:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-soft: #eff6ff;

    --color-background: #f3f6fb;
    --color-surface: #ffffff;
    --color-surface-secondary: #f8fafc;

    --color-text: #172033;
    --color-text-muted: #64748b;
    --color-border: #dbe3ef;

    --color-success: #15803d;
    --color-success-background: #f0fdf4;
    --color-success-border: #bbf7d0;

    --color-error: #b91c1c;
    --color-error-background: #fef2f2;
    --color-error-border: #fecaca;

    --color-warning: #a16207;
    --color-warning-background: #fffbeb;
    --color-warning-border: #fde68a;

    --color-info: #0369a1;
    --color-info-background: #f0f9ff;
    --color-info-border: #bae6fd;

    --shadow-small: 0 4px 16px rgb(15 23 42 / 0.06);
    --shadow-medium: 0 12px 30px rgb(15 23 42 / 0.1);
    --shadow-large: 0 24px 60px rgb(15 23 42 / 0.14);

    --radius-small: 8px;
    --radius-medium: 14px;
    --radius-large: 22px;

    --transition: 160ms ease;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    color: var(--color-text);
    background: var(--color-background);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--color-text);
    background: var(--color-background);
}

body.modal-open {
    overflow: hidden;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

a {
    color: inherit;
}

[hidden] {
    display: none !important;
}

/* Login */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(circle at top left,
            rgb(37 99 235 / 0.18),
            transparent 34%),
        radial-gradient(circle at bottom right,
            rgb(14 165 233 / 0.12),
            transparent 30%),
        var(--color-background);
}

.auth-container {
    width: 100%;
    max-width: 460px;
}

.auth-card {
    padding: 36px;
    border: 1px solid rgb(255 255 255 / 0.72);
    border-radius: var(--radius-large);
    background: rgb(255 255 255 / 0.94);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(18px);
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
}

.auth-logo,
.topbar-logo {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: -0.04em;
    background: linear-gradient(145deg,
            var(--color-primary),
            #0ea5e9);
    box-shadow: 0 10px 24px rgb(37 99 235 / 0.28);
}

.auth-logo {
    width: 58px;
    height: 58px;
    border-radius: 17px;
    font-size: 20px;
}

.auth-brand h1 {
    margin: 0;
    font-size: 27px;
    letter-spacing: -0.035em;
}

.auth-brand p {
    margin: 5px 0 0;
    color: var(--color-text-muted);
    font-size: 14px;
}

.auth-form {
    display: grid;
    gap: 20px;
}

.auth-footer {
    margin: 24px 0 0;
    color: var(--color-text-muted);
    font-size: 13px;
    text-align: center;
}

/* Form */

.form-group {
    display: grid;
    gap: 8px;
}

.form-group label {
    color: var(--color-text);
    font-size: 14px;
    font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    outline: none;
    color: var(--color-text);
    background: var(--color-surface);
    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        background-color var(--transition);
}

.form-group input {
    min-height: 48px;
    padding: 11px 14px;
}

.form-group select {
    min-height: 48px;
    padding: 10px 13px;
}

.form-group textarea {
    min-height: 92px;
    padding: 11px 13px;
    resize: vertical;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #b8c5d8;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgb(37 99 235 / 0.12);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    cursor: not-allowed;
    color: var(--color-text-muted);
    background: #f1f5f9;
}

input[type="date"],
input[type="time"],
input[type="datetime-local"] {
    appearance: none;
    min-width: 0;
}

input[type="datetime-local"]::-webkit-datetime-edit {
    min-width: 0;
    padding: 0;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    flex: 0 0 auto;
    cursor: pointer;
}

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

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

.password-field {
    position: relative;
}

.password-field input {
    padding-right: 84px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    min-width: 68px;
    padding: 7px 9px;
    border: 0;
    border-radius: 6px;
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 700;
    background: transparent;
    transform: translateY(-50%);
}

.password-toggle:hover,
.password-toggle:focus-visible {
    outline: none;
    background: var(--color-primary-soft);
}

/* Pulsanti */

.button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 17px;
    border: 1px solid transparent;
    border-radius: var(--radius-small);
    font-weight: 750;
    text-align: center;
    text-decoration: none;
    transition:
        background-color var(--transition),
        border-color var(--transition),
        color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

