/* Modern Modal System */
:root {
    --mm-z-index: 10000;
    --mm-backdrop-bg: rgba(0, 0, 0, 0.5);
    --mm-backdrop-blur: 4px;
    --mm-radius: 12px;
    --mm-padding: 20px;
    --mm-width-sm: 380px;
    --mm-width-md: 550px;
    --mm-width-lg: 750px;
    --mm-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modern-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--mm-backdrop-bg);
    backdrop-filter: blur(var(--mm-backdrop-blur));
    z-index: var(--mm-z-index);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--mm-transition);
}

.modern-modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modern-modal {
    background: var(--dialog-bg-card, #ffffff);
    border-radius: var(--mm-radius);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    width: 90%;
    max-width: var(--mm-width-md);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.98) translateY(5px);
    opacity: 0;
    transition: var(--mm-transition);
    overflow: hidden;
}

.modern-modal-backdrop.active .modern-modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Sizes */
.modern-modal.mm-sm { max-width: var(--mm-width-sm); }
.modern-modal.mm-lg { max-width: var(--mm-width-lg); }
.modern-modal.mm-full { max-width: 95%; height: 95vh; }

/* Header */
.modern-modal-header {
    padding: 16px var(--mm-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--dialog-border-light, #e0e0e0);
    background: var(--dialog-bg-primary, #f9fafb);
}

.modern-modal-title {
    font-family: var(--dialog-font-family, sans-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--dialog-text-primary, #333);
    margin: 0;
}

.modern-modal-close {
    background: transparent;
    border: none;
    color: var(--dialog-text-secondary, #666);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.modern-modal-close:hover {
    background: rgba(0,0,0,0.05);
    color: var(--dialog-text-primary, #333);
}

/* Body */
.modern-modal-body {
    padding: var(--mm-padding);
    overflow-y: auto;
    color: var(--dialog-text-secondary, #666);
    font-size: var(--dialog-font-size-base, 0.875rem);
    line-height: 1.5;
}

/* Footer */
.modern-modal-footer {
    padding: 16px var(--mm-padding);
    border-top: 1px solid var(--dialog-border-light, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    background: var(--dialog-bg-primary, #f9fafb);
}

/* Form Footer (for forms inside tabs/body) */
.mm-form-footer {
    margin: 20px calc(var(--mm-padding) * -1) calc(var(--mm-padding) * -1) calc(var(--mm-padding) * -1);
    padding: 16px var(--mm-padding);
    border-top: 1px solid var(--dialog-border-light, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    background: var(--dialog-bg-primary, #f9fafb);
    /* Ensure it sits at the bottom if possible, but in flow it's fine */
}

/* Buttons - Deprecated, using dialog-buttons.css */
/* 
.mm-btn { ... } 
*/

/* Form Elements inside Modal */
.modern-modal-body .form-group {
    margin-bottom: 12px;
}

.modern-modal-body label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--dialog-text-primary, #333);
    font-size: 0.8rem;
}

.modern-modal-body input[type="text"],
.modern-modal-body input[type="email"],
.modern-modal-body input[type="password"],
.modern-modal-body input[type="number"],
.modern-modal-body select,
.modern-modal-body textarea {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--dialog-border-medium, #ccc);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: border-color 0.2s;
    box-sizing: border-box;
    height: 36px;
}

.modern-modal-body textarea {
    height: auto;
    padding: 8px 10px;
}

.modern-modal-body input:focus,
.modern-modal-body select:focus,
.modern-modal-body textarea:focus {
    outline: none;
    border-color: var(--dialog-blue, #135acb);
    box-shadow: 0 0 0 3px rgba(19, 90, 203, 0.1);
}

/* Form Grid */
.mm-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 600px) {
    .mm-form-grid.cols-2 {
        grid-template-columns: 1fr 1fr;
    }
}

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

.modern-modal-body .form-helper {
    display: block;
    margin-top: 4px;
    font-size: var(--dialog-font-size-xs, 0.75rem);
    color: var(--dialog-text-muted, #999);
}

/* Icon variants */
.modern-modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
}

.modern-modal-icon.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--dialog-success, #28a745);
}

.modern-modal-icon.warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--dialog-warning, #ffc107);
}

.modern-modal-icon.error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--dialog-error, #dc3545);
}

.modern-modal-icon.info {
    background: rgba(19, 90, 203, 0.1);
    color: var(--dialog-blue, #135acb);
}

/* Center content variant */
.modern-modal.text-center .modern-modal-body {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modern-modal.text-center .modern-modal-footer {
    justify-content: center;
}

/* Tabs */
.mm-tabs {
    display: flex;
    border-bottom: 1px solid var(--dialog-border-light, #e0e0e0);
    margin-bottom: 16px;
    background: var(--dialog-bg-primary, #f9fafb);
    margin-top: calc(var(--mm-padding) * -1);
    margin-left: calc(var(--mm-padding) * -1);
    margin-right: calc(var(--mm-padding) * -1);
    padding: 0 16px;
}

.mm-tab {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--dialog-text-secondary, #666);
    font-weight: 500;
    transition: all 0.2s;
    font-size: 0.875rem;
}

.mm-tab:hover {
    color: var(--dialog-primary, #f12672);
}

.mm-tab.active {
    color: var(--dialog-primary, #f12672);
    border-bottom-color: var(--dialog-primary, #f12672);
}

.mm-tab-content {
    display: none;
}

.mm-tab-content.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Required Field Asterisk */
.required-asterisk {
    color: var(--dialog-error, #dc3545);
    font-weight: 600;
    margin-left: 2px;
}

/* Validation Error States */
.modern-modal-body .form-group.has-error label {
    color: var(--dialog-error, #dc3545);
}

.modern-modal-body input.is-invalid,
.modern-modal-body select.is-invalid,
.modern-modal-body textarea.is-invalid,
.modern-modal-body .checkbox-group-container.is-invalid {
    border-color: var(--dialog-error, #dc3545) !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1) !important;
}

.modern-modal-body input.is-invalid:focus,
.modern-modal-body select.is-invalid:focus,
.modern-modal-body textarea.is-invalid:focus {
    border-color: var(--dialog-error, #dc3545) !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15) !important;
}

/* Validation Error Message */
.validation-error {
    color: var(--dialog-error, #dc3545);
    font-size: 0.75rem;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.validation-error::before {
    content: '⚠';
    font-size: 0.7rem;
}

/* Input focus removes error on re-typing */
.modern-modal-body input:focus:not(.is-invalid),
.modern-modal-body select:focus:not(.is-invalid),
.modern-modal-body textarea:focus:not(.is-invalid) {
    border-color: var(--dialog-blue, #135acb);
    box-shadow: 0 0 0 3px rgba(19, 90, 203, 0.1);
}