/* ========== RESET & BASE ========== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-background);
}
body[data-module="members"] {
    background: var(--color-mem-background);
}
body[data-module="bkr"] {
    background: var(--color-bkr-background);
}

/* ========== Z-INDEX HIERARCHY ========== */
/* Global stacking order using CSS variables */

.ui-widget-overlay {
    z-index: var(--z-overlay) !important;
}
.ui-dialog {
    z-index: var(--z-modal) !important;
}

/* ========== MAIN HEADER ========== */

.main-header {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: var(--z-fixed);
}
.mobile-menu-toggle {
    display: none;
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: calc(var(--z-fixed) + 1);
}
.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: all var(--transition-normal);
    border-radius: 2px;
}
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}
.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}
.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}
.nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex: 1;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}
.logo a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1em;
}
.org-context {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
}
.org-name {
    font-weight: 500;
    white-space: nowrap;
}
.org-selector {
    background: rgba(255,255,255,0.95);
    color: var(--color-primary);
    border: none;
    padding: var(--spacing-sm) 2rem var(--spacing-sm) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=UTF-8,%3Csvg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"%3E%3Cpath fill="%232c3e50" d="M6 9L1 4h10z"/%3E%3C/svg%3E');
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    min-width: 200px;
    transition: background var(--transition-fast);
}
.org-selector:hover {
    background: white;
}
.org-selector:focus {
    outline: 2px solid rgba(255,255,255,0.5);
    outline-offset: 2px;
}
.main-nav {
    display: flex;
    gap: var(--spacing-md);
}
.main-nav a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.main-nav a:hover {
    background: rgba(255,255,255,0.1);
}
.main-nav a.disabled {
    color: rgba(255,255,255,0.5);
    cursor: not-allowed;
}
.main-nav a.disabled:hover {
    background: rgba(255,255,255,0.05);
}
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.user-menu a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    white-space: nowrap;
}
.user-menu a:hover {
    background: rgba(255,255,255,0.1);
}

/* ========== MODULE NAVIGATION ========== */

.module-nav {
    background: var(--color-secondary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--shadow-sm);
    font-size: 0.8em;
}
.module-nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    gap: var(--spacing-sm);
    min-height: 3.5em;
    align-items: center;
    justify-content: center;
}
.module-nav-tab {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    border-bottom: 3px solid transparent;
}
.module-nav-tab:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}
.module-nav-tab.active {
    background: rgba(255,255,255,0.15);
    color: white;
    /* Border colour set by module-specific overrides in variables.css */
}

/* ========== FLASH MESSAGES ========== */

.flash-message {
    padding: var(--spacing-md) var(--spacing-xl);
    margin: var(--spacing-md) auto;
    max-width: 1400px;
    border-radius: var(--radius-md);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}
.flash-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.flash-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.flash-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}
.flash-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ========== MAIN CONTENT ========== */

.main-content {
    max-width: 1400px;
    margin: var(--spacing-sm) auto var(--spacing-xl) auto;
    padding: 0 var(--spacing-xl);
    min-height: calc(100vh - 200px);
}

/* ========== PAGE HEADER ========== */

.page-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-border);
}
.page-header h1 {
    font-size: 2rem;
    color: var(--color-text-primary);
    margin: 0;
}
.page-header .subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0;
}

/* ========== FOOTER ========== */

.main-footer {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl);
}
.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    text-align: center;
}
.footer-content p {
    font-size: 0.9rem;
    color: var(--color-info);
}

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

@media (max-width: 1024px) {
    .header-content {
        padding: 0 var(--spacing-lg);
        gap: var(--spacing-lg);
    }
    
    .nav-left {
        gap: var(--spacing-lg);
    }
    
    .nav-right {
        gap: var(--spacing-lg);
    }
    
    .main-nav {
        gap: var(--spacing-sm);
    }
    
    .main-nav a,
    .user-menu a {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .module-nav-content {
        padding: 0 var(--spacing-lg);
    }
    
    .module-nav-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
}

@media (max-width: 970px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-content {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 4rem var(--spacing-lg) var(--spacing-xl);
        gap: var(--spacing-xl);
        box-shadow: -2px 0 8px rgba(0,0,0,0.3);
        transition: right var(--transition-normal);
        z-index: var(--z-fixed);
        overflow-y: auto;
    }
    
