/* General Body & Typography */
body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0; /* Remove padding here, add to main container */
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.5s ease-in-out, color 0.5s ease-in-out;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px; /* Base font size */
}

/* --- Theme Variables --- */
:root {
    --background-color: #f0f2f5; /* Very light gray */
    --text-color: #333333; /* Dark charcoal */
    --accent-color: #8e2de2; /* Deep purple */
    --accent-light: #a45ee5; /* Lighter purple for hover */
    --card-background: #ffffff;
    --border-color: #e0e0e0; /* Soft gray border */
    --input-background: #ffffff;
    --input-border: #cccccc;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --modal-content-background: #ffffff;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --favorite-color: #ff6b6b; /* Soft red for favorite */
}

body.dark-mode {
    --background-color: #1a1a1a; /* Dark background */
    --text-color: #e0e0e0; /* Light gray text */
    --accent-color: #a45ee5; /* Slightly brighter purple for dark mode */
    --accent-light: #b981f1;
    --card-background: #2b2b2b;
    --border-color: #444444;
    --input-background: #3a3a3a;
    --input-border: #666666;
    --modal-content-background: #3a3a3a;
    --shadow-light: rgba(0, 0, 0, 0.2);
    --shadow-medium: rgba(0, 0, 0, 0.3);
    --favorite-color: #ff8e8e;
}

/* --- Header --- */
header {
    text-align: center;
    padding: 30px 20px;
    position: relative;
    background-color: var(--card-background); /* White/dark card background */
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px var(--shadow-light);
    margin-bottom: 30px;
}

header h1 {
    font-size: 3.5em;
    margin-bottom: 5px;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -1px;
}

header h1 span {
    color: var(--accent-color);
}

header p {
    font-size: 1.1em;
    color: var(--text-color);
    opacity: 0.8;
    margin-top: 5px;
}

/* --- Theme Toggle Button --- */
#theme-toggle {
    position: absolute;
    top: 25px;
    right: 25px;
    background-color: var(--input-background); /* Matches input background */
    color: var(--text-color);
    padding: 8px 15px;
    border: 1px solid var(--input-border);
    border-radius: 20px;
    font-size: 0.9em;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, transform 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 5px var(--shadow-light);
}

#theme-toggle:hover {
    background-color: var(--border-color);
    transform: translateY(-1px);
}

body.dark-mode #theme-toggle:hover {
    background-color: var(--input-border);
}


/* --- Controls Section --- */
.controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin: 0 auto 30px auto; /* Centered with auto margins */
    padding: 20px;
    background-color: var(--card-background);
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    max-width: 1200px; /* Limit width */
    width: calc(100% - 40px); /* Account for padding */
}

.search-container, .filter-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

input[type="text"], select {
    padding: 12px 18px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background-color: var(--input-background);
    color: var(--text-color);
    font-size: 1em;
    width: 220px; /* Consistent width */
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
}

input[type="text"]:focus, select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 25%, transparent);
    outline: none;
}

button {
    padding: 12px 22px;
    border: none;
    border-radius: 8px;
    background-color: var(--accent-color);
    color: var(--button-text);
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.2px;
}

button:hover {
    background-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--shadow-medium);
}

button:active {
    transform: translateY(0);
    box-shadow: none;
}

/* --- Main Content Area --- */
main {
    flex-grow: 1; /* Allows main to fill available space */
    width: calc(100% - 40px); /* Account for body padding if applied */
    max-width: 1400px; /* Wider content area */
    margin: 0 auto;
    padding: 20px 0; /* Vertical padding */
}

/* --- Cocktail Grid --- */
.cocktail-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.cocktail-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 4px 12px var(--shadow-light);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, background-color 0.3s;
    display: flex;
    flex-direction: column;
}

.cocktail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-medium);
}

.cocktail-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.cocktail-info {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.cocktail-info h3 {
    margin-top: 0;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 1.3em;
    font-weight: 600;
}