.button:hover {
    transform: translateY(-1px);
}

.button:active {
    transform: translateY(0);
}

.button:focus-visible {
    outline: 3px solid rgb(37 99 235 / 0.22);
    outline-offset: 2px;
}

.button-primary {
    color: #ffffff;
    background: var(--color-primary);
    box-shadow: 0 8px 18px rgb(37 99 235 / 0.2);
}

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

.button-secondary {
    border-color: var(--color-border);
    color: var(--color-text);
    background: var(--color-surface);
}

.button-secondary:hover {
    border-color: #b8c5d8;
    background: var(--color-surface-secondary);
}

.button-danger {
    border-color: var(--color-error-border);
    color: var(--color-error);
    background: var(--color-error-background);
}

.button-danger:hover {
    border-color: var(--color-error);
    background: #fee2e2;
}

.button-full {
    width: 100%;
}

/* Alert */

.flash-container {
    display: grid;
    gap: 10px;
    margin-bottom: 20px;
}

.alert {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    padding: 13px 14px;
    border: 1px solid;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.45;
    box-shadow: 0 4px 12px rgb(15 23 42 / 0.04);
}

.alert-indicator {
    width: 9px;
    height: 9px;
    flex: 0 0 auto;
    margin-top: 5px;
    border-radius: 50%;
    background: currentColor;
}

.alert-content {
    flex: 1;
    min-width: 0;
}

.alert-success {
    border-color: var(--color-success-border);
    color: var(--color-success);
    background: var(--color-success-background);
}

.alert-error {
    border-color: var(--color-error-border);
    color: var(--color-error);
    background: var(--color-error-background);
}

.alert-warning {
    border-color: var(--color-warning-border);
    color: var(--color-warning);
    background: var(--color-warning-background);
}

.alert-info {
    border-color: var(--color-info-border);
    color: var(--color-info);
    background: var(--color-info-background);
}

/* Barra superiore */

.topbar {
    display: flex;
    min-height: 74px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 12px 28px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
}

.topbar-brand,
.topbar-actions {
    display: flex;
    align-items: center;
}

.topbar-brand {
    min-width: 0;
    gap: 12px;
}

.topbar-logo {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    font-size: 15px;
}

.topbar-brand>div:last-child,
.user-information {
    min-width: 0;
}

.topbar-brand strong,
.topbar-brand span,
.user-information strong,
.user-information span {
    display: block;
}

.topbar-brand strong {
    overflow: hidden;
    font-size: 17px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-brand span,
.user-information span {
    margin-top: 2px;
    overflow: hidden;
    color: var(--color-text-muted);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-actions {
    flex: 0 0 auto;
    gap: 14px;
}

.user-information {
    max-width: 240px;
    text-align: right;
}

.user-information strong {
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Elementi generali */

.page-container {
    width: min(1180px, calc(100% - 40px));
    margin: 36px auto;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.welcome-card {
    padding: 34px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
}

.welcome-card h1 {
    margin: 0;
    font-size: clamp(27px, 4vw, 40px);
    line-height: 1.12;
    letter-spacing: -0.04em;
}

.welcome-card p:not(.eyebrow) {
    max-width: 720px;
    margin: 14px 0 0;
    color: var(--color-text-muted);
    line-height: 1.65;
}

.dashboard-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

/* Calendario */

.calendar-container {
    width: min(1600px, calc(100% - 36px));
    margin: 28px auto 40px;
}

.calendar-flash-container {
    max-width: 900px;
    margin-right: auto;
    margin-left: auto;
}

.calendar-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 410px);
    gap: 22px;
    align-items: start;
}

.calendar-panel,
.appointment-panel {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
}

.calendar-panel {
    min-width: 0;
    overflow: hidden;
}

.calendar-toolbar {
    display: flex;
    min-height: 94px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.calendar-toolbar h1 {
    margin: 0;
    font-size: clamp(25px, 3vw, 34px);
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.calendar-toolbar-actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 8px;
}

.calendar-navigation-button {
    width: 44px;
    padding-right: 0;
    padding-left: 0;
    font-size: 25px;
    line-height: 1;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-secondary);
}

