/* =================================
   1. THEME & VARIABLES
   ================================= */
:root {
    /* Core Palette */
    --color-primary: #0a5a9b;
    --color-secondary: #646464;
    --color-secondary-bg: #fcfcfc;
    --color-bg: #d2d2d2;

    /* Text */
    --color-text: #191919;
    --color-text-on-primary: #ffffff;

    /* Accents */
    --color-error: #aa2323;
    --color-warning: #be7814;
    --color-success: #286e32;

    /* Inputs */
    --color-input-bg: #fafafa;
    --color-input-border: #c8c8c8;

    /* Sidebar */
    --color-sidebar-bg: #192840;
    --color-sidebar-text: #c8d7e1;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;

    /* Misc */
    --font-base: 1rem;
    --font-large: 1.5rem;
    --border-radius: 5px;
}

/* Class‐based overrides for dark theme */
html.theme-dark {
    --color-secondary-bg: #464646;
    --color-bg: #282828;
    --color-text: #e1e1e1;
    --color-input-bg: #1e1e1e;
    --color-input-border: #464646;
    --color-sidebar-bg: #0f1e2d;
    --color-sidebar-text: #8c9ba5;
}

/* Fallback to OS preference when no class is set */
@media (prefers-color-scheme: dark) {
    :root:not(.theme-light) {
        --color-secondary-bg: #464646;
        --color-bg: #282828;
        --color-text: #e1e1e1;
        --color-input-bg: #1e1e1e;
        --color-input-border: #464646;
        --color-sidebar-bg: #0f1e2d;
        --color-sidebar-text: #8c9ba5;
    }
}

/* =================================
   2. GENERIC & BASE STYLES
   ================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
}
body {
    margin: 0;
    padding: 0;
    font-size: var(--font-base);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-width: 250px;
}

/* =================================
   3. LAYOUT & HELPER CLASSES
   ================================= */
.page-centered {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.button-container {
    display: flex;
    gap: var(--spacing-sm);
}
.checkbox-container {
    display: flex;
}
.table-container {
    overflow-x: auto;
    width: 100%;
}

/* =================================
   4. COMPONENT STYLES
   ================================= */

/* COMPONENT: CARD */
.card {
    width: 100%;
    max-width: 500px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background-color: var(--color-secondary-bg);
    border-radius: var(--border-radius);
}
.card-php-info {
    min-width: 1056px;
}
.card-full-width {
    width: 100%;
    max-width: none;
}
.card-header {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-weight: normal;
    font-size: var(--font-large);
    overflow-wrap: break-word;
}

/* COMPONENT: TABLE */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-sm);
}
.table th,
.table td {
    padding: var(--spacing-xs);
    text-align: left;
    border-bottom: 1px solid var(--color-sidebar-bg);
}
.table th {
    background-color: var(--color-sidebar-bg);
    font-size: var(--font-base);
    font-weight: normal;
    color: var(--color-text-on-primary);
}
/* A class for the cell containing action links */
.table .actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* == COMPONENT: FORMS == */

/* Grid & Layout */
.form-grid {
    display: grid;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    grid-template-columns: 1fr;
}
@media (min-width: 500px) {
    .form-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}
.form-label {
    font-size: var(--font-base);
}
/* Base Input Style */
.form-input {
    height: 2rem;
    padding: var(--spacing-xs);
    box-sizing: border-box;
    font-size: var(--font-base);
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-input-border);
    border-radius: calc(var(--border-radius) / 2);
    color: var(--color-text);
}
/* Input Type Overrides */
textarea.form-input {
    height: auto;
    min-height: 2rem;
    field-sizing: content;
    overflow-x: hidden;
    overflow-y: hidden;
}
textarea.form-input:placeholder-shown {
    line-height: 0.75rem;
}
/* Specific appearance rules */
select.form-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
}
input[type="number"].form-input {
    -moz-appearance: textfield;
}
input[type="number"].form-input::-webkit-inner-spin-button,
input[type="number"].form-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="date"].form-input::-webkit-calendar-picker-indicator,
input[type="month"].form-input::-webkit-calendar-picker-indicator {
    display: none;
    -webkit-appearance: none;
}
/* Wrapper & Icon Utilities */
.form-input-wrapper {
    position: relative;
}
.form-input-wrapper .form-input {
    width: 100%;
    padding-right: 1.75rem;
}
.form-icon {
    position: absolute;
    top: 50%;
    right: var(--spacing-sm);
    transform: translateY(-50%);
    user-select: none;
    cursor: pointer;
    font-size: var(--font-base);
    line-height: 1;
    width: var(--spacing-md);
    text-align: center;
}
.form-icon-plus::before {
    content: '+';
    font-size: var(--font-base);
}
.form-icon-minus::before {
    content: '−';
    font-size: var(--font-base);
}
.form-icon.is-static {
    cursor: default;
    pointer-events: none;
}
/* Autofill Override */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 25px var(--color-input-bg) inset !important;
    -webkit-text-fill-color: var(--color-text) !important;
}

