/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* Define color palettes for light and dark themes */
:root, [data-theme="light"] {
    --bg-primary: #F3F4F6; /* Light Gray */
    --bg-secondary: #FFFFFF; /* White */
    --text-primary: #1F2937; /* Dark Gray */
    --text-secondary: #6B7280; /* Medium Gray */
    --border-color: #E5E7EB; /* Light Gray Border */
    --primary-accent: #3B82F6; /* Blue */
    --secondary-accent: #10B981; /* Green */
    --error-color: #EF4444; /* Red */
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --bg-primary: #111827; /* Very Dark Blue */
    --bg-secondary: #1F2937; /* Dark Blue-Gray */
    --text-primary: #F9FAFB; /* Off-White */
    --text-secondary: #9CA3AF; /* Light Gray */
    --border-color: #374151; /* Gray */
    --primary-accent: #60A5FA; /* Lighter Blue */
    --secondary-accent: #34D399; /* Lighter Green */
    --error-color: #F87171; /* Lighter Red */
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

/* General Body Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

/* Card Styles */
.card {
    background-color: var(--bg-secondary);
    box-shadow: var(--card-shadow);
    border-radius: 1rem; /* More rounded corners */
    border: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
}

/* Button Styles */
.btn-primary {
    background-color: var(--primary-accent);
    border-color: var(--primary-accent);
    color: white;
    font-weight: 600;
    transition: transform 0.2s, background-color 0.2s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    background-color: color-mix(in srgb, var(--primary-accent) 90%, black);
}

.btn-secondary {
    background-color: var(--secondary-accent);
    border-color: var(--secondary-accent);
    color: white;
    font-weight: 600;
    transition: transform 0.2s, background-color 0.2s;
}
.btn-secondary:hover {
    transform: translateY(-2px);
    background-color: color-mix(in srgb, var(--secondary-accent) 90%, black);
}

/* Input & Textarea Styles */
.input-bordered, .textarea-bordered {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    transition: border-color 0.3s, background-color 0.3s;
}
.input-bordered:focus, .textarea-bordered:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-accent) 20%, transparent);
}

/* Shared Header for theme toggle */
.app-header {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 50;
}

/* Custom Modal Styles */
.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-container.hidden {
    display: none;
}