate(-50%, -50%); }
}

.error-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    opacity: 0.6;
    padding: 0;
    margin-left: auto;
}

.error-close:hover {
    opacity: 1;
}

/* Utility */

.hidden {
    display: none !important;
}

/* ============================================================
   Mobile (≤ 600px)
   ============================================================ */

@media (max-width: 600px) {
    body {
        padding: 20px 12px 24px;
    }

    .container {
        gap: 20px;
    }

    /* Header: stack title and controls vertically */
    .page-header {
        flex-direction: column;
        gap: 10px;
    }

    h1 {
        font-size: 20px;
    }

    .site-logo {
        width: 36px;
        height: 36px;
    }

    .lang-switcher {
        padding-top: 0;
    }

    /* Form */
    form {
        padding: 16px;
        gap: 20px;
    }

    /* Prevent iOS auto-zoom on input focus (requires font-size ≥ 16px) */
    input[type="text"],
    input[type="number"],
    input[type="password"],
    select,
    textarea {
        font-size: 16px;
    }

    input::placeholder,
    textarea::placeholder {
        font-size: 13px;
    }

    .error {
        width: calc(100% - 24px);
        padding: 16px 20px;
        font-size: 14px;
        gap: 12px;
    }

    /* Generator mobile */
    .gen-row-split {
        flex-direction: column;
    }

    .result-action-btn {
        flex: 1;
    }

    /* Password/Passphrase/PIN: buttons stacked vertically, centered */
    .pw-actions {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    .pw-actions .result-action-btn {
        width: 80%;
        max-width: 260px;
        flex: none;
    }

    /* SSH/GPG: footer stacks — actions centered, download below */
    .ssh-footer {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    .ssh-footer-side:not(.ssh-footer-right) {
        display: none;
    }
    .ssh-footer-right {
        display: flex;
        justify-content: center;
    }
    .ssh-actions {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    /* Create + Clear in one row, Verify wraps below */
    .ssh-actions .ssh-btn {
        flex-shrink: 0;
    }
    #ssh-verify-open {
        flex-basis: 100%;
        max-width: 200px;
        text-align: center;
    }
    /* Download + Clear row for SSH */
    .ssh-footer-right .ssh-btn {
        flex-shrink: 0;
    }

}

/* ============================================================
   Generator
   ============================================================ */

/* Tabs — uses global .site-tabs, .site-tab from ../../assets/style.css */

/* Panel */

.gen-panel {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    border-top: 1px solid var(--border);
}

/* Form rows */

.gen-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gen-row-split {
    display: flex;
    flex-direction: row;
    gap: 16px;
    align-items: flex-end;
}

.gen-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gen-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.2px;
}

.gen-input {
    /* inherits from input[type="text"] base styles */
}

/* Slider + number */

.slider-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.slider-input {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    outline: none;
    border: none !important;
    padding: 0 !important;
    width: auto !important;
    cursor: pointer;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: background 0.15s;
}

.slider-input::-webkit-slider-thumb:hover {
    background: var(--accent-hover);
}

.slider-input::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.num-input {
    width: 72px !important;
    text-align: center !important;
    padding: 8px 6px !important;
    flex-shrink: 0;
}

/* Options checkboxes */

.opts-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
}

/* Strength indicator */

.strength-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.strength-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    flex-shrink: 0;
}

.strength-bar {
    flex: 1;
    display: flex;
    gap: 4px;
}

.strength-seg {
    flex: 1;
    height: 5px;
    border-radius: 3px;
    background: var(--border);
    transition: background 0.25s;
}

.strength-seg.active {
    background: var(--strength-color, var(--accent));
}

.strength-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    min-width: 72px;
    text-align: right;
    transition: color 0.25s;
}

/* Result area */

.result-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.result-input {
    font-family: var(--mono) !important;
    font-size: 15px !important;
    letter-spacing: 0.04em;
}

.result-action-btn {
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 7px;
    white-space: nowrap;
    background: var(--accent);
    color: #fff;
    border: none;
    transition: background 0.15s;
    flex-shrink: 0;
}

