/* ============================================
   DentalPro SSO - Material Design 3 Theme
   ============================================ */

/* === CSS Variables (Material Design 3) === */
:root {
    /* Colors - DentalPro Brand */
    --md-primary: #3a4758;
    --md-primary-hover: #4b5a6e;
    --md-on-primary: #ffffff;
    --md-secondary: #20ace2;
    --md-secondary-hover: #1a8fc0;
    --md-surface: #ffffff;
    --md-surface-variant: #f5f5f5;
    --md-on-surface: #3a4758;
    --md-on-surface-variant: #8e8e8e;
    --md-error: #af0909;
    --md-error-container: #ffeaea;
    --md-outline: #79747E;
    --md-outline-variant: #c7cfdc;

    /* Elevation shadows */
    --md-elevation-0: none;
    --md-elevation-1: 0 1px 3px 1px rgba(0,0,0,0.15), 0 1px 2px 0 rgba(0,0,0,0.3);
    --md-elevation-2: 0 2px 6px 2px rgba(0,0,0,0.15), 0 1px 2px 0 rgba(0,0,0,0.3);
    --md-elevation-3: 0 4px 8px 3px rgba(0,0,0,0.15), 0 1px 3px 0 rgba(0,0,0,0.3);

    /* Spacing */
    --md-spacing-xs: 4px;
    --md-spacing-sm: 8px;
    --md-spacing-md: 16px;
    --md-spacing-lg: 24px;
    --md-spacing-xl: 32px;

    /* Border radius */
    --md-radius-xs: 4px;
    --md-radius-sm: 8px;
    --md-radius-md: 12px;
    --md-radius-lg: 16px;
    --md-radius-xl: 28px;
    --md-radius-full: 9999px;

    /* Typography */
    --md-font: 'Roboto', sans-serif;

    /* Transitions */
    --md-transition-quick: 150ms cubic-bezier(0.2, 0, 0, 1);
    --md-transition-standard: 200ms cubic-bezier(0.2, 0, 0, 1);
    --md-transition-emphasized: 300ms cubic-bezier(0.2, 0, 0, 1);
}

/* === Reset & Base === */
*, ::after, ::before {
    box-sizing: border-box;
}

body {
    background-color: #ffffff;
    background-image: none;
    font-family: var(--md-font);
    font-size: 16px;
    line-height: 1.5;
    margin: 0;
    min-width: 300px;
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--md-on-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

a {
    cursor: pointer;
    color: var(--md-on-primary);
    text-decoration: none;
    transition: color var(--md-transition-quick);
}

a:hover {
    opacity: 0.85;
}

input {
    outline: none;
    border: none;
    font-family: var(--md-font);
}

input[type='checkbox'] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type='date']::-webkit-inner-spin-button {
    display: none;
    -webkit-appearance: none;
}

input[type='date']::-webkit-calendar-picker-indicator {
    -webkit-appearance: none;
    appearance: none;
    background-image: url(../img/dentalpro/down_arrow.png);
    background-position: center;
    background-size: 12px 8px;
    background-repeat: no-repeat;
    color: transparent;
    cursor: pointer;
    background-color: var(--md-surface);
    border-radius: var(--md-radius-xs);
    padding: 4px;
    transition: background-color var(--md-transition-quick);
}

input[type='date']::-webkit-calendar-picker-indicator:hover {
    background-color: var(--md-surface-variant);
}

/* === Layout === */
main {
    padding-bottom: 70px;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--md-spacing-md);
    position: relative;
}

.row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--md-spacing-md);
}

.middle {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.text-center {
    text-align: center;
}

/* === Navbar (Material Design 3) === */
.navbar {
    height: 64px;
    background-color: #ffffff;
    padding: var(--md-spacing-sm) 0;
    text-align: center;
    box-shadow: var(--md-elevation-2);
    position: relative;
    z-index: 100;
}

.navbar .brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    transition: transform var(--md-transition-standard);
}

.navbar .brand:hover {
    transform: scale(1.02);
}

.navbar .brand .logo {
    height: 48px;
    width: auto;
    max-width: 320px;
    content: url(../img/dentalpro/full-logo-header.png);
    object-fit: contain;
}

