:root {
    --background-color: #1f1f1f;
    --default-color: #d4d4d4;
    --heading-color: #9cdcfe;
    --accent-color: #ce9178;
    --surface-color: #232323;
    --surface-elevated: #2c2c2c;
    --contrast-color: #310606;
    --border-color: rgba(212, 212, 212, 0.12);
    --shadow-color: rgba(0, 0, 0, 0.35);
    --bs-body-font-family: "Roboto", system-ui, sans-serif;
    --bs-border-radius: 1rem;
    --bs-border-radius-lg: 1.5rem;
    --bs-primary: #ce9178;
    --bs-primary-rgb: 206, 145, 120;
    --bs-body-color: var(--default-color);
    --bs-body-bg: var(--background-color);
    --bs-heading-color: var(--heading-color);
    --bs-secondary-bg: var(--surface-color);
    --bs-border-color: var(--border-color);
}

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

body {
    position: relative;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--default-color);
    background:
        radial-gradient(circle at top left, rgba(86, 156, 214, 0.18), transparent 32%),
        radial-gradient(circle at bottom right, rgba(206, 145, 120, 0.16), transparent 28%),
        linear-gradient(180deg, #191919 0%, #1f1f1f 100%);
    font-family: "Roboto", system-ui, sans-serif;
    overflow-x: hidden;
}

body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 999px;
    pointer-events: none;
    z-index: 0;
}

body::before {
    top: 8%;
    left: -4rem;
    width: 14rem;
    height: 14rem;
    background: radial-gradient(circle, rgba(86, 156, 214, 0.24), transparent 70%);
}

body::after {
    right: -3rem;
    bottom: 10%;
    width: 16rem;
    height: 16rem;
    background: radial-gradient(circle, rgba(206, 145, 120, 0.18), transparent 72%);
}

a {
    color: inherit;
}

.app-shell {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    padding: 2rem 0;
    z-index: 1;
}

.generator-panel {
    position: relative;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 1.75rem;
    background: linear-gradient(180deg, rgba(44, 44, 44, 0.96), rgba(35, 35, 35, 0.96));
    box-shadow: 0 24px 60px var(--shadow-color);
    backdrop-filter: blur(14px);
}

.display-title {
    margin: 0 0 0.85rem;
    color: #569cd6;
    font-family: "Ubuntu", sans-serif;
    font-size: clamp(2.1rem, 5vw, 3.35rem);
    font-weight: 700;
    line-height: 1.05;
}

.lead-copy {
    max-width: 36rem;
    color: rgba(212, 212, 212, 0.86);
    font-size: 1rem;
    line-height: 1.7;
}

.settings-section {
    padding: 1.15rem;
    border: 1px solid rgba(212, 212, 212, 0.08);
    border-radius: 1.25rem;
    background-color: rgba(31, 31, 31, 0.42);
}

.section-heading {
    margin-bottom: 1rem;
}

.section-title {
    margin: 0 0 0.35rem;
    color: var(--heading-color);
    font-family: "Ubuntu", sans-serif;
    font-size: 1.1rem;
    font-weight: 500;
}

.section-copy {
    color: rgba(212, 212, 212, 0.68);
    font-size: 0.94rem;
    line-height: 1.55;
}

.form-label {
    margin-bottom: 0.65rem;
    color: var(--heading-color);
    font-weight: 500;
}

.form-select,
.form-control {
    min-height: 3.25rem;
    border: 1px solid rgba(212, 212, 212, 0.12);
    background-color: rgba(31, 31, 31, 0.96);
    color: var(--default-color);
    border-radius: 1rem;
    padding: 0.8rem 1rem;
}

.form-select:focus,
.form-control:focus {
    border-color: rgba(206, 145, 120, 0.8);
    box-shadow: 0 0 0 0.25rem rgba(206, 145, 120, 0.16);
    background-color: rgba(31, 31, 31, 0.96);
    color: var(--default-color);
}

.form-select option {
    color: rgba(212, 212, 212, 0.96);
    background-color: rgba(31, 31, 31, 0.98);
}

.option-tile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border: 1px solid rgba(212, 212, 212, 0.08);
    border-radius: 1.15rem;
    background-color: rgba(159, 220, 254, 0.04);
}

.option-title {
    color: var(--heading-color);
    font-weight: 500;
}

.option-copy {
    color: rgba(212, 212, 212, 0.72);
    font-size: 0.95rem;
    line-height: 1.55;
}

.form-check.form-switch .form-check-input {
    width: 2.5rem;
    height: 1.5rem;
    border-color: rgba(206, 145, 120, 0.8);
    background-color: rgba(58, 58, 58, 0.96);
    box-shadow: none;
}

.form-check.form-switch .form-check-input:focus {
    border-color: rgba(206, 145, 120, 0.8);
    box-shadow: 0 0 0 0.25rem rgba(206, 145, 120, 0.16);
}

.form-check.form-switch .form-check-input:checked {
    border-color: rgba(206, 145, 120, 0.95);
    background-color: var(--accent-color);
}

.action-button {
    min-height: 3.35rem;
    padding: 0.9rem 1.35rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, #ce9178, #dea38b);
    color: var(--contrast-color);
    font-weight: 700;
    letter-spacing: 0.01em;
    box-shadow: 0 14px 30px rgba(206, 145, 120, 0.2);
}

.action-button:hover,
.action-button:focus {
    color: var(--contrast-color);
    background: linear-gradient(135deg, #d79b81, #e4ac96);
}

.action-button:disabled {
    opacity: 0.7;
    box-shadow: none;
}

.status-message {
    min-height: 3.4rem;
    padding: 1rem 1.1rem;
    border: 1px solid rgba(156, 220, 254, 0.15);
    border-radius: 1rem;
    background-color: rgba(86, 156, 214, 0.08);
    color: var(--heading-color);
    line-height: 1.5;
}

.status-message.is-error {
    border-color: rgba(206, 145, 120, 0.32);
    background-color: rgba(206, 145, 120, 0.12);
    color: #ffd7c9;
}

.status-message.is-success {
    border-color: rgba(156, 220, 254, 0.24);
    background-color: rgba(86, 156, 214, 0.14);
    color: #cfefff;
}

.app-footer {
    padding: 0 0 2rem;
    position: relative;
    z-index: 1;
}

.footer-copy {
    text-align: center;
    color: rgba(212, 212, 212, 0.64);
    font-size: 0.95rem;
}

.footer-link {
    color: var(--heading-color);
    text-decoration: none;
}

.footer-link:hover,
.footer-link:focus {
    color: var(--accent-color);
}

@media (max-width: 767.98px) {
    .app-shell {
        padding: 1.25rem 0;
    }

    .generator-panel {
        padding: 1.4rem;
        border-radius: 1.35rem;
    }

    .option-tile {
        align-items: flex-start;
    }

    .app-footer {
        padding: 0 0 1.25rem;
    }
}