* {
    box-sizing: border-box;
    font-family: system-ui, Arial, sans-serif;
}

body {
    margin: 0;
    background: #020617;
    color: #e5e7eb;
}

/* header */
.app-header {
    padding: 15px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: #22c55e;
    border-bottom: 1px solid #1e293b;
}

/* tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid #1e293b;
}

.tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 15px;
}

.tab.active {
    color: #22c55e;
    border-bottom: 3px solid #22c55e;
}

/* app */
.app {
    padding: 15px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* card */
.card {
    background: #020617;
    border: 1px solid #1e293b;
    border-radius: 14px;
    padding: 15px;
    margin-bottom: 15px;
}

h2 {
    margin-top: 0;
    font-size: 17px;
}

/* inputs */
input, select {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    font-size: 16px;
    border-radius: 10px;
    border: 1px solid #334155;
    background: #020617;
    color: #fff;
}

/* buttons */
button {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    background: #22c55e;
    border: none;
    border-radius: 10px;
    font-size: 16px;
}

.danger {
    background: #dc2626;
}

/* placar */
.placar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 15px 0;
}

.placar input {
    width: 45%;
    text-align: center;
    font-size: 20px;
}

/* tabela */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid #1e293b;
}