.calendar-weekday {
    min-width: 0;
    padding: 12px 8px;
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 800;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-day {
    position: relative;
    min-width: 0;
    min-height: 132px;
    padding: 8px;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    transition:
        background-color var(--transition),
        box-shadow var(--transition);
}

.calendar-day:nth-child(7n) {
    border-right: 0;
}

.calendar-day:nth-last-child(-n + 7) {
    border-bottom: 0;
}

.calendar-day:hover {
    z-index: 1;
    background: #fbfdff;
    box-shadow: inset 0 0 0 1px rgb(37 99 235 / 0.14);
}

.calendar-day-outside {
    background: #f8fafc;
}

.calendar-day-outside .calendar-day-number,
.calendar-day-outside .calendar-event {
    opacity: 0.45;
}

.calendar-day-today {
    background: var(--color-primary-soft);
}

.calendar-day-header {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 2px 2px 8px;
    border: 0;
    color: inherit;
    background: transparent;
}

.calendar-day-header:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 8px;
}

.calendar-day-number {
    display: inline-flex;
    width: 29px;
    height: 29px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 800;
}

.calendar-day-today .calendar-day-number {
    color: #ffffff;
    background: var(--color-primary);
}

.calendar-today-label {
    color: var(--color-primary);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.calendar-day-events {
    display: grid;
    gap: 5px;
}

.calendar-event {
    display: flex;
    width: 100%;
    min-width: 0;
    align-items: center;
    gap: 6px;
    padding: 6px 7px;
    border: 0;
    border-left: 3px solid;
    border-radius: 6px;
    color: var(--color-text);
    text-align: left;
    background: #eef4ff;
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        background-color var(--transition);
}

.calendar-event:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgb(15 23 42 / 0.1);
}

.calendar-event:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

.calendar-event-time {
    display: block;
    overflow: hidden;
    color: var(--color-text-muted);
    font-size: 10px;
    font-weight: 800;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-event-title {
    display: block;
    min-width: 0;
    overflow: hidden;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-event-scheduled {
    border-left-color: #2563eb;
    background: #eff6ff;
}

.calendar-event-confirmed {
    border-left-color: #059669;
    background: #ecfdf5;
}

.calendar-event-completed {
    border-left-color: #64748b;
    background: #f1f5f9;
}

.calendar-event-cancelled {
    border-left-color: #dc2626;
    text-decoration: line-through;
    background: #fef2f2;
    opacity: 0.72;
}

.calendar-more-events {
    padding: 2px 7px;
    color: var(--color-text-muted);
    font-size: 10px;
    font-weight: 700;
}

/* Pannello appuntamento */

/* Pannello appuntamento */

.appointment-panel {
    position: sticky;
    top: 20px;
    min-width: 0;
    padding: 22px;
    overflow: hidden;
}

.appointment-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 22px;
}

.appointment-panel-header>div {
    min-width: 0;
}

.appointment-panel-header h2 {
    margin: 0;
    font-size: 23px;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.appointment-reset-button {
    min-height: 38px;
    flex: 0 0 auto;
    padding: 7px 12px;
    font-size: 13px;
}

.appointment-form {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: 1fr;
    gap: 16px;
}

.appointment-form .form-group {
    width: 100%;
    min-width: 0;
}

.appointment-form .form-group input,
.appointment-form .form-group select,
.appointment-form .form-group textarea {
    width: 100%;
    min-width: 0;
    max-width: 100%;
}

.appointment-form input[type="datetime-local"] {
    display: block;
    width: 100%;
    min-width: 0;
    max-width: 100%;
}

.appointment-date-row {
    display: grid;
    min-width: 0;
    grid-template-columns: 1fr;
    gap: 14px;
}

.appointment-contact-row {
    display: grid;
    min-width: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.appointment-contact-row>.form-group,
.appointment-date-row>.form-group {
    min-width: 0;
}

.appointment-form-actions {
    display: flex;
    width: 100%;
    gap: 10px;
    padding-top: 5px;
}

.appointment-form-actions .button-primary {
    flex: 1;
}

.appointment-form-actions .button-danger {
    flex: 0 0 auto;
}

/* Modale personalizzata */

.modal-backdrop {
    position: fixed;
    z-index: 1000;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgb(15 23 42 / 0.56);
    backdrop-filter: blur(4px);
}