.result-action-btn:hover {
    background: var(--accent-hover);
}

.result-action-btn.secondary {
    background: var(--border);
    color: var(--muted);
}

.result-action-btn.secondary:hover {
    background: var(--btn-secondary-hover);
    color: var(--text);
}

/* Password result list */

.pw-actions {
    display: flex;
    gap: 8px;
}

.pw-actions .result-action-btn {
    flex: 1;
}

.pw-result-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pw-result-num {
    min-width: 2ch;
    text-align: right;
    font-size: 0.75rem;
    color: var(--muted);
    user-select: none;
    flex-shrink: 0;
}

.pw-result-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pw-result-row .result-input {
    flex: 1;
    min-width: 0;
}

.pw-copy-btn {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
    background: none !important;
    color: var(--muted) !important;
    border: 1px solid var(--border) !important;
    border-radius: 7px;
    transition: border-color 0.15s, color 0.15s;
}

.pw-copy-btn:hover {
    border-color: var(--accent) !important;
    color: var(--accent) !important;
}

.pw-copy-btn.copied {
    border-color: #3ecf8e !important;
    color: #3ecf8e !important;
}

/* SSH key result */

.ssh-result {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ssh-key-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ssh-key-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ssh-key-textarea {
    width: 100%;
    font-family: var(--mono);
    font-size: 11px;
    line-height: 1.55;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--text);
    padding: 10px 12px;
    resize: vertical;
    outline: none;
    field-sizing: content;
    max-height: 380px;
    overflow-y: auto;
}

.ssh-key-textarea:focus {
}

/* SSH footer (centered actions + right-side download) */

.ssh-footer {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ssh-footer-side {
    flex: 1;
}

.ssh-footer-right {
    display: flex;
    justify-content: flex-end;
}

.ssh-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.ssh-btn {
    padding: 7px 16px;
    font-size: 12px;
    font-weight: 600;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
    transition: background 0.15s;
}

.ssh-btn:hover {
    background: var(--accent-hover);
}

.ssh-btn--muted {
    background: var(--border);
    color: var(--muted);
}

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


/* Verify SSH Key Pair modal */

.ssh-verify-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 620px;
    width: calc(100% - 40px);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
    animation: modal-in 0.18s ease;
}

.ssh-verify-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    flex-shrink: 0;
}

.ssh-verify-body {
    padding: 18px 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ssh-verify-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ssh-verify-field--pass {
    margin-top: 4px;
}

.ssh-verify-field-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ssh-upload-btn {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--border);
    color: var(--muted);
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    user-select: none;
}

.ssh-upload-btn:hover {
    background: var(--btn-secondary-hover);
    color: var(--text);
}

.ssh-verify-result {
    padding: 10px 14px;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
}

.ssh-verify-result.match {
    background: rgba(62, 207, 142, 0.12);
    border: 1px solid var(--success);
    color: var(--success);
}

.ssh-verify-result.no-match {
    background: rgba(245, 101, 101, 0.12);
    border: 1px solid var(--error);
    color: var(--error);
}

.ssh-verify-result.warn {
    background: rgba(236, 201, 75, 0.12);
    border: 1px solid #ecc94b;
    color: #ecc94b;
}

/* Copy-all modal */

.copy-all-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 420px;
    max-width: calc(100vw - 32px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
    animation: modal-in 0.18s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.copy-all-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
}

.copy-all-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
}

.copy-all-text {
    resize: none;
    font-family: var(--mono) !important;
    font-size: 14px !important;
    min-height: 80px;
    max-height: 320px;
    overflow-y: auto;
}

/* ============================================================
   Mobile overrides for generator (must come after base styles)
   ============================================================ */

@media (max-width: 600px) {
    /* Tabs: wrap into 3 + 2 rows so all 5 fit on screen */
    .site-tab:nth-child(-n+3) {
        flex: 0 0 33.333%;
        border-bottom: 1px solid var(--border);
    }
    .site-tab:nth-child(n+4) {
        flex: 0 0 50%;
    }

    /* Panel: reduce padding so content doesn't overflow */
    .gen-panel {
        padding: 18px 14px;
        gap: 16px;
    }
}