/*
 * Modal styles for NutriCare
 * Version: 1.0
 */

:root {
    --modal-overlay-bg: rgba(0, 0, 0, 0.5);
    --modal-bg: #fff;
    --modal-radius: 16px;
    --modal-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --modal-header-bg: #f8f9fa;
    --modal-header-border: #eee;
    --modal-z-index: 1000;
    --modal-transition: 0.3s ease;
    --modal-width-sm: 400px;
    --modal-width-md: 600px;
    --modal-width-lg: 800px;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay-bg);
    z-index: var(--modal-z-index);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--modal-transition), visibility var(--modal-transition);
    backdrop-filter: blur(5px);
}

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

.modal-container {
    position: relative;
    background-color: var(--modal-bg);
    border-radius: var(--modal-radius);
    width: 90%;
    max-width: var(--modal-width-md);
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--modal-shadow);
    transform: translateY(20px);
    opacity: 0;
    transition: transform var(--modal-transition), opacity var(--modal-transition);
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
    opacity: 1;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background-color: var(--modal-header-bg);
    border-bottom: 1px solid var(--modal-header-border);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-text-muted);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 150ms;
}

.modal-close:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--color-text);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 4rem);
}

.modal-tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-tab {
    flex: 1;
    background: none;
    border: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 150ms;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.modal-tab:hover {
    color: var(--color-primary);
}

.modal-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

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

.modal-tab-content.active {
    display: block;
}

.modal-form-message {
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    display: none;
}

.modal-form-message.success {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
    display: flex;
}

.modal-form-message.error {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
    display: flex;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.95rem;
    font-weight: 600;
}

.form-input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 1rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: all 150ms;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 159, 131, 0.1);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: color 150ms;
}

.password-toggle:hover {
    color: var(--color-text);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.form-checkbox label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.form-checkbox label a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.forgot-password-link {
    text-align: center;
    color: var(--color-primary);
    font-size: 0.9rem;
    text-decoration: none;
    font-weight: 500;
}

.forgot-password-link:hover {
    text-decoration: underline;
}

.modal-container.modal-sm { max-width: var(--modal-width-sm); }
.modal-container.modal-lg { max-width: var(--modal-width-lg); }

body.modal-open { overflow: hidden; }

@media (min-width: 576px) { .modal-container { width: 85%; } }
@media (min-width: 768px) { .modal-container { width: 80%; } }
@media (min-width: 992px) { .modal-container { width: 70%; } }
@media (min-width: 1200px) { .modal-container { width: 60%; } }