/* Custom Bootstrap CSS - Only includes components we use */
:root {
    --bs-primary: #0d6efd;
    --bs-secondary: #6c757d;
    --bs-success: #198754;
    --bs-danger: #dc3545;
    --bs-warning: #ffc107;
    --bs-info: #0dcaf0;
    --bs-light: #f8f9fa;
    --bs-dark: #212529;
}

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

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

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

.col-12, .col-md-6 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

@media (min-width: 768px) {
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
}

.navbar-expand-lg {
    flex-flow: row nowrap;
    justify-content: flex-start;
}

.navbar-nav {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

@media (min-width: 992px) {
    .navbar-expand-lg .navbar-nav {
        flex-direction: row;
    }
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.15s ease-in-out;
}

.nav-link:hover {
    color: #fff;
}

/* Cards */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 0.25rem;
}

.card-body {
    flex: 1 1 auto;
    padding: 1.25rem;
}

.card-title {
    margin-bottom: 0.75rem;
}

/* Forms */
.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* Utilities */
.text-center {
    text-align: center !important;
}

.mb-3, .mb-4, .mb-5 {
    margin-bottom: 1rem !important;
}

.mt-3, .mt-4, .mt-5 {
    margin-top: 1rem !important;
}

.py-4, .py-5 {
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
}

.bg-light {
    background-color: var(--bs-light) !important;
}

.bg-dark {
    background-color: var(--bs-dark) !important;
}

.text-white {
    color: #fff !important;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-toggler {
        display: block;
        padding: 0.25rem 0.75rem;
        font-size: 1.25rem;
        line-height: 1;
        background-color: transparent;
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 0.25rem;
        transition: box-shadow 0.15s ease-in-out;
    }
    
    .navbar-collapse {
        display: none;
    }
    
    .navbar-collapse.show {
        display: block;
    }
}