/* ==========================================================================
   ASTRO CRM — DESIGN SYSTEM & MASTER APPSHELL STYLES
   Strict Light Mode: #F8FAFC canvas, #FFFFFF surface, #0F172A text, #EF6C00 action
   ALL VISUAL TEXT IN STRICT ALL CAPS (ALL MAIUSC)
   MOBILE-FIRST & FULL RESPONSIVE
   ========================================================================== */

:root {
    --color-canvas: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-surface-subtle: #F1F5F9;
    --color-text-main: #0F172A;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --color-border-hover: #CBD5E1;
    --color-primary: #EF6C00;
    --color-primary-hover: #D86000;
    --color-primary-light: #FFF7ED;
    --color-success: #10B981;
    --color-success-bg: #ECFDF5;
    --color-warning: #F59E0B;
    --color-warning-bg: #FFFBEB;
    --color-danger: #EF4444;
    --color-sidebar-bg: #FFFFFF;
    --color-sidebar-text: #0F172A;
    --color-sidebar-active: #EF6C00;

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-full: 9999px;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --sidebar-width: 260px;
    --header-height: 60px;
    --bottom-bar-height: 60px;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-canvas);
    color: var(--color-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    text-transform: uppercase;
}

/* ==========================================================================
   SOVRANE ECCEZIONI ALL MAIUSC (RULE: CASING_AND_EMAIL_EXCEPTIONS_LAW)
   1. Indirizzi email & input email: RIGOROSAMENTE MINUSCOLO NATURALE
   2. Testo corpo & oggetto email outbound: TESTO NATURALE GRAMMATICALE
   ========================================================================== */
input[type="email"],
input.email-input,
.user-email-badge,
.email-text,
.email-cell,
.email-field,
.outbound-email-body,
.outbound-email-subject,
.email-container,
[data-field="email"],
[data-type="email"] {
    text-transform: none !important;
}

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */

.app-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* Sidebar for Desktop */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-sidebar-bg);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    border-right: 1px solid var(--color-border);
    transition: transform 0.25s ease-in-out;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-bottom: 1px solid var(--color-border);
    gap: 12px;
}

.sidebar-logo-icon {
    background: var(--color-primary);
    color: #FFFFFF;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
}

.sidebar-logo-text {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    color: #64748B;
    letter-spacing: 0.05em;
    padding: 12px 10px 4px 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: #475569;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-item:hover {
    background: #F1F5F9;
    color: var(--color-text-main);
}

.nav-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
    font-weight: 700;
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--color-border);
    background: var(--color-canvas);
}


/* Main Content Area */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: calc(100% - var(--sidebar-width));
}

.top-header {
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-text-main);
    padding: 4px;
}

.header-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--color-text-main);
    letter-spacing: -0.01em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.workspace-content {
    flex: 1;
    padding: 24px;
    background: var(--color-canvas);
}

/* ==========================================================================
   MOBILE BOTTOM TAB BAR
   ========================================================================== */

.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-bar-height);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    z-index: 100;
    justify-content: space-around;
    align-items: center;
    padding: 0 4px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.bottom-tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 9px;
    font-weight: 700;
    cursor: pointer;
    flex: 1;
    height: 100%;
    padding: 4px 0;
    gap: 2px;
    transition: color 0.15s ease;
}

.bottom-tab-item .tab-icon {
    font-size: 18px;
}

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

.bottom-tab-item.active .tab-icon {
    transform: scale(1.1);
}

/* ==========================================================================
   UI COMPONENTS (CARDS, BUTTONS, BADGES, KPIS)
   ========================================================================== */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--color-text-main);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.kpi-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

.kpi-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-main);
}

.kpi-sub {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid transparent;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--color-primary);
    color: #FFFFFF;
}

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

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

.btn-secondary:hover {
    background: var(--color-surface-subtle);
    border-color: var(--color-border-hover);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 10px;
    font-weight: 800;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }

/* Data Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.data-table th {
    text-align: left;
    padding: 10px 14px;
    background: var(--color-surface-subtle);
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.data-table tr:hover td {
    background: #F8FAFC;
}

/* Form Inputs */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

.input-field {
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-main);
    font-size: 13px;
    font-weight: 600;
    outline: none;
    transition: border-color 0.15s ease;
}

.input-field:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(239, 108, 0, 0.1);
}

/* ==========================================================================
   LOGIN VIEW STYLES
   ========================================================================== */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: #F8FAFC;
}

.login-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    width: 100%;
    maxWidth: 420px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

