/* ============================================
   RESPONSIVE BASE & UTILITIES
   ============================================ */

/* CSS Baseline */
*, *::before, *::after {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

input, select, textarea, button {
    max-width: 100%;
}

/* Bootstrap-like Grid System */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.row.justify-content-center {
    justify-content: center;
}

[class*="col-"] {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

@media (min-width: 576px) {
    .col-sm-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .col-sm-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    .col-md-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
    .col-md-8 {
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    .col-lg-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
    .col-lg-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Utility Classes */
.w-100 {
    width: 100% !important;
}

.mt-3 {
    margin-top: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.p-3 {
    padding: 1rem;
}

/* Form Responsive */
@media (max-width: 767px) {
    .form-row {
        flex-direction: column;
    }
    
    .form-row [class*="col-"] {
        max-width: 100%;
        flex: 0 0 100%;
    }
    
    button.neon-btn,
    button.del-btn,
    button.edit-btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Auth Page Isolation */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-page .center-box {
    width: 100%;
    max-width: 450px;
    margin: 0 !important;
}

@media (max-width: 768px) {
    .auth-page {
        padding: 15px;
    }
    
    .auth-page .center-box {
        max-width: 100%;
        padding: 20px 15px !important;
    }
}

@media (max-width: 480px) {
    .auth-page {
        padding: 10px;
    }
    
    .auth-page .center-box {
        padding: 18px 12px !important;
    }
}

/* Table Responsive */
@media (max-width: 767px) {
    .data-table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .data-table thead {
        display: none;
    }
    
    .data-table tbody {
        display: block;
    }
    
    .data-table tr {
        display: block;
        margin-bottom: 15px;
        border: 1px solid #00fff933;
        border-radius: 8px;
        padding: 10px;
        background: rgba(0,15,20,0.82);
    }
    
    .data-table td {
        display: block;
        border: none;
        padding: 8px 0;
        text-align: left;
        border-bottom: 1px solid #00fff91a;
    }
    
    .data-table td:last-child {
        border-bottom: none;
    }
    
    .data-table td:before {
        content: attr(data-label) ": ";
        font-weight: bold;
        color: #05ff32;
        display: inline-block;
        min-width: 100px;
        margin-right: 10px;
    }
}