:root {
    --bg: #f4f7f2;
    --surface: #ffffff;
    --primary: #1c7c54;
    --primary-hover: #176544;
    --text: #1b1b1b;
    --muted: #5a5a5a;
    --border: #d8ded8;
    --error: #b42318;
    --success: #027a48;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(180deg, #edf3ea 0%, var(--bg) 100%);
    color: var(--text);
}

.top-nav-wrap {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(6px);
}

.top-nav {
    width: min(100%, 1100px);
    margin: 0 auto;
    padding: 0.85rem 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    align-items: center;
    justify-content: space-between;
}

.brand-link {
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}

.menu-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
}

.menu-links a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.menu-links a:hover {
    text-decoration: underline;
}

.container {
    width: min(100%, 420px);
    margin: 0 auto;
    padding: 1.2rem 1rem 2rem;
}

.container-wide {
    width: min(100%, 1100px);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    box-shadow: 0 12px 30px rgba(16, 42, 29, 0.08);
}

h1 {
    margin: 0 0 0.35rem;
    font-size: 1.6rem;
}

h2 {
    margin: 0.7rem 0 0.5rem;
    font-size: 1.15rem;
}

.subtitle {
    margin: 0 0 1rem;
    color: var(--muted);
}

.login-form {
    display: grid;
    gap: 0.65rem;
}

label {
    font-weight: 600;
}

input,
select,
button {
    width: 100%;
    border-radius: 10px;
    padding: 0.68rem 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border);
}

input[readonly] {
    background: #f3f5f3;
}

.error-message {
    margin: 0.3rem 0 0;
    color: var(--error);
    font-size: 0.95rem;
    font-weight: 600;
}

.flash-list {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.flash-message {
    margin: 0;
    padding: 0.65rem 0.8rem;
    border-radius: 10px;
    font-weight: 600;
}

.flash-success {
    background: #e8f8ef;
    color: var(--success);
    border: 1px solid #b7e7cc;
}

.flash-error {
    background: #fdecec;
    color: var(--error);
    border: 1px solid #f7c1c1;
}

button {
    margin-top: 0.5rem;
    border: none;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    background: var(--primary-hover);
}

.actions-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.7rem;
}

.btn-link,
.table-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.btn-link:hover,
.table-link:hover {
    text-decoration: underline;
}

.header-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}

.table-wrap {
    overflow-x: auto;
}

.teams-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}

.teams-table th,
.teams-table td {
    text-align: left;
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 0.45rem;
    vertical-align: top;
}

.teams-table th {
    font-size: 0.95rem;
    color: var(--muted);
}

.action-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.action-group form {
    margin: 0;
}

.danger-button {
    margin: 0;
    width: auto;
    background: #b42318;
    padding: 0.45rem 0.65rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.danger-button:hover {
    background: #8f1b13;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 0.8rem;
}

.stat-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.9rem;
    background: #fcfdfc;
}

.stat-label {
    margin: 0;
    color: var(--muted);
    font-weight: 600;
}

.stat-value {
    margin: 0.2rem 0 0;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.site-footer {
    margin-top: 1.2rem;
    padding: 0.9rem 1rem 1.2rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .container {
        padding-top: 1.8rem;
    }

    .card {
        padding: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}