/* Custom Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

/* CSS Variables for Theme */
:root {
    --bg-color: #1A1A2A; /* Deeper dark navy for a space-like feel */
    --text-color: #EAEAEA;
    --header-bg: #282A3A; /* Secondary background for header */
    --accent-color: #FFD700; /* Gold, representing stars */
    --tool-card-bg: #282A3A; /* Matches header for a cohesive look */
    --interactive-accent: #80A2FF; /* Soft blue for interactive elements */
    --hover-text: #1E1E2F;
    --button-hover-color: #E6C200;
    --box-shadow: rgba(255, 215, 0, 0.2);
    --soft-shadow: rgba(128, 162, 255, 0.2);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.main-header {
    background-color: var(--header-bg);
    color: var(--accent-color);
    text-align: center;
    padding: 2rem 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.main-header h1 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 2px;
}

/* Main Container */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    flex-grow: 1;
}

/* Grid Layout for Tool Cards */
.tools-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Tool Card */
.tool-card {
    background-color: var(--tool-card-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tool-card:hover {
    transform: translateY(-8px);
    background-color: var(--tool-card-bg); /* Keep background same on hover */
    color: var(--accent-color); /* Change text color to gold */
    box-shadow: 0 8px 25px var(--soft-shadow); /* Soft blue glow */
}

.tool-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.tool-card p {
    font-size: 0.9rem;
    color: #C1C1C1;
    transition: color 0.3s ease;
}

.tool-card:hover p {
    color: var(--text-color); /* Lighter gray on hover for better readability */
}

.tool-card button {
    margin-top: 1.5rem;
    padding: 0.75rem 2rem;
    background-color: var(--accent-color);
    color: var(--bg-color);
    border: none;
    border-radius: 5px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    font-size: 1rem;
    width: auto;
}

.tool-card button:hover {
    background-color: var(--button-hover-color);
    transform: scale(1.05);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.modal-content {
    background-color: var(--tool-card-bg);
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
    transition: transform 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.close-btn {
    color: var(--interactive-accent);
    font-size: 2rem;
    font-weight: bold;
    position: absolute;
    top: 10px;
    right: 20px;
    cursor: pointer;
    transition: color 0.2s ease;
}

.close-btn:hover {
    color: var(--accent-color);
}

/* Tool Specific Styling */
.tool-content h3 {
    text-align: center;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.tool-content label {
    display: block;
    margin-top: 1rem;
    font-weight: 600;
}

.tool-content input[type="text"],
.tool-content input[type="number"],
.tool-content input[type="file"],
.tool-content textarea {
    width: 100%;
    padding: 0.75rem;
    margin-top: 0.5rem;
    background-color: #2B2D42;
    border: 1px solid #4A4D6D;
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.tool-content input[type="text"]:focus,
.tool-content input[type="number"]:focus,
.tool-content textarea:focus {
    outline: none;
    border-color: var(--interactive-accent);
}

.tool-content button {
    margin-top: 1.5rem;
    width: 100%;
    padding: 1rem;
    background-color: var(--interactive-accent);
    color: var(--bg-color);
    border: none;
    border-radius: 5px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    font-size: 1rem;
}

.tool-content button:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    transform: scale(1.02);
}

.tool-content .result {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #2B2D42;
    border: 1px dashed var(--interactive-accent);
    border-radius: 8px;
    text-align: center;
    word-break: break-all;
}

.tool-content .result-label {
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

/* Specific tool components */
.tool-grid-2-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
.qr-code-container, .preview-container {
    text-align: center;
    margin-top: 1rem;
    background-color: #2B2D42;
    padding: 1rem;
    border-radius: 8px;
}
.qr-code-container img, .preview-container img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}
#password-display {
    padding: 1rem;
    background-color: #2B2D42;
    border-radius: 5px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
}
.color-swatch {
    width: 100%;
    height: 100px;
    border-radius: 5px;
    border: 1px solid #4A4D6D;
    margin-top: 1rem;
}

.info-text {
    font-size: 0.9rem;
    color: #C1C1C1;
    margin-top: 0.5rem;
}

.processing-message {
    color: var(--accent-color);
    text-align: center;
    margin-top: 1rem;
    font-weight: 600;
}

/* Responsiveness */
@media (min-width: 768px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .tool-grid-2-col {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .tool-card {
        padding: 1.5rem;
    }
    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
    .main-header h1 {
        font-size: 2rem;
    }
}