:root {
    --primary: #00d1b2; /* Bright Teal */
    --accent: #ff3860;  /* Vibrant Coral */
    --dark: #363636;
    --bg: #f5fffb;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    margin: 0;
    color: var(--dark);
    font-size: 1.2rem; /* Big, readable base font */
}

/* --- Navigation --- */
nav {
    background: var(--dark);
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

nav h1 {
    color: var(--primary);
    font-size: 2.2rem;
    margin: 0;
    text-transform: uppercase;
    font-weight: 900;
}

.nav-links button {
    background: var(--primary);
    border: none;
    color: var(--dark);
    padding: 14px 28px;
    font-weight: 800;
    font-size: 1.1rem;
    margin-left: 15px;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.nav-links button:hover {
    background: var(--white);
    transform: translateY(-3px);
}

/* --- Layout --- */
main {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

h2 {
    font-size: 2.5rem;
    border-bottom: 5px solid var(--accent);
    display: inline-block;
    margin-bottom: 2rem;
}

/* --- Grid & Cards --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 35px;
}

.card {
    background: var(--white);
    padding: 35px;
    border-radius: 20px;
    border-top: 12px solid var(--primary);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}

.card:hover {
    transform: scale(1.02);
}

.card h3 {
    font-size: 1.8rem;
    margin: 0 0 10px 0;
}

/* --- Buttons & Inputs --- */
button#save-btn, .pagination-container button {
    background: var(--accent);
    color: var(--white);
    padding: 18px 40px;
    font-size: 1.3rem;
    border: none;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(255, 56, 96, 0.4);
}

input, select {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    border: 3px solid #eee;
    border-radius: 10px;
    margin-top: 10px;
}

/* --- Stats Dashboard --- */
.stats-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.stats-cards .card {
    border-top: none;
    border-bottom: 15px solid var(--accent);
}

.stats-cards span {
    display: block;
    font-size: 5rem; /* Massive stats */
    font-weight: 900;
    color: var(--dark);
}

.hidden { display: none; }

.pagination-container {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
}