* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6fb;
    color: #111;
}
.page { max-width: 1220px; margin: 24px auto; padding: 0 14px; }
.topbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 16px;
}
h1 { margin: 0; font-size: 28px; }
p { margin: 6px 0 0; }
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav a {
    text-decoration: none;
    background: #111827;
    color: #fff;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: bold;
}
.table-card {
    background: #fff;
    border: 1px solid #111;
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
    overflow-x: auto;
}
.career-title {
    text-align: center;
    font-size: 30px;
    font-weight: 900;
    padding: 6px 10px;
    border-bottom: 1px solid #111;
}
.tracking-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 980px;
}
.tracking-table th,
.tracking-table td {
    border: 1px solid #111;
    padding: 8px;
    text-align: center;
    vertical-align: middle;
    font-weight: bold;
    font-size: 14px;
}
.tracking-table th { background: #f7b7df; }
.inicio { color: red; }
.alumnos { color: red; }
.editable-cell {
    width: 100%;
    min-height: 52px;
    border: 0;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    font-weight: 800;
    font-family: Arial, Helvetica, sans-serif;
    background: transparent;
    color: #000;
}
.editable-cell:hover { outline: 3px solid #2563eb; }
.yellow { background: #fff45b; }
.date-cell { background: #fff; }
.note {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    padding: 12px;
    border-radius: 10px;
    margin-top: 14px;
    font-weight: bold;
}
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    z-index: 99;
}
.hidden { display: none !important; }
.modal-content {
    width: min(560px, 100%);
    background: #fff;
    border-radius: 18px;
    padding: 24px;
    position: relative;
    box-shadow: 0 24px 70px rgba(0,0,0,.28);
}
.close {
    position: absolute;
    right: 14px;
    top: 10px;
    border: 0;
    background: #eee;
    font-size: 26px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
}
.form-group { margin-top: 16px; }
label { display: block; font-weight: bold; margin-bottom: 8px; }
textarea, input[type="date"] {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    padding: 12px;
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
}
small { display: block; margin-top: 8px; color: #555; }
.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.btn {
    border: 0;
    padding: 12px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
}
.primary { background: #2563eb; color: #fff; }
.secondary { background: #e5e7eb; color: #111; }
.msg {
    margin-top: 14px;
    padding: 10px;
    border-radius: 10px;
    font-weight: bold;
}
.msg.ok { background: #dcfce7; color: #166534; }
.msg.error { background: #fee2e2; color: #991b1b; }
@media (max-width: 700px) {
    .topbar { align-items: flex-start; flex-direction: column; }
    h1 { font-size: 23px; }
    .career-title { font-size: 24px; }
}

/* Vista administrador */
.admin-page { max-width: 1360px; }
.admin-table { min-width: 1250px; }
.admin-editable {
    width: 100%;
    min-height: 44px;
    border: 0;
    cursor: pointer;
    padding: 7px;
    border-radius: 6px;
    font-weight: 900;
    font-family: Arial, Helvetica, sans-serif;
    background: rgba(255,255,255,.48);
    color: inherit;
}
.admin-editable:hover { outline: 3px solid #2563eb; background: #eff6ff; }
.readonly-theme { font-size: 12px; }
.row-red td, .row-red button { color: #d40000 !important; }
.row-black td, .row-black button { color: #000 !important; }
.row-green td, .row-green button { color: #00843d !important; }
.admin-table th { background: #f7b7df; }
.admin-table td { font-size: 13px; }
#adminTextBox input,
#adminNumberBox input,
#adminMoneyBox input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    padding: 12px;
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
}

.nav-wrap { flex-wrap: wrap; gap: 8px; }
.nav-btn {
    border: 0;
    border-radius: 999px;
    padding: 9px 13px;
    background: #111827;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}
.nav-btn:hover { opacity: .88; }
.empty { text-align: center; padding: 22px; font-weight: 700; color: #555; }
.wide-modal { max-width: 760px; }
.grid-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-form .full { grid-column: 1 / -1; }
.form-group select,
.form-group input[type="color"] {
    width: 100%;
    min-height: 42px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    padding: 8px 10px;
}
.form-group input[type="color"] { padding: 4px; }
@media (max-width: 760px) {
    .grid-form { grid-template-columns: 1fr; }
}