/* Import Google Fonts: Outfit */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
}

/* Navbar */
.navbar {
    background-color: var(--surface-color) !important;
    box-shadow: var(--shadow-sm);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
    letter-spacing: -0.025em;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.navbar-text {
    color: var(--text-secondary) !important;
}

/* Cards */
.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid var(--border-color);
    padding: 1.25rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Forms */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    padding: 0.625rem 0.875rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: #f1f5f9;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: #f8fafc;
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.login-card {
    border: none;
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.login-title {
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

/* Utilities */
.text-muted {
    color: var(--text-secondary) !important;
}

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

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

/* =============================================
   MOBILE RESPONSIVE STYLES
   ============================================= */

/* Navbar toggler icon fix - make it visible on dark theme */
.navbar-toggler {
    border-color: var(--border-color);
    padding: 0.4rem 0.6rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%232563eb' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Make all tables scrollable on mobile */
.table-responsive-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 991.98px) {
    /* Navbar collapse padding */
    .navbar-collapse {
        padding-top: 1rem;
        padding-bottom: 0.5rem;
        border-top: 1px solid var(--border-color);
        margin-top: 0.75rem;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        font-size: 1rem;
    }

    /* User info in navbar */
    .navbar-nav.ms-auto {
        border-top: 1px solid var(--border-color);
        padding-top: 0.75rem;
        margin-top: 0.5rem;
    }
}

@media (max-width: 767.98px) {
    /* Container padding */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Page headers: stack title + actions vertically */
    .d-flex.justify-content-between.align-items-center.mb-3 {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem;
    }

    .d-flex.justify-content-between.align-items-center.mb-3 > .d-flex {
        width: 100%;
        flex-wrap: wrap;
    }

    /* Headings */
    h1.h3, .h3 {
        font-size: 1.35rem;
    }

    /* Tables: force horizontal scroll + don't let them break layout */
    .table-bordered,
    .table-striped {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table thead th {
        padding: 0.625rem 0.5rem;
        font-size: 0.65rem;
        white-space: nowrap;
    }

    .table tbody td {
        padding: 0.625rem 0.5rem;
        font-size: 0.85rem;
    }

    /* Cards */
    .card-body {
        padding: 1rem;
    }

    .card-header {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }

    .card-footer {
        padding: 1rem;
    }

    /* Buttons – minimum touch target 44x44 */
    .btn-sm {
        min-height: 36px;
        min-width: 36px;
        padding: 0.375rem 0.625rem;
        font-size: 0.85rem;
    }

    /* Forms: stack export/filter forms */
    form.d-flex.gap-2.align-items-end {
        flex-direction: column !important;
        align-items: stretch !important;
        width: 100%;
    }

    form.d-flex.gap-2.align-items-end > div {
        width: 100%;
    }

    form.d-flex.gap-2.align-items-end > button,
    form.d-flex.gap-2.align-items-end > a {
        width: 100%;
    }

    /* Date filter inputs - full width */
    .form-control-sm {
        font-size: 0.875rem;
    }

    /* POS specific: total amount */
    .display-6 {
        font-size: 1.75rem;
    }

    /* Sale show page: stack info sections */
    .card-body .row .col-md-4 {
        margin-bottom: 0.75rem;
    }

    /* Alert badges in exchanges */
    .alert.d-inline-block {
        display: block !important;
        text-align: center;
    }

    /* Exchange create: price diff section */
    #priceDiffCard .row .col-5 {
        text-align: center !important;
    }
}

/* Extra small devices (phones in portrait, less than 400px) */
@media (max-width: 399.98px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    h1.h3, .h3 {
        font-size: 1.2rem;
    }

    .display-6 {
        font-size: 1.5rem;
    }

    .table thead th {
        font-size: 0.6rem;
        padding: 0.5rem 0.35rem;
    }

    .table tbody td {
        font-size: 0.8rem;
        padding: 0.5rem 0.35rem;
    }
}

/* iOS specific: prevent zoom on input focus */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    input[type="text"],
    input[type="number"],
    input[type="email"],
    input[type="password"],
    input[type="date"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* Safe area for notched phones (iPhone X+) */
@supports (padding: env(safe-area-inset-bottom)) {
    body {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .navbar {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
}