/* 1. Import the Font (Place at the very top) */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,200..800&display=swap');

:root {
    /* Light Mode Palette */
    --primary: #2d3436;
    --accent: #00b894;
    --bg: #f0f2f5;
    --card-bg: #ffffff;
    --text-main: #2d3436;
    --text-sub: #636e72;
    --border: #dfe6e9;
    --font-family: 'Bricolage Grotesque', sans-serif;
}

[data-theme="dark"] {
    /* Dark Mode Palette */
    --primary: #fab1a0;
    --accent: #55efc4;
    --bg: #18191a;
    --card-bg: #242526;
    --text-main: #f5f6f7;
    --text-sub: #b0b3b8;
    --border: #3a3b3c;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg);
    color: var(--text-main);
    transition: all 0.3s ease;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center; /* Centers items horizontally */
    min-height: 100vh;
}

/* Ensure the form doesn't let children break out */
.form {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 500px; /* Constrained width for a better look */
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    box-sizing: border-box; /* CRITICAL: Includes padding in width calculation */
}

/* 2. Header & Paragraph Refinement */
h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -2px;
    color: var(--primary);
    margin-bottom: 8px;
    text-align: center;
}

.form p:first-of-type {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 5px;
}

.form p:last-of-type {
    font-size: 0.95rem;
    color: var(--text-sub);
    margin-bottom: 20px;
}

/* Apply this to all inputs to keep them contained */
input[type="text"], 
select, 
input[type="date"],
#searchInput {
    width: 100%; 
    box-sizing: border-box; /* Prevents input from sticking out */
    padding: 14px;
    margin: 8px 0;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-family: inherit;
    background-color: var(--card-bg);
    color: var(--text-main);
}

/* Specifically styling the search input to match the form width */
#searchInput {
    max-width: 500px;
    margin: 20px 0;
}

/* Hover and Focus States (The "Interactive" feel) */
input[type="text"]:focus, 
select:focus, 
input[type="date"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(0, 184, 148, 0.15); /* Soft accent glow */
    transform: translateY(-2px); /* Slight lift on focus */
}

/* Specific styling for the Dropdown Arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232d3436'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
    padding-right: 45px;
}

/* Adjust arrow color for Dark Mode */
[data-theme="dark"] select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23f5f6f7'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
}

/* Customizing the Placeholder Text */
::placeholder {
    color: var(--text-sub);
    opacity: 0.7;
}

[data-theme="dark"] { --date-icon-filter: 1; }

/* 4. Theme Toggle Switch */
/* Container for the switch */
.theme-switch {
    display: inline-block;
    height: 30px;
    position: relative;
    width: 60px;
}

.theme-switch input { display: none; }

/* The track of the switch */
.slider {
    background-color: #3a3b3c;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    border-radius: 34px;
}

/* The icons inside the track */
.slider i {
    font-size: 14px;
    z-index: 1;
}

/* The Sun icon color (Light Mode) */
.fa-sun { color: #f1c40f; }

/* The Moon icon color (Dark Mode) */
.fa-moon { color: #f5f6f7; }

/* The sliding white circle */
.slider:before {
    background-color: #fff;
    bottom: 3px;
    content: "";
    height: 24px;
    left: 3px;
    position: absolute;
    transition: .4s;
    width: 24px;
    border-radius: 50%;
    z-index: 2; /* Sits above the icons */
}

/* Moving the circle when checked */
input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

/* 1. Task Entry Animation */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-left: 6px solid var(--accent);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 600px;
    
    /* Apply the animation */
    animation: slideIn 0.4s ease forwards;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* 2. Interactive Hover States */
.task-card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.add-btn, .delete-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.add-btn:active {
    transform: scale(0.95);
}

.add-btn {
    width: 100%;
    padding: 16px;
    font-family: var(--font-family);
    font-size: 1.1rem;
    font-weight: 800; /* Extra bold for Bricolage */
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 4px 6px rgba(0, 184, 148, 0.2);
}

.add-btn:hover {
    background-color: #019477;
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 184, 148, 0.3);
}

.add-btn:active {
    transform: translateY(0);
}

/* 3. Progress Bar Smoothness */
.progress-bar {
    height: 24px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), #55efc4);
    color: white;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    line-height: 24px;
    border-radius: 20px;
    transition: width 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Progress Bar at 100% */
.progress-bar[style*="width: 100%"] {
    background: linear-gradient(90deg, #00b894, #55efc4);
    box-shadow: 0 0 15px rgba(0, 184, 148, 0.5);
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 5px rgba(0, 184, 148, 0.4); }
    50% { box-shadow: 0 0 20px rgba(0, 184, 148, 0.7); }
    100% { box-shadow: 0 0 5px rgba(0, 184, 148, 0.4); }
}

@keyframes slideOut {
    to {
        opacity: 0;
        transform: translateX(50px);
    }
}

.task-card.removing {
    animation: slideOut 0.3s ease forwards;
}

.completed {
    opacity: 0.5;
    text-decoration: line-through;
}

.completed i {
    color: var(--text-sub) !important;
}

.secondary-btn {
    background: transparent;
    color: var(--text-sub);
    border: 1px solid var(--border);
    padding: 10px 20px;
    border-radius: 30px;
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 15px 0;
    display: block; /* Allows margin: auto to work */
}

.secondary-btn:hover {
    background-color: #ff7675; /* A soft red to indicate deletion */
    color: white;
    border-color: #ff7675;
    transform: translateY(-2px);
}

.secondary-btn:active {
    transform: translateY(0);
}

.app-header {
    text-align: center;
    max-width: 500px;
    margin-bottom: 20px;
}

.progress-container {
    width: 100%;
    max-width: 500px;
    background-color: var(--border);
    border-radius: 20px;
    overflow: hidden;
    margin-top: 10px;
}