/* === Card Component (Material Design 3) === */
.card {
    padding: var(--md-spacing-xl) var(--md-spacing-xl);
    margin: var(--md-spacing-xl) auto;
    border-radius: var(--md-radius-xl);
    position: relative;
    width: 100%;
    max-width: 580px;
    line-height: 1.5;
    box-shadow: var(--md-elevation-3);
    overflow: hidden;
    background: linear-gradient(to bottom, #f8f9fa, #e3f2fd);
}

.card.full-width {
    max-width: 100%;
}

.card .background {
    z-index: -1;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: var(--md-radius-xl);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.card.login .background,
.card.profile-choosing .background,
.card.register .background {
    background-image: none;
}

.card .title {
    font-family: var(--md-font);
    font-size: 24px;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: 0;
    text-align: center;
    color: var(--md-on-surface);
    margin-bottom: var(--md-spacing-lg);
}

.card .title.left {
    text-align: left;
}

/* === Form Fields (Material Design 3 Outlined) === */
.form-field {
    position: relative;
    margin-bottom: var(--md-spacing-lg);
    display: block;
}

.form-field:last-child,
.form-field.last {
    margin-bottom: 0;
}

/* Form field with checkbox and button */
.form-field.last {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--md-spacing-md);
}

.form-field.last .checkbox.middle {
    position: relative;
    top: auto;
    transform: none;
}

.form-field input[type="text"],
.form-field input[type="password"],
.form-field input[type="email"] {
    font-family: var(--md-font);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.5px;
    color: var(--md-on-surface);
    background-color: var(--md-surface);
    padding: 14px 16px;
    width: 100%;
    height: 56px;
    border: none;
    border-radius: var(--md-radius-sm);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow var(--md-transition-quick);
}

.form-field input[type="text"]:hover,
.form-field input[type="password"]:hover,
.form-field input[type="email"]:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.form-field input[type="text"]:focus,
.form-field input[type="password"]:focus,
.form-field input[type="email"]:focus {
    box-shadow: 0 0 0 2px var(--md-primary);
    outline: none;
}

.form-field input::placeholder {
    color: var(--md-on-surface-variant);
    opacity: 1;
}

.form-field input:invalid:not(:placeholder-shown) {
    border-color: var(--md-error);
}

/* Form field with icon */
.form-field.with-icon {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--md-spacing-sm) var(--md-spacing-md);
}

.form-field.with-icon input[type="text"],
.form-field.with-icon input[type="password"],
.form-field.with-icon input[type="email"] {
    flex: 1 1 auto;
    min-width: 200px;
    max-width: calc(100% - 40px);
}

/* Error spans go to new line */
.form-field.with-icon .error {
    flex-basis: 100%;
    padding-left: 40px;
    margin-top: 0;
}

/* Override .middle positioning inside form-field */
.form-field.with-icon .middle {
    position: relative;
    top: auto;
    transform: none;
}

/* Icon styles */
.form-field.with-icon .email {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: url(../img/dentalpro/email.png) no-repeat center;
    background-size: contain;
}

.form-field.with-icon .password {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: url(../img/dentalpro/password.png) no-repeat center;
    background-size: contain;
}

.form-field.with-icon .edit {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: url(../img/dentalpro/edit.png) no-repeat center;
    background-size: contain;
}

.form-field.with-icon .calendar {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: url(../img/dentalpro/calendar.png) no-repeat center;
    background-size: contain;
}

.form-field.with-icon .user {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: url(../img/dentalpro/user.png) no-repeat center;
    background-size: contain;
}

.form-field.with-icon .windows-logo {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: url(../img/dentalpro/windows-logo.png) no-repeat center;
    background-size: contain;
}

.form-field.with-icon .openid-logo {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* Info and Error messages */
.info {
    font-size: 12px;
    line-height: 1.4;
    color: var(--md-on-surface-variant);
    display: block;
    margin-top: var(--md-spacing-xs);
    padding-left: 40px;
}

.error {
    color: var(--md-error);
    font-size: 12px;
    font-weight: 400;
    line-height: 1.4;
    display: block;
}

