/* ── Design tokens ───────────────────────────────────────────── */
:root {
    --color-bg: #F7F7F5;
    --color-surface: #FFFFFF;
    --color-primary: #3B82F6;
    --color-success: #22C55E;
    --color-text: #1F2937;
    --color-text-muted: #6B7280;
    --color-border: #E5E7EB;
    /* Bootstrap overrides */
    --bs-primary: #3B82F6;
    --bs-primary-rgb: 59, 130, 246;
    --bs-success: #22C55E;
    --bs-success-rgb: 34, 197, 94;
    --bs-body-bg: #F7F7F5;
    --bs-body-color: #1F2937;
    --bs-secondary-color: #6B7280;
    --bs-border-color: #E5E7EB;
    --bs-link-color: #3B82F6;
    --bs-link-hover-color: #2563EB;
}

/* ── Base ─────────────────────────────────────────────────────── */
body {
    background-color: var(--color-bg);
    color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text);
}

/* ── Navbar ───────────────────────────────────────────────────── */
.app-navbar {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

    .app-navbar .navbar-brand {
        color: var(--color-text);
        font-weight: 700;
    }

        .app-navbar .navbar-brand:hover {
            color: var(--color-primary);
        }

    .app-navbar .nav-link {
        color: var(--color-text-muted);
    }

        .app-navbar .nav-link:hover,
        .app-navbar .nav-link.active {
            color: var(--color-primary);
        }

    .app-navbar .navbar-toggler {
        border-color: var(--color-border);
    }

    .app-navbar .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F2937' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

/* ── Navbar logo ──────────────────────────────────────────────── */
.navbar-logo {
    height: 40px;
    width: auto;
}


/* ── Page heading logo ────────────────────────────────────────── */
.page-logo {
    height: 96px;
    width: auto;
}

/* ── Puzzle input & buttons ───────────────────────────────────── */
.solve-input {
    font-size: 1.25rem;
    padding: 0.75rem;
    border-color: var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
}

    .solve-input:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
    }

.solve-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

/* ── Word definition links ────────────────────────────────────── */
.word-link {
    color: var(--color-text);
    text-decoration: none;
    cursor: pointer;
}

    .word-link:hover {
        color: var(--color-primary);
        text-decoration: underline;
    }

/* ── Results ──────────────────────────────────────────────────── */
.result-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
}

.result-group-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid var(--color-border);
}

    .result-group-header:first-child {
        margin-top: 0;
    }

.badge-score {
    font-size: 0.75rem;
    padding: 0.3em 0.6em;
    border-radius: 999px;
    background-color: var(--color-primary);
    color: #fff;
}

/* ── Wordle letter grid ───────────────────────────────────────── */
.letter-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

    .letter-grid input {
        width: 40px;
        height: 40px;
        text-align: center;
        font-size: 1.1rem;
        text-transform: uppercase;
        padding: 0;
        border-color: var(--color-border);
        background-color: var(--color-surface);
        color: var(--color-text);
    }

        .letter-grid input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
        }

/* ── Site footer ──────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 1.25rem 0;
    background-color: var(--color-surface);
}

/* ── Privacy modal trigger (button styled as inline link) ─────── */
.privacy-modal-link {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    vertical-align: baseline;
    font-size: inherit;
    color: var(--color-primary);
    text-decoration: underline;
}

.privacy-modal-link:hover {
    text-decoration: none;
}

.footer-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
}

    .footer-link:hover {
        color: var(--color-primary);
        text-decoration: underline;
    }

/* ── Settings gear ────────────────────────────────────────────── */
.config-gear {
    background: none;
    border: none;
    color: #374151;
    font-size: 2.4rem;
    cursor: pointer;
    padding: 0 0.25rem;
    line-height: 1;
}

    .config-gear:hover {
        color: var(--color-primary);
    }

/* ── Help toggle button ───────────────────────────────────────── */
.btn-help-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid #6c757d;
    background: none;
    color: #6c757d;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.btn-help-toggle:hover {
    background-color: #6c757d;
    color: #fff;
}

/* ── Modal backdrop ───────────────────────────────────────────── */
.modal-backdrop-custom {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1040;
}

/* ── Bootstrap form overrides ─────────────────────────────────── */
.form-control,
.form-select {
    border-color: var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
}

    .form-control:focus,
    .form-select:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
    }

.btn-primary {
    --bs-btn-bg: #3B82F6;
    --bs-btn-border-color: #3B82F6;
    --bs-btn-hover-bg: #2563EB;
    --bs-btn-hover-border-color: #2563EB;
    --bs-btn-active-bg: #1D4ED8;
}

.btn-success {
    --bs-btn-bg: #22C55E;
    --bs-btn-border-color: #22C55E;
    --bs-btn-hover-bg: #16A34A;
    --bs-btn-hover-border-color: #16A34A;
    --bs-btn-active-bg: #15803D;
}

.btn-outline-primary {
    --bs-btn-color: #3B82F6;
    --bs-btn-border-color: #3B82F6;
    --bs-btn-hover-bg: #3B82F6;
    --bs-btn-hover-border-color: #3B82F6;
}

/* ── Blazor validation ────────────────────────────────────────── */
h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid #EF4444;
}

.validation-message {
    color: #EF4444;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }