/* ===========================================================================
   PasswordAutoGen — "Modern Password Generator" design (light + dark)
   Integrated from the Stitch design. Dark mode is driven by the `.dark`
   class on `.pg-root`, toggled from the Blazor layout.
   =========================================================================== */

.pg-root {
    /* Light theme tokens (defaults) */
    --pg-bg: #f8fafc;
    --pg-header-bg: #ffffff;
    --pg-border: #e2e8f0;
    --pg-border-soft: #f1f5f9;
    --pg-card: #ffffff;
    --pg-card-border: #eef2ff;
    --pg-text: #1e293b;
    --pg-heading: #0f172a;
    --pg-muted: #64748b;
    --pg-primary: #4f86f7;
    --pg-primary-hover: #2563eb;
    --pg-primary-shadow: rgba(79, 134, 247, 0.30);
    --pg-output-bg: #f8fafc;
    --pg-chip-bg: #f9fafb;
    --pg-slider-track: #e2e8f0;
    --pg-toggle-bg: #f1f5f9;
    --pg-toggle-active: #ffffff;
    --pg-card-shadow: 0 20px 35px -12px rgba(37, 99, 235, 0.15);

    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--pg-bg);
    color: var(--pg-text);
}

.pg-root.dark {
    --pg-bg: #0f172a;
    --pg-header-bg: #0f172a;
    --pg-border: #334155;
    --pg-border-soft: #1e293b;
    --pg-card: #1e293b;
    --pg-card-border: #334155;
    --pg-text: #f8fafc;
    --pg-heading: #ffffff;
    --pg-muted: #94a3b8;
    --pg-primary: #3b82f6;
    --pg-primary-hover: #2563eb;
    --pg-primary-shadow: rgba(59, 130, 246, 0.35);
    --pg-output-bg: #0f172a;
    --pg-chip-bg: #0f172a;
    --pg-slider-track: #334155;
    --pg-toggle-bg: #1e293b;
    --pg-toggle-active: #334155;
    --pg-card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.55);
}

/* ------------------------------- Header ---------------------------------- */
.pg-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background-color: var(--pg-header-bg);
    border-bottom: 1px solid var(--pg-border-soft);
}

@media (min-width: 768px) {
    .pg-header { padding: 1rem 3rem; }
}

.pg-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: inherit;
}

.pg-logo-badge {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background-color: var(--pg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pg-logo-badge svg { width: 1.25rem; height: 1.25rem; color: #ffffff; }

.pg-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--pg-heading);
}

.pg-actions { display: flex; align-items: center; gap: 1rem; }

/* Language selector */
.pg-select-wrap { position: relative; }

.pg-select {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--pg-header-bg);
    color: var(--pg-text);
    border: 1px solid var(--pg-border);
    border-radius: 0.5rem;
    padding: 0.4rem 2rem 0.4rem 0.75rem;
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    outline: none;
}

.pg-select:focus { border-color: var(--pg-primary); box-shadow: 0 0 0 3px var(--pg-primary-shadow); }

.pg-select-arrow {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    padding: 0 0.5rem;
    pointer-events: none;
    color: var(--pg-muted);
}
.pg-select-arrow svg { width: 1rem; height: 1rem; }

/* Theme toggle pill */
.pg-theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background-color: var(--pg-toggle-bg);
    padding: 0.25rem;
    border-radius: 9999px;
    border: 1px solid var(--pg-border-soft);
}

.pg-theme-btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: 9999px;
    cursor: pointer;
    color: var(--pg-muted);
    transition: background-color 0.2s, color 0.2s;
}
.pg-theme-btn svg { width: 1rem; height: 1rem; }
.pg-theme-btn.active {
    background-color: var(--pg-toggle-active);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
.pg-root:not(.dark) .pg-theme-btn.active { color: #f59e0b; }
.pg-root.dark .pg-theme-btn.active { color: #ffffff; }

/* -------------------------------- Main ----------------------------------- */
.pg-main {
    flex: 1 1 auto;
    width: 100%;
    max-width: 64rem;
    margin: 0 auto;
    padding: 3rem 1rem;
}
@media (min-width: 768px) {
    .pg-main { padding: 4rem 1rem; }
}

.pg-hero { text-align: center; margin-bottom: 3rem; }
.pg-hero-brand {
    font-size: 2.25rem;
    line-height: 1.1;
    font-weight: 700;
    color: var(--pg-heading);
    margin: 0 0 0.75rem;
}
@media (min-width: 768px) { .pg-hero-brand { font-size: 3rem; } }
.pg-hero-tagline {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--pg-muted);
    margin: 0;
}

