.auth-alert{padding:14px 16px;background:#eaf4ff;border:1px solid #c6defc;border-radius:12px;font-size:14px;line-height:1.5;color:#164878}.auth-alert.alert-error{background:#fff0ef;border-color:#f5cdca;color:#9a2e27}.settings-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.settings-tabs a{padding:11px 17px;border:1px solid #dbe5f5;border-radius:10px;background:#fff;color:#425c85;font-weight:600;font-size:13px}.settings-tabs a.active{background:#0756ff;color:#fff;border-color:#0756ff}.settings-panel{padding:25px;max-width:920px}.settings-form{display:grid;gap:18px}.settings-form label{display:grid;gap:8px;font-size:14px;font-weight:600}.settings-form input:not([type=checkbox]),.settings-form select,.settings-form textarea{width:100%;box-sizing:border-box;background:#fff;border:1px solid #ccd8eb;border-radius:10px;padding:12px;color:#15345c;font:inherit}.settings-form textarea{min-height:100px;resize:vertical}.settings-form small{color:#687b9b;font-size:12px;font-weight:400;line-height:1.5}.settings-form .checkbox{display:flex;align-items:center;gap:10px}.settings-form .checkbox input{width:18px;height:18px;accent-color:#0756ff}.settings-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.status-banner{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:15px 20px;background:#fff1bd;color:#725414;border-radius:13px;margin:20px 0;font-size:14px}.status-banner.live{background:#e8f7ed;color:#28643a}.admin-logout{display:block;padding:14px;font-size:13px;color:#546c95}.setup-box{max-width:520px;margin:45px auto;padding:30px}.setup-box h1{font-size:27px}.setup-box p{line-height:1.6;color:#5b7393}.profile-grid{display:grid;gap:15px;margin:20px 0}.profile-row{padding:12px 0;border-bottom:1px solid #e6edf9;display:flex;gap:20px;justify-content:space-between;font-size:14px}.profile-row span{color:#627995}.profile-row strong{word-break:break-word;text-align:right}.settings-form input:focus,.settings-form textarea:focus{outline:3px solid #c7dbff;border-color:#0756ff}@media(max-width:780px){.settings-two{grid-template-columns:1fr}.settings-panel{padding:18px}.status-banner{align-items:flex-start;flex-direction:column}.setup-box{margin:25px 16px;padding:22px}.profile-row{font-size:12px}}

.content-tabs{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.content-tabs a{padding:10px 18px;background:white;border:1px solid #dce6f5;border-radius:12px;color:#174688}.content-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}.content-columns .settings-form{margin-bottom:20px}.content-thumbnail{max-width:180px;max-height:150px;object-fit:contain;margin-top:10px}.content-table{overflow-x:auto}.content-table table{width:100%;border-collapse:collapse}.content-table th,.content-table td{padding:12px;text-align:left;border-bottom:1px solid #e3ebf5;overflow-wrap:anywhere}.settings-form textarea{width:100%;padding:12px;border:1px solid #dce6f5;border-radius:12px;font:inherit;resize:vertical}@media(max-width:1000px){.content-columns{grid-template-columns:1fr}}

.study-subject{display:block;padding:24px;text-decoration:none}.study-subject h2{margin:12px 0}.study-subject p{margin-bottom:16px}.study-lesson-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px;margin:16px 0;text-decoration:none}.study-lesson-card p{margin:6px 0 0}.study-text{white-space:normal;overflow-wrap:anywhere}.study-illustration img{width:min(100%,320px);max-height:320px;object-fit:contain}.study-correct{border-color:#20a76c!important;background:#e7f8ef!important}.study-wrong{border-color:#e65b4e!important;background:#fff0ed!important}.study-feedback{border-radius:16px;padding:20px;margin-top:20px}.study-success{background:#e7f8ef}.study-review{background:#fff6dd}.study-summary{text-align:center}.study-summary>img{width:120px;height:120px;object-fit:contain}.study-summary .btn{margin:8px}.study-summary p{margin:16px 0}.tip summary{cursor:pointer;font-weight:bold}.exercise-illustration img{object-fit:contain}.lesson-actions form{margin:0}@media(max-width:600px){.study-lesson-card{padding:16px}.study-lesson-card span{font-size:13px}}

/* Etapa 6: planos, limites e consumo da conta. */
.plan-settings{margin-bottom:22px}.plan-settings p,.plan-account p{line-height:1.6}.plan-account{margin:24px 0;padding:20px 0;border-top:1px solid #e6edf9;border-bottom:1px solid #e6edf9}.plan-card .btn:disabled{cursor:default;opacity:.65}.plan-card p,.plan-card h2{overflow-wrap:anywhere}