/* === GLOBAL === */
body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    margin: 0;
    padding: 1.5rem;
}

h1, h3 {
    text-align: center;
    margin-bottom: 1rem;
    color: #f5f5f5;
}

.content {
    max-width: 900px;
    margin: 0 auto;
    background: #1e1e1e;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

/* NAVBAR — Modern Glass Style */
.navbar {
  width: 100%;
  padding: 15px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(20, 20, 20, 0.6);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #00d4ff; /* Light neon cyan */
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: #eaeaea;
  text-decoration: none;
  font-size: 1rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: 0.2s ease;
}

.nav-links a:hover {
  background: #00d4ff;
  color: #000;
}

/* Mobile */
@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
    gap: 10px;
  }

  .nav-links {
    gap: 12px;
  }
}


/* === TABLES === */
.table-wrapper {
    width: 100%;
    overflow-x: auto; /* RESPONSIVE SCROLL */
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    min-width: 600px; /* Prevent squishing columns on mobile */
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #2c2c2c;
}

th {
    background-color: #252525;
    font-weight: 600;
    color: #e0e0e0;
}

tr:hover {
    background-color: #1f1f1f;
}

td:last-child {
    text-align: center;
}

/* === LINKS === */
a {
    color: #00bcd4;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* === FORMS === */
.sale-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem;
    justify-content: center;
}

.sale-form label {
    font-weight: 500;
}

.sale-form input,
.sale-form select {
    padding: 0.4rem 0.6rem;
    border: 1px solid #333;
    border-radius: 6px;
    font-size: 0.95rem;
    background-color: #222;
    color: #eee;
}

.sale-form button {
    background-color: #00bcd4;
    color: #fff;
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.sale-form button:hover {
    background-color: #0097a7;
    transform: scale(1.02);
}

/* === ALERTS === */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
}

.alert-success {
    background-color: #1b5e20;
    color: #a5d6a7;
}

.alert-error {
    background-color: #b71c1c;
    color: #ffcdd2;
}

/* === UTILITIES === */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 2rem;
}

/* === LOGIN/REGISTRATION FORM STYLES === */
.login-container {
    max-width: 400px;
    margin: 3rem auto;
    width: 100%;
    padding: 0 1rem;
}

.form-box {
    padding: 1.5rem;
}

.form-field-group {
    margin-bottom: 1.2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    color: #e0e0e0;
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid #333;
    border-radius: 6px;
    font-size: 1rem;
    background-color: #222;
    color: #eee;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    border-color: #00bcd4;
    outline: none;
}

.form-remember-me {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.form-checkbox {
    margin-right: 0.5rem;
}

.form-label-inline {
    font-size: 0.9rem;
    font-weight: 400;
}

.form-error {
    color: #ffcdd2;
    background-color: #b71c1c;
    padding: 0.4rem;
    margin-top: 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.form-submit-button {
    width: 100%;
    background-color: #00bcd4;
    color: #fff;
    padding: 0.75rem 1.2rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.form-submit-button:hover {
    background-color: #0097a7;
    transform: scale(1.00);
}

/* === RESPONSIVE BREAKPOINTS === */

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .content {
        padding: 1rem;
    }

    .sale-form {
        flex-direction: column;
        align-items: stretch;
    }

    .sale-form input,
    .sale-form select,
    .sale-form button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1, h3 {
        font-size: 1.3rem;
    }

    .form-box {
        padding: 1.2rem;
    }
}