.cocktail-info p {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.9em;
    margin-bottom: 15px;
}

/* Favorite Button within Card */
.favorite-btn {
    margin-top: auto;
    width: 100%;
    padding: 10px;
    font-size: 0.9em;
    background-color: var(--accent-color);
    color: var(--button-text);
    border-radius: 6px;
    font-weight: 500;
}

.favorite-btn.favorited {
    background-color: var(--favorite-color);
    color: white;
}

.favorite-btn.favorited:hover {
    background-color: color-mix(in srgb, var(--favorite-color) 90%, black);
}

/* --- Modal Styles --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: var(--modal-overlay);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background-color: var(--modal-content-background);
    padding: 30px;
    border-radius: 12px;
    width: 95%;
    max-width: 900px; /* Larger modal for details */
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    opacity: 0;
    animation: modalPopIn 0.3s forwards cubic-bezier(0.2, 0.8, 0.2, 1);
}

.close {
    color: var(--text-color);
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 35px;
    font-weight: normal; /* Lighter weight for modern look */
    cursor: pointer;
    transition: color 0.2s;
}

.close:hover, .close:focus {
    color: #888888;
}

.drink-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.modal-img {
    width: 200px; /* Larger image in modal */
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 8px var(--shadow-light);
}

.modal-header > div {
    flex-grow: 1;
}

.modal-title {
    font-size: 2.5em;
    margin-top: 0;
    margin-bottom: 5px;
    color: var(--accent-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.modal-category {
    font-size: 1em;
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 10px;
    font-weight: 500;
}

.drink-details h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 1.6em;
    font-weight: 600;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color); /* Subtle border */
}

.ingredients-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.ingredient-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    font-size: 0.9em;
    color: var(--text-color);
}

.ingredient-item img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 5px;
    background-color: var(--input-background);
}

.instructions {
    font-size: 1em;
    color: var(--text-color);
    line-height: 1.7;
    white-space: pre-wrap;
    background-color: var(--input-background);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* --- Messages --- */
.loading-message, .info-message, .error-message {
    text-align: center;
    padding: 30px;
    font-size: 1.2em;
    color: var(--text-color);
    opacity: 0.8;
    grid-column: 1 / -1;
}
.error-message {
    color: var(--favorite-color); /* Using favorite color for errors */
    font-weight: 600;
}

/* --- Animations --- */
@keyframes modalPopIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    header h1 {
        font-size: 2.8em;
    }
    .cocktail-container {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    .modal-content {
        max-width: 700px;
        padding: 25px;
    }
    .modal-img {
        width: 160px;
        height: 160px;
    }
    .modal-title {
        font-size: 2em;
    }
    .drink-details h3 {
        font-size: 1.4em;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    header {
        padding: 20px;
        margin-bottom: 20px;
    }
    header h1 {
        font-size: 2.4em;
    }
    header p {
        font-size: 0.95em;
    }
    #theme-toggle {
        position: static; /* Stack button on smaller screens */
        margin-top: 15px;
        align-self: center; /* Center if header uses flex */
    }
    .controls {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin-bottom: 20px;
        padding: 15px;
    }
    input[type="text"], select, button {
        width: 100%;
        max-width: 300px;
    }
    .cocktail-container {
        grid-template-columns: 1fr; /* Single column on very small screens */
        gap: 15px;
    }
    .modal-content {
        padding: 20px;
        border-radius: 10px;
    }
    .close {
        font-size: 30px;
        top: 10px;
        right: 15px;
    }
    .modal-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 15px;
    }
    .modal-img {
        width: 140px;
        height: 140px;
    }
    .modal-title {
        font-size: 1.8em;
    }
    .ingredients-list {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 10px;
    }
    .ingredient-item img {
        width: 60px;
        height: 60px;
    }
    .instructions {
        font-size: 0.95em;
        padding: 15px;
    }
}