.form-field .error {
    margin-top: var(--md-spacing-xs);
    padding-left: 40px;
}

/* === Buttons (Material Design 3 Filled) === */
.button {
    background-color: var(--md-primary);
    font-family: var(--md-font);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1px;
    text-align: center;
    color: var(--md-on-primary);
    padding: 10px 24px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--md-spacing-sm);
    border: none;
    border-radius: var(--md-radius-full);
    cursor: pointer;
    transition: background-color var(--md-transition-standard),
                box-shadow var(--md-transition-standard),
                transform var(--md-transition-quick);
    text-decoration: none;
    white-space: nowrap;
}

.button:focus {
    outline: none;
}

.button:hover {
    background-color: var(--md-primary-hover);
    box-shadow: var(--md-elevation-1);
}

.button:active {
    transform: scale(0.98);
}

/* Primary action buttons */
.button.login,
.button.profile,
.button.register {
    min-width: 120px;
    margin-left: auto;
}

/* Full width buttons */
.button.login-windows,
.button.registration {
    width: 100%;
    justify-content: center;
}

/* Secondary button style */
.button.login-windows {
    background-color: var(--md-secondary);
}

.button.login-windows:hover {
    background-color: var(--md-secondary-hover);
}

.button.registration {
    background-color: var(--md-primary);
    border: none;
    color: var(--md-on-primary);
}

.button.registration:hover {
    background-color: var(--md-primary-hover);
}

/* Hide icons for full-width button rows */
.form-field.with-icon.btn-forgot-password .middle,
.form-field.with-icon.btn-registration .middle,
.form-field.with-icon:has(.button.registration) .middle,
.form-field.with-icon:has(.button.login-windows) .middle {
    display: none;
}

.form-field.with-icon.btn-forgot-password,
.form-field.with-icon.btn-registration,
.form-field.with-icon:has(.button.registration),
.form-field.with-icon:has(.button.login-windows) {
    justify-content: center;
}

/* === Checkbox (Material Design 3) === */
.checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--md-spacing-md);
}

.checkbox input[type='checkbox'] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    background-color: transparent;
    border: 2px solid var(--md-outline);
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--md-transition-quick);
    position: relative;
    margin-top: 2px;
}

.checkbox input[type='checkbox']:hover {
    border-color: var(--md-primary);
}

.checkbox input[type='checkbox']:checked {
    background-color: var(--md-primary);
    border-color: var(--md-primary);
}

.checkbox input[type='checkbox']:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 10px;
    border: solid var(--md-on-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

label {
    font-family: var(--md-font);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.25px;
    color: var(--md-on-surface);
    cursor: pointer;
}

.with-legend label {
    font-size: 14px;
}

.with-legend label.legend {
    font-size: 12px;
    color: rgba(58, 71, 88, 0.7);
    display: block;
    margin-top: var(--md-spacing-xs);
    line-height: 1.4;
}

/* === Custom Select === */
.cs-select {
    outline: none;
}

.cs-select span.cs-placeholder {
    font-family: var(--md-font);
    font-size: 16px;
    font-weight: 400;
    color: var(--md-on-surface-variant);
    background-color: var(--md-surface);
    display: block;
    position: relative;
    cursor: pointer;
    padding: 14px 16px;
    padding-right: 48px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: none;
    border-radius: var(--md-radius-sm);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow var(--md-transition-quick);
    background-image: url(../img/dentalpro/down_arrow.png);
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px 8px;
}

.cs-select span.cs-placeholder:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.cs-select.cs-active span.cs-placeholder {
    box-shadow: 0 0 0 2px var(--md-primary);
    background-image: url(../img/dentalpro/close.png);
    background-color: var(--md-surface);
    color: var(--md-on-surface);
}

.cs-select .cs-options {
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
    background: var(--md-surface);
    max-height: 0;
    border: 1px solid transparent;
    border-top: 0;
    border-radius: 0 0 var(--md-radius-xs) var(--md-radius-xs);
    transition: max-height var(--md-transition-standard);
}

.cs-select.cs-active .cs-options {
    max-height: 240px;
    border-color: var(--md-outline);
    box-shadow: var(--md-elevation-2);
}