    .header-content.open {
        right: 0;
    }
    
    .nav-left,
    .nav-right {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--spacing-md);
    }
    
    .logo {
        text-align: center;
        padding-bottom: var(--spacing-md);
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .logo a {
        white-space: break-spaces;
        line-height: 1em;
    }
    
    .main-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .main-nav a {
        padding: var(--spacing-sm) var(--spacing-md);
        text-align: left;
    }
    
    .org-context {
        width: 100%;
        justify-content: center;
    }
    
    .org-selector {
        width: 100%;
    }
    
    .user-menu {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding-top: var(--spacing-md);
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    
    .user-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        text-align: left;
    }
    
    .module-nav {
        position: sticky;
        top: 0;
        z-index: calc(var(--z-fixed) - 1);
    }
    
    .module-nav-content {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-xs);
    }
    
    .module-nav-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
    }
}

/* ========== TOAST NOTIFICATIONS ========== */

#toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}
.toast {
    background: var(--color-surface);
    color: var(--color-text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-info);
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}
.toast.success {
    border-left-color: var(--color-success);
    background: #f0fdf4;
    color: #065f46;
}
.toast.error {
    border-left-color: var(--color-danger);
    background: #fef2f2;
    color: #991b1b;
}
.toast.warning {
    border-left-color: var(--color-warning);
    background: #fffbeb;
    color: #92400e;
}
.toast.info {
    border-left-color: var(--color-info);
    background: #eff6ff;
    color: #1e40af;
}

@media (max-width: 768px) {
    #toast-container {
        right: var(--spacing-md);
        left: var(--spacing-md);
        top: var(--spacing-md);
        max-width: none;
    }
}

/* ========== BUTTONS ========== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0 var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-family: inherit;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
}
.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
}

/* Button Variants */
/*.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-surface);
}
.btn-primary:hover:not(:disabled) {
    background-color: var(--color-accent-hover);
}
.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-surface);
}
.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-text-primary);
}
.btn-success {
    background-color: var(--color-success);
    color: var(--color-surface);
}
.btn-success:hover:not(:disabled) {
    background-color: #1e8449;
}
.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-surface);
}
.btn-danger:hover:not(:disabled) {
    background-color: #c0392b;
}
.btn-warning {
    background-color: var(--color-warning);
    color: var(--color-surface);
}
.btn-warning:hover:not(:disabled) {
    background-color: #d68910;
}
.btn-info {
    background-color: var(--color-info);
    color: var(--color-surface);
}
.btn-info:hover:not(:disabled) {
    background-color: #2874a6;
}*/

/* Outline Variants */
/*.btn-outline-primary {
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}
.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--color-accent);
    color: var(--color-surface);
}
.btn-outline-secondary {
    background-color: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-text-secondary);
}
.btn-outline-secondary:hover:not(:disabled) {
    background-color: var(--color-text-secondary);
    color: var(--color-surface);
}*/

/* Button Icons */
.btn i {
    font-size: 1em;
}

/* Button Groups */
.btn-group {
    display: inline-flex;
    gap: var(--spacing-xs);
}
.btn-group .btn {
    margin: 0;
}

/* ========== FORMS ========== */

.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    display: flex;
    flex-direction: column;
}
.label-text {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    display: block;
}
.required {
    color: var(--color-danger);
}
.label-note {
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    display: block;
}

/* Form Inputs */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="url"],
select,
textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    line-height: 1.5;
    transition: border-color var(--transition-fast);
    background: var(--color-surface);
    color: var(--color-text-primary);
    width: 100%;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

input:disabled,
input:read-only,
select:disabled,
textarea:disabled {
    background: var(--color-disabled);
    opacity: 0.6;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-light);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

/* Checkbox and Radio Groups */
.checkbox-group,
.radio-group {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    width: auto;
    margin: 0;
}

/* Form Validation States */
input.error,
select.error,
textarea.error {
    border-color: var(--color-danger);
}

input.success,
select.success,
textarea.success {
    border-color: var(--color-success);
}

.error-message {
    color: var(--color-danger);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

.success-message {
    color: var(--color-success);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

/* Form Layouts */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group.full-width {
    grid-column: 1 / -1;
}