.confirmation-modal {
    width: min(100%, 460px);
    padding: 26px;
    border: 1px solid rgb(255 255 255 / 0.5);
    border-radius: 18px;
    background: var(--color-surface);
    box-shadow: var(--shadow-large);
}

.confirmation-modal-header h2 {
    margin: 0;
    font-size: 24px;
    letter-spacing: -0.03em;
}

.confirmation-modal>p {
    margin: 14px 0 0;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.confirmation-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

/* Tablet */

@media (max-width: 1250px) {
    .calendar-layout {
        grid-template-columns: minmax(0, 1fr) 360px;
    }

    .appointment-panel {
        padding: 18px;
    }

    .appointment-contact-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1050px) {
    .calendar-layout {
        grid-template-columns: 1fr;
    }

    .calendar-panel {
        order: 1;
    }

    .appointment-panel {
        position: static;
        order: 2;
        width: 100%;
    }

    .appointment-date-row,
    .appointment-contact-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Smartphone */

@media (max-width: 760px) {
    .auth-page {
        align-items: flex-start;
        padding: 18px;
    }

    .auth-container {
        margin-top: 7vh;
    }

    .auth-card {
        padding: 26px 22px;
        border-radius: 18px;
    }

    .auth-brand {
        align-items: flex-start;
    }

    .auth-logo {
        width: 52px;
        height: 52px;
        border-radius: 15px;
    }

    .auth-brand h1 {
        font-size: 24px;
    }

    .topbar {
        align-items: flex-start;
        padding: 14px 16px;
    }

    .topbar-actions {
        align-items: flex-end;
        gap: 10px;
    }

    .user-information span {
        display: none;
    }

    .page-container {
        width: min(100% - 28px, 1180px);
        margin-top: 22px;
    }

    .welcome-card {
        padding: 24px 20px;
        border-radius: 16px;
    }

    .calendar-container {
        width: min(100% - 20px, 1600px);
        margin-top: 14px;
    }

    .calendar-toolbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 18px;
    }

    .calendar-toolbar-actions {
        width: 100%;
        justify-content: space-between;
    }

    .calendar-weekday {
        padding: 10px 2px;
        font-size: 10px;
    }

    .calendar-day {
        min-height: 92px;
        padding: 4px;
    }

    .calendar-day-header {
        padding-bottom: 4px;
    }

    .calendar-day-number {
        width: 25px;
        height: 25px;
        font-size: 11px;
    }

    .calendar-today-label {
        display: none;
    }

    .calendar-event {
        padding: 4px;
        border-left-width: 2px;
    }

    .calendar-event-time {
        display: block;
        font-size: 8px;
    }

    .calendar-event-title {
        font-size: 9px;
    }

    .calendar-more-events {
        padding-left: 3px;
        font-size: 9px;
    }

    .appointment-panel {
        padding: 18px 15px;
        border-radius: 16px;
    }

    .appointment-date-row,
    .appointment-contact-row {
        grid-template-columns: 1fr;
    }

    .appointment-form input[type="datetime-local"] {
        min-height: 50px;
        padding-right: 10px;
        font-size: 16px;
    }

    .appointment-form input,
    .appointment-form select,
    .appointment-form textarea {
        font-size: 16px;
    }

    .appointment-form-actions {
        flex-direction: column;
    }

    .appointment-form-actions .button {
        width: 100%;
    }

    .confirmation-modal-actions {
        flex-direction: column-reverse;
    }

    .confirmation-modal-actions .button {
        width: 100%;
    }
}

@media (max-width: 520px) {
    .topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar-actions {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }

    .user-information {
        max-width: 100%;
        text-align: left;
    }

    .button-secondary {
        min-height: 40px;
    }

    .calendar-panel {
        overflow-x: auto;
    }

    .calendar-weekdays,
    .calendar-grid {
        min-width: 650px;
    }

    .calendar-toolbar-actions .button:not(.calendar-navigation-button) {
        flex: 1;
    }

    .appointment-panel-header {
        align-items: stretch;
        flex-direction: column;
    }

    .appointment-reset-button {
        width: 100%;
    }
}