/* --- Variables --- */
:root {
    --bg-main: #eef2f7;
    --bg-card: #ffffff;
    --bg-input: #f8f9fa;
    --border-color: #ced6e0;
    --text-primary: #2c3e50;
    --text-secondary: #4b6584;
    --color-check: #007bff;
    --color-perms: #28a745; /* Changed to Green */
    --color-go-btn: #2ecc71; /* Vibrant Green */
    --color-go-hover: #27ae60;
    --color-wildcard: #e67e22;
    --radius: 15px;
    --transition: 0.3s ease;
}

/* --- Base Styles --- */
body { 
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
    display: flex; 
    flex-direction: column;
    align-items: center; 
    background-color: var(--bg-main); 
    padding: 0; 
    margin: 0;
    height: 100vh;
    overflow: auto;
}

.container { 
    background: var(--bg-card); 
    padding: 20px 40px; 
    border-radius: 0 0 24px 24px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.1); 
    width: 100%; 
    max-width: 1000px; 
    text-align: center; 
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

h1 { 
    font-size: 2.2rem; 
    color: var(--text-primary); 
    margin: 10px 0;
    letter-spacing: 2px;
    /* text-transform: uppercase; */
}

/* --- Navigation Tabs --- */
.input-group { 
    display: flex; 
    flex-direction: column; 
    margin-bottom: 0;
}

.tab-row {
    display: flex;
    gap: 5px;
}

.tab {
    flex: 1;
    padding: 15px;
    font-size: 1.2rem; 
    font-weight: bold;
    cursor: pointer;
    border-radius: var(--radius) var(--radius) 0 0;
    background-color: #d1d8e0;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tab.active { color: white; }
#tabCheck.active { background-color: var(--color-check); }
#tabPerms.active { background-color: var(--color-perms); }

/* --- Integrated Search Row --- */
.search-row {
    display: flex;
    align-items: stretch; /* Makes all items same height */
    gap: 12px;
    padding: 20px;
    background-color: var(--bg-input);
    border: 3px solid var(--border-color);
    border-radius: 0 0 var(--radius) var(--radius);
}

#wordInput { 
    flex: 3; 
    padding: 15px 20px;
    font-size: 1.4rem;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    outline: none;
    transition: border-color var(--transition);
}

#wordInput:focus { border-color: var(--color-check); }

/* --- Refactored Go Button --- */
#goBtn {
    flex: 0.8;
    min-width: 100px;
    font-size: 1.3rem;
    font-weight: 800;
    color: white;
    background-color: var(--color-go-btn);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-transform: uppercase;
    transition: background-color var(--transition), transform 0.1s, box-shadow var(--transition);
    box-shadow: 0 4px 0px #219150; /* Button depth */
}

#goBtn:hover {
    background-color: var(--color-go-hover);
}

#goBtn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0px #219150;
}

#dictionarySelect { 
    flex: 1.2;
    padding: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    background-color: white;
}

/* --- Results Area --- */
#result { 
    flex: 1;
    overflow-y: auto;
    padding: 30px 40px;
    text-align: left;
}

.len-group h4 {
    font-size: 1.6rem;
    color: var(--text-secondary);
    border-bottom: 3px solid #eee;
    padding-bottom: 10px;
    margin-top: 30px;
}

/* --- Word Pills --- */
.valid-list { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 12px; 
    padding: 0; 
    list-style: none;
}

.valid-list li { 
    background: #f0f2f5; 
    padding: 10px 20px;
    border-radius: 12px; 
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: uppercase;
    border: 2px solid #dcdfe3;
    transition: all 0.2s ease;
    cursor: default;
}

.valid-list li:hover {
    background: white;
    transform: translateY(-4px);
    border-color: var(--color-check);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.valid-list li span.wildcard {
    color: var(--color-wildcard);
    font-weight: 900;
    text-decoration: underline;
}

/* --- Footer Info --- */
.info-box {
    background-color: #fff9db;
    border: 2px solid #ffec99;
    color: #856404;
    padding: 20px;
    margin: 20px 40px;
    border-radius: 15px;
    font-size: 1rem;
    text-align: left;
}


/* --- Toggle Button Style --- */
#expandBtn {
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0 10px;
    transition: transform 0.3s ease, background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}


#expandBtn:hover {
    background-color: #eee;
}

/* Rotate the arrow when open */
#expandBtn.open {
    transform: rotate(180deg);
    background-color: var(--border-color);
    color: white;
}

/* Dropdown Container (Collapsed by default) */
.extra-row {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
    background-color: var(--bg-input);
    border: 3px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 0 20px;
    display: flex;
    pointer-events: none;
}

.extra-row.show {
    max-height: 100px;
    opacity: 1;
    padding: 10px 20px 20px 20px;
    pointer-events: auto;
}

.search-row.no-bottom-radius {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}


#secondaryInput {
    flex: 1;
    padding: 10px 15px;
    font-size: 1.1rem;
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

#wordInput, #secondaryInput {
    text-transform: uppercase;
}
#wordInput::placeholder, #secondaryInput::placeholder {
    text-transform: none;
}

#result { 
    display: none; /* Hide by default */
    flex: 1;
    overflow-y: auto;
    padding: 20px 40px;
    text-align: left;
}

/* New class to show results only when needed */
#result.has-content {
    display: block;
}
.info-title {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: #5d4037; /* Darker brown/yellow for contrast */
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid rgba(133, 100, 4, 0.1);
    padding-bottom: 10px;
}

.info-box {
    background-color: #fff9db;
    border: 2px solid #ffec99;
    color: #856404;
    padding: 20px;
    margin: 20px 40px;
    border-radius: 15px;
    font-size: 1rem;
    text-align: left;
    /* Ensure no gap when result is hidden */
    display: none; 
}