/* ------------------------------ Cards ------------------------------------ */
.pg-card {
    background-color: var(--pg-card);
    border: 1px solid var(--pg-card-border);
    border-radius: 1.5rem;
    box-shadow: var(--pg-card-shadow);
    padding: 2rem;
}
@media (min-width: 768px) { .pg-card { padding: 2.5rem; } }

.pg-generator { margin-bottom: 5rem; }

.pg-options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
@media (min-width: 768px) {
    .pg-options-grid { grid-template-columns: 1fr 1fr; }
}

.pg-check {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    color: var(--pg-muted);
    transition: color 0.2s;
}
.pg-check:hover { color: var(--pg-heading); }
.pg-check input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 0.25rem;
    accent-color: var(--pg-primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* Length slider */
.pg-slider { margin-bottom: 2.5rem; }
.pg-slider-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}
.pg-slider-label { font-weight: 500; color: var(--pg-text); }
.pg-slider-value {
    background-color: var(--pg-chip-bg);
    border: 1px solid var(--pg-border);
    padding: 0.4rem 1rem;
    border-radius: 0.5rem;
    font-weight: 700;
    color: var(--pg-primary);
    font-variant-numeric: tabular-nums;
}

.pg-range { -webkit-appearance: none; appearance: none; width: 100%; background: transparent; cursor: pointer; }
.pg-range:focus { outline: none; }
.pg-range::-webkit-slider-runnable-track { height: 8px; border-radius: 4px; background: var(--pg-slider-track); }
.pg-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    margin-top: -8px;
    height: 24px;
    width: 24px;
    border-radius: 50%;
    background: var(--pg-primary);
    border: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}
.pg-range::-moz-range-track { height: 8px; border-radius: 4px; background: var(--pg-slider-track); }
.pg-range::-moz-range-thumb {
    height: 24px;
    width: 24px;
    border: none;
    border-radius: 50%;
    background: var(--pg-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

/* Output + actions */
.pg-output-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
@media (min-width: 1024px) {
    .pg-output-row { flex-direction: row; }
}
.pg-output {
    width: 100%;
    background-color: var(--pg-output-bg);
    border: 1px solid var(--pg-border);
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 1.25rem;
    color: var(--pg-text);
    letter-spacing: 0.05em;
    outline: none;
}
@media (min-width: 768px) { .pg-output { font-size: 1.5rem; } }
.pg-output::placeholder { color: var(--pg-muted); font-family: 'Inter', sans-serif; font-size: 1rem; letter-spacing: normal; }

.pg-output-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-width: 280px;
}

.pg-btn {
    font-family: inherit;
    font-weight: 700;
    border: none;
    cursor: pointer;
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s, transform 0.05s;
}
.pg-btn:active { transform: translateY(1px); }
.pg-btn-primary {
    background-color: var(--pg-primary);
    color: #ffffff;
    box-shadow: 0 10px 15px -3px var(--pg-primary-shadow);
}
.pg-btn-primary:hover { background-color: var(--pg-primary-hover); }
.pg-btn-block { width: 100%; }
.pg-btn-sm { padding: 0.7rem 1.5rem; }

.pg-error { color: #ef4444; margin: 1rem 0 0; font-size: 0.9rem; }

/* ---------------------------- Managers ----------------------------------- */
.pg-managers { margin-bottom: 5rem; }
.pg-section-title {
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
    color: var(--pg-heading);
    margin: 0 0 3rem;
}
.pg-managers-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
@media (min-width: 768px) {
    .pg-managers-grid { grid-template-columns: repeat(3, 1fr); }
}
.pg-manager-card {
    background-color: var(--pg-card);
    border: 1px solid var(--pg-card-border);
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.pg-manager-logo {
    height: 3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pg-manager-logo img { max-height: 3rem; max-width: 100%; object-fit: contain; }
.pg-manager-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pg-heading);
    margin: 0 0 1rem;
}
.pg-manager-desc {
    color: var(--pg-muted);
    font-size: 0.875rem;
    line-height: 1.6;
    flex-grow: 1;
    margin: 0 0 2rem;
}

/* ------------------------------ Info ------------------------------------- */
.pg-info {
    max-width: 56rem;
    margin: 0 auto 4rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}
.pg-info-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pg-heading);
    margin: 0 0 1rem;
}
.pg-info-text { color: var(--pg-muted); line-height: 1.7; margin: 0; }
.pg-info-text strong { color: var(--pg-heading); }
.pg-tips {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    color: var(--pg-muted);
    line-height: 1.6;
}

/* ----------------------------- Footer ------------------------------------ */
.pg-footer {
    border-top: 1px solid var(--pg-border-soft);
    padding: 2rem 1rem;
    text-align: center;
    color: var(--pg-muted);
    font-size: 0.875rem;
}
.pg-footer p { margin: 0; }