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

body {
    font-family: Arial, sans-serif;
    background: #f4f7fb;
    color: #1f2937;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1000px;
    margin: auto;
}

header {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    background: white;
    border-bottom: 1px solid #e5e7eb;
}

.brand {
    font-size: 22px;
    font-weight: bold;
}

.app-name {
    color: #6b7280;
    font-size: 15px;
}

main {
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.counter-card {
    background: white;
    width: 100%;
    max-width: 500px;
    padding: 45px;
    text-align: center;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.counter-card h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.subtitle {
    color: #6b7280;
    margin-bottom: 30px;
}

.counter {
    font-size: 72px;
    font-weight: bold;
    margin-bottom: 30px;
}

button {
    border: none;
    cursor: pointer;
    font-size: 16px;
    border-radius: 8px;
    padding: 13px 25px;
    width: 100%;
    transition: 0.2s;
}

.increment-btn {
    background: #2563eb;
    color: white;
    margin-bottom: 12px;
}

.increment-btn:hover {
    transform: translateY(-2px);
}

.reset-btn {
    background: #f1f5f9;
    color: #374151;
}

.reset-btn:hover {
    background: #e2e8f0;
}

.status-card {
    margin-top: 25px;
    display: flex;
    gap: 25px;
    background: white;
    padding: 18px 25px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.status {
    font-size: 14px;
    color: #374151;
}

.status span {
    color: #16a34a;
    font-weight: bold;
}