/* == COMPONENT: BUTTONS == */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    border: 1px solid transparent;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    font-size: var(--font-base);
    border-radius: calc(var(--border-radius) / 2);
    height: 1.75rem;
    padding: var(--spacing-xs);
    line-height: 1;
}
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
}
.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text-on-primary);
}
.btn:disabled {
    background-color: var(--color-secondary);
    opacity: 0.25;
    cursor: not-allowed;
}
a.more,
a.more:visited {
    display: block;
    color: var(--color-text);
    text-decoration: none;
}

/* == COMPONENT: ALERTS == */
.alert {
    padding: var(--spacing-sm);
    border-radius: calc(var(--border-radius) / 2);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-base);
    color: var(--color-text-on-primary);
}
.alert ul,
.alert ol {
    padding-left: 1.25rem;
    margin-top: 0;
    margin-bottom: 0;
}
.alert-error { background-color: var(--color-error); }
.alert-warning { background-color: var(--color-warning); }
.alert-success { background-color: var(--color-success); }

/* =================================
   5. PAGE-SPECIFIC LAYOUTS
   ================================= */

/* == LAYOUT: DASHBOARD & SIDEBAR == */
.dashboard-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}
.sidebar {
    width: 250px;
    background-color: var(--color-sidebar-bg);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm);
    flex-shrink: 0;
    height: 100%;
}
.main-content {
    flex-grow: 1;
    padding: var(--spacing-sm);
    overflow-y: auto;
}
.sidebar-header {
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}
.sidebar-toggle-btn {
    background: none;
    border: none;
    color: var(--color-sidebar-text);
    cursor: pointer;
    padding: var(--spacing-xs);
}
.menu {
    flex-grow: 1;
    overflow-y: auto;
    border-top: 1px solid var(--color-sidebar-text);
    padding: var(--spacing-sm) var(--spacing-xs);
}
.menu-group-header {
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    background: none;
    border: none;
    color: inherit;
    padding: var(--spacing-sm) var(--spacing-sm);
    font-size: var(--font-base);
    cursor: pointer;
    border-radius: var(--border-radius);
    text-align: left;
}
.menu-group-content {
    display: none;
    padding-left: var(--spacing-md);
}
.menu-item {
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-sm);
    color: var(--color-sidebar-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    white-space: nowrap;
}
.menu-item.active {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
    border: 1px solid var(--color-sidebar-bg);
    padding: calc(var(--spacing-sm) - 1px);
}
.sidebar-footer {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-sidebar-text);
}
.tenant-name {
    font-size: var(--font-base);
    font-weight: normal;
    color: var(--color-text-on-primary);
    margin: 0;
}
a.user-name,
a.user-name:visited {
    margin: var(--spacing-xs) 0 0;
    display: block;
    color: var(--color-sidebar-text);
    text-decoration: none;
}

/* == COLLAPSED SIDEBAR STATE == */
.dashboard-layout.sidebar-collapsed .sidebar {
    width: 50px;
}
.dashboard-layout.sidebar-collapsed .sidebar-header-content,
.dashboard-layout.sidebar-collapsed .menu-item span,
.dashboard-layout.sidebar-collapsed .menu-group-header > span {
    display: none;
}
.dashboard-layout.sidebar-collapsed .menu,
.dashboard-layout.sidebar-collapsed .sidebar-footer {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.dashboard-layout.sidebar-collapsed .menu-section-content {
    padding-left: 0;
}

/* =====================================
   6. SMALL SCREENS - SPECIFIC OVERRIDES
   ===================================== */
@media (max-width: 500px) {
    .main-content {
        display: none;
    }
    .dashboard-layout.sidebar-collapsed .main-content {
        display: block;
    }
}