.login-header {
    text-align: center;
    margin-bottom: 24px;
}

.login-logo-badge {
    background: var(--color-primary);
    color: #FFFFFF;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 12px;
}

.login-title {
    font-size: 22px;
    font-weight: 900;
    color: var(--color-text-main);
    letter-spacing: 0.02em;
}

.login-subtitle {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.login-error-alert {
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.login-submit-btn {
    width: 100%;
    height: 44px;
    font-size: 13px;
    margin-top: 8px;
}

.login-divider {
    text-align: center;
    margin: 20px 0 16px 0;
    position: relative;
}

.login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border);
}

.login-divider span {
    background: #FFFFFF;
    padding: 0 10px;
    position: relative;
    font-size: 10px;
    font-weight: 700;
    color: var(--color-text-muted);
}

.login-bypass-btn {
    width: 100%;
    height: 40px;
    font-size: 11px;
}

.otp-info-banner {
    background: #F8FAFC;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
    margin-bottom: 20px;
}

.otp-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.otp-digit-input {
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: 800;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #FFFFFF;
    color: var(--color-text-main);
    outline: none;
    transition: all 0.15s ease;
}

.otp-digit-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(239, 108, 0, 0.15);
}

.otp-timer-row {
    text-align: center;
    margin-bottom: 16px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 9px;
    font-weight: 700;
    color: var(--color-text-muted);
}

/* ==========================================================================
   ECCEZIONI EMAIL SOVRANE
   ========================================================================== */

input[type="email"],
.email-input,
.email-text,
.user-email-badge {
    text-transform: none !important;
}

/* ==========================================================================
   SIDEBAR ACCORDION STYLES (DESKTOP)
   ========================================================================== */

.accordion-module-group {
    margin-bottom: 6px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    cursor: pointer;
    background: #F8FAFC;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    user-select: none;
    color: var(--color-text-main);
}

.accordion-header:hover {
    background: #F1F5F9;
}

.accordion-header.module-active {
    background: var(--color-primary-light);
    border-left: 3px solid var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.accordion-arrow {
    font-size: 8px;
    color: #64748B;
    transition: transform 0.2s ease;
}

.accordion-arrow.open {
    transform: rotate(180deg);
}

.accordion-body {
    padding: 4px 0 4px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.accordion-sub-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    font-size: 11px;
    color: #475569;
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
}

.accordion-sub-item:hover {
    color: var(--color-text-main);
    background: #F1F5F9;
}

.accordion-sub-item.sub-active {
    color: var(--color-primary);
    font-weight: 700;
    background: var(--color-primary-light);
}


/* ==========================================================================
   MOBILE SLIDE-UP BOTTOM DRAWER (SUB-SECTIONS SHEET)
   ========================================================================== */

.mobile-drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    display: flex;
    align-items: flex-end;
    animation: fadeIn 0.2s ease;
}

.mobile-drawer-sheet {
    background: #FFFFFF;
    width: 100%;
    max-height: 80vh;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    padding: 12px 16px 24px 16px;
    box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.15);
    border-top: 1px solid #E2E8F0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: slideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.drawer-drag-handle {
    width: 40px;
    height: 4px;
    background: #CBD5E1;
    border-radius: 99px;
    margin: 0 auto 4px auto;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid #E2E8F0;
}

.drawer-close-btn {
    background: none;
    border: none;
    font-size: 18px;
    color: #64748B;
    cursor: pointer;
    padding: 4px 8px;
}

.drawer-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 60vh;
    overflow-y: auto;
}

.drawer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    min-height: 48px;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
}

.drawer-item:hover, .drawer-item:active {
    background: #FFF7ED;
    border-color: var(--color-primary);
}

.drawer-item-active {
    background: #FFF7ED;
    border-color: var(--color-primary);
    border-left: 4px solid var(--color-primary);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

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

/* ==========================================================================
   MOBILE-FIRST MEDIA QUERIES (< 768px)
   ========================================================================== */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0;
        width: 100%;
        padding-bottom: calc(var(--bottom-bar-height) + 16px);
    }

    .mobile-menu-btn {
        display: block;
    }

    .mobile-bottom-bar {
        display: flex;
    }

    .top-header {
        padding: 0 16px;
    }

    .workspace-content {
        padding: 12px;
    }

    .dashboard-header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 16px;
    }

    .dashboard-actions-group {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        width: 100%;
    }

    .dashboard-actions-group button {
        flex: 1 1 calc(50% - 8px);
        font-size: 11px;
        padding: 8px;
    }

    .kpi-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .kpi-card {
        padding: 12px;
    }

    .kpi-value {
        font-size: 20px;
    }
}