.cs-select ul {
    list-style: none;
    margin: 0;
    padding: var(--md-spacing-xs) 0;
    width: 100%;
}

.cs-select ul li {
    transition: background-color var(--md-transition-quick);
}

.cs-select ul li:hover {
    background-color: var(--md-surface-variant);
}

.cs-select ul li span {
    padding: 12px 16px;
    display: block;
    position: relative;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    color: var(--md-on-surface);
}

.cs-select ul li.cs-selected span {
    background-color: rgba(58, 71, 88, 0.12);
    font-weight: 500;
}

.cs-select select {
    display: none;
}

/* === Divider === */
hr.divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(58, 71, 88, 0.3), transparent);
    margin: var(--md-spacing-lg) 0;
}

/* === Footer === */
.footer {
    width: 100%;
    text-align: center;
    padding: var(--md-spacing-md) 0;
    margin-top: auto;
    background-color: #ffffff;
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
}

.footer.fixed {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}

.footer.unfixed {
    position: relative;
}

.footer ul {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--md-spacing-sm);
}

.footer li {
    display: inline-flex;
    align-items: center;
    padding: 0 var(--md-spacing-md);
    border-right: 1px solid rgba(58, 71, 88, 0.3);
}

.footer li:last-child {
    border-right: 0;
}

.footer li,
.footer a {
    font-family: var(--md-font);
    color: var(--md-on-surface);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.4px;
    line-height: 1.5;
}

.footer a {
    transition: opacity var(--md-transition-quick);
}

.footer a:hover {
    opacity: 0.7;
}

.footer ul li.footer-icon {
    margin-left: var(--md-spacing-md);
    padding-left: 32px;
}

.footer ul li.footer-icon.click {
    background: url('../img/dentalpro/logo_header.png') no-repeat left center;
    background-size: 24px auto;
}

/* === Privacy Links === */
.privacy {
    margin: var(--md-spacing-md) auto 0 auto;
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    bottom: var(--md-spacing-sm);
    text-align: center;
}

.privacy,
.privacy a {
    font-family: var(--md-font);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.2px;
    color: rgba(58, 71, 88, 0.8);
}

.privacy a {
    text-decoration: none;
    transition: color var(--md-transition-quick);
    padding: var(--md-spacing-xs) var(--md-spacing-sm);
    border-radius: var(--md-radius-xs);
}

.privacy a:hover {
    color: var(--md-on-surface);
    background-color: rgba(58, 71, 88, 0.1);
}

/* === Privacy Terms Modal === */
.privacy-terms {
    background-color: var(--md-surface);
    padding: var(--md-spacing-lg) var(--md-spacing-xl);
    height: calc(100vh - 300px);
    overflow: auto;
    border-radius: var(--md-radius-lg);
}

.privacy-terms p {
    line-height: 1.6;
    color: var(--md-on-surface);
}

/* === jQuery UI Datepicker (Material Design 3) === */
.ui-widget-content {
    background-color: var(--md-surface);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-radius-md);
}

.ui-priority-secondary,
.ui-widget-content .ui-priority-secondary {
    opacity: 0.6;
}

.ui-datepicker.ui-widget.ui-widget-content {
    border: none;
    padding: 0;
    margin-top: var(--md-spacing-sm);
    width: auto;
    min-width: 280px;
    box-shadow: var(--md-elevation-3);
    border-radius: var(--md-radius-lg);
    overflow: hidden;
}

.ui-datepicker .ui-datepicker-header {
    background-color: var(--md-primary);
    height: auto;
    padding: var(--md-spacing-md);
    border-radius: 0;
}

.ui-datepicker-year {
    background-color: transparent;
    font-family: var(--md-font);
    font-size: 14px;
    font-weight: 500;
    color: var(--md-on-primary);
    border: 0;
    cursor: pointer;
    padding: var(--md-spacing-xs);
    border-radius: var(--md-radius-xs);
    transition: background-color var(--md-transition-quick);
}

.ui-datepicker-year:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.ui-datepicker-year:focus {
    outline: none;
}

.ui-datepicker table {
    margin: 0;
    padding: var(--md-spacing-md);
    display: block;
}

