/* --- Theme Variables --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

/* Default (Light) Theme */
:root {
    --primary: #0a7c36;
    --background: #f4f7f8;
    --text-color: #222;
    --card-bg: white;
    --border-color: #e5e7eb;
    --accent: #222;
}

/* Dark Theme */
.dark {
    --background: #1f2937;
    --text-color: #f3f4f6;
    --card-bg: #374151; /* Reverted to the original dark card color */
    --border-color: #4b5563;
    --accent: #f3f4f6;
}

/* --- Global Styles using Variables --- */
body { 
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s;
}

header { 
    background: var(--card-bg); 
}

/* This rule forces bg-white elements to use the card background variable */
.bg-white { 
    background-color: var(--card-bg) !important; 
}

.border-gray-100, .border-gray-200 { 
    border-color: var(--border-color); 
}

/* FIX: This rule uses !important to override Tailwind's default light-mode text colors, 
   ensuring the text remains readable on dark card backgrounds. */
.text-gray-800, 
.text-gray-700, 
.text-gray-600, 
.text-gray-500 { 
    color: var(--text-color) !important; 
}

/* Input Colors */
input, select {
    background-color: var(--background);
    color: var(--text-color);
    border-color: var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
}

/* Custom Nutrition Label Styling */
.nutrition-label {
    width: 100%;
    border: 2px solid var(--accent);
    padding: 5px 15px;
    margin-top: 20px;
    background: var(--card-bg);
    transition: border-color 0.3s, background-color 0.3s;
}
.label-header { 
    font-size: 28px;
    font-weight: 900; 
    margin: 5px 0 0;
    padding-bottom: 5px;
    border-bottom: 10px solid var(--accent); 
    transition: border-color 0.3s;
}
.line { 
    padding: 4px 0;
    border-bottom: 1px solid var(--accent); 
    overflow: hidden; 
    font-size: 14px; 
    transition: border-color 0.3s;
}
.line span { float: right; font-weight: bold; }
.line.thick { border-bottom-width: 3px; }
.line.no-border { border-bottom: none; }
.line.indent { margin-left: 15px; }

/* Custom Styles for Buttons */
.calc-btn, .share-btn, .add-btn, .copy-ingredients-btn { 
    background-color: var(--primary);
    color: white; 
    transition: background-color 0.2s;
}
.calc-btn:hover, .share-btn:hover, .add-btn:hover, .copy-ingredients-btn:hover { 
    background-color: #08662a;
}
.delete-btn {
    background-color: #dc2626;
    color: white;
    transition: background-color 0.2s;
}
.delete-btn:hover {
    background-color: #b91c1c;
}

/* --- Theme Toggle Button --- */
.theme-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 24px;
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s, transform 0.1s;
}
.theme-toggle-btn:active {
    transform: scale(0.95);
}

/* Section styles */
.info-section {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    border-top: 1px solid var(--border-color);
}
.saved-recipe-item {
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    background-color: var(--background);
}