/* =========================
   BASE RESET
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =========================
   GLOBAL TYPOGRAPHY
========================= */
body {
    font-family: "Segoe UI", sans-serif;
    background: #f8fafc;
    color: #111;
    line-height: 1.5;
}

/* =========================
   GLOBAL LINKS
========================= */
a {
    text-decoration: none;
    color: inherit;
}

/* =========================
   CONTAINER HELPERS
========================= */
.container {
    width: 100%;
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

/* =========================
   BUTTON BASE STYLE
========================= */
button {
    font-family: inherit;
    cursor: pointer;
}

/* =========================
   ALERT SYSTEM
========================= */
.alert {
    padding: 10px 15px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 15px;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* =========================
   RESPONSIVE HELPERS
========================= */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}