.ui-datepicker th {
    font-family: var(--md-font);
    font-size: 12px;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    text-transform: uppercase;
    padding: var(--md-spacing-sm);
    border: none;
}

.ui-datepicker th::before {
    display: none;
}

.ui-datepicker td {
    position: relative;
    padding: 2px;
}

.ui-datepicker td::before {
    display: none;
}

.ui-state-default,
.ui-widget-content .ui-state-default {
    font-family: var(--md-font);
    font-size: 14px;
    font-weight: 400;
    color: var(--md-on-surface);
    padding: var(--md-spacing-sm);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--md-transition-quick);
    border: none;
    background: transparent;
}

.ui-datepicker-today .ui-state-default.ui-state-highlight {
    background-color: var(--md-surface-variant);
    color: var(--md-on-surface);
    font-weight: 500;
}

.ui-state-hover {
    background-color: rgba(58, 71, 88, 0.08) !important;
    color: var(--md-on-surface) !important;
}

.ui-state-default.ui-state-active {
    background-color: var(--md-primary);
    color: var(--md-on-primary);
}

.ui-datepicker .ui-datepicker-title {
    font-family: var(--md-font);
    font-size: 16px;
    font-weight: 500;
    color: var(--md-on-primary);
}

.ui-datepicker .ui-datepicker-prev,
.ui-datepicker .ui-datepicker-next {
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    top: 50%;
    transform: translateY(-50%);
    background-color: transparent;
    transition: background-color var(--md-transition-quick);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.ui-datepicker .ui-datepicker-prev:hover,
.ui-datepicker .ui-datepicker-next:hover {
    background-color: rgba(255, 255, 255, 0.15) !important;
}

.ui-datepicker .ui-datepicker-prev {
    left: var(--md-spacing-sm);
    background-image: url(../img/dentalpro/cal_arrow_left.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 8px auto;
}

.ui-datepicker .ui-datepicker-next {
    right: var(--md-spacing-sm);
    background-image: url(../img/dentalpro/cal_arrow_right.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 8px auto;
}

.ui-datepicker .ui-datepicker-prev span,
.ui-datepicker .ui-datepicker-next span {
    display: none;
}

/* === Consent Buttons === */
.button-consent {
    width: calc(50% - var(--md-spacing-sm));
    display: inline-flex;
}

.button-consent:first-child {
    margin-right: var(--md-spacing-sm);
}

.button-consent:last-child {
    margin-left: var(--md-spacing-sm);
}

/* === Responsive Design === */
@media (max-width: 480px) {
    :root {
        --md-spacing-lg: 20px;
        --md-spacing-xl: 24px;
    }

    .navbar .brand .logo {
        max-width: 200px;
    }

    .card {
        margin: var(--md-spacing-md) auto;
        padding: var(--md-spacing-lg);
        border-radius: var(--md-radius-lg);
    }

    .card .title {
        font-size: 20px;
    }

    .form-field.with-icon {
        flex-wrap: wrap;
    }

    .form-field.with-icon > div:first-child {
        display: none;
    }

    .form-field .error {
        padding-left: 0;
    }

    .button.login,
    .button.profile,
    .button.register {
        width: 100%;
        margin-left: 0;
    }

    .checkbox {
        flex-wrap: wrap;
    }

    label {
        font-size: 13px;
    }

    .footer li {
        padding: 0 var(--md-spacing-sm);
        font-size: 11px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .card {
        max-width: 500px;
        padding: var(--md-spacing-lg);
    }

    .navbar .brand .logo {
        max-width: 280px;
    }
}

@media (min-width: 769px) and (max-width: 992px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 993px) and (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1201px) {
    .container {
        max-width: 1140px;
    }
}

/* === Firefox specific fixes === */
@-moz-document url-prefix() {
    .checkbox label {
        padding-top: 0;
    }

    .checkbox input[type='checkbox']:checked::after {
        top: 0;
    }
}

/* === Focus visible for accessibility === */
.button:focus-visible,
input:focus-visible,
.checkbox input[type='checkbox']:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

/* === Print styles === */
@media print {
    .navbar,
    .footer {
        display: none;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}