/* ==========================================================================
   APP
   ========================================================================== */

:root {
    --primary: #71835d;
    --primary-dark: #174253;
    --accent: #f2b84b;
    --bg: #f5f7f8;
    --card: #ffffff;
    --text: #22313a;
    --muted: #6c7a80;
    --border: #dfe6e9;
    --success: #2f8f5b;
    --warning: #d99020;
    --danger: #c94c4c;
    --error: #d75868;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(20, 42, 56, 0.08);
    --sidebar-width: 260px;
    --main-padding: clamp(18px, 2vw, 34px);
    --content-max-width: 100%;
    --panel-gap: clamp(16px, 1.4vw, 22px);
}

* {
    box-sizing: border-box;
}

html {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--bg);
    color: var(--text);
    padding: 0 !important;
    min-height: 100%;
    overflow-x: hidden;
}

button,
input,
select,
textarea,
table,
.sidebar,
.modal,
.panel,
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: inherit;
}

.app {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    width: 100%;
    min-height: 100vh;
    height: 100vh;
    overflow: hidden;
}

.main {
    width: 100%;
    height: 100vh;
    margin-left: 0;
    padding: var(--main-padding);
    overflow-x: hidden;
    overflow-y: auto;
    min-width: 0;
}

.main > .topbar,
.main > .stats,
.main > .grid,
.main > .notifications-grid,
.main > .assessments-grid,
.main > .library-grid,
.main > .student-landing-grid,
.main > .invoice-list-grid,
.main > .settings-grid,
.main > .settings-single-grid,
.main > .settings-company-grid,
.main > .subscription-grid,
.main > .panel {
    width: 100%;
    max-width: var(--content-max-width);
    margin-right: auto;
    margin-left: auto;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(12px, 1.3vw, 20px);
    margin-bottom: clamp(18px, 2vw, 28px);
}

.page-title h1 {
    margin: 0;
    font-size: clamp(28px, 2.1vw, 34px);
    font-weight: 500;
}

.page-title p {
    margin: 8px 0 0;
    color: var(--muted);
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* Sidebar */

.sidebar {
    background: var(--primary-dark);
    color: #ffffff;
    padding: clamp(20px, 2vw, 28px) clamp(16px, 1.6vw, 22px);
    position: sticky;
    top: 0;
    left: 0;
    z-index: 20;
    width: var(--sidebar-width);
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: clamp(18px, 2vw, 28px);
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: clamp(10px, 1.3vw, 18px);
}

.brand-logo {
    width: clamp(118px, 10vw, 140px);
    max-width: 100%;
    height: auto;
    display: block;
}

.nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
}

.nav a,
.sidebar-menu-link {
    color: #ffffff;
    text-decoration: none;
    padding: clamp(10px, 1vw, 13px) clamp(10px, 1vw, 14px);
    border-radius: 8px;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    transition: background 0.15s ease;
}

.nav a.active,
.nav a:hover,
.sidebar-menu-link.active,
.sidebar-menu-link:hover {
    background: rgba(255,255,255,0.12);
}

.sidebar-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
}

.akonga-icon {
    display: block;
    flex: 0 0 auto;
}

.nav-plus {
    margin-left: auto;
    width: 26px;
    height: 26px;
    min-width: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: 4px;
    color: #ffffff;
    font-size: 18px;
    font-weight: 400;
    line-height: 1;
}

.sidebar-divider {
    border-top: 1px solid rgba(255,255,255,0.16);
    margin: clamp(10px, 1.2vw, 18px) 0;
    flex: 0 0 auto;
}

.sidebar-footer-divider {
    margin-top: auto;
}

.sidebar-signout {
    margin-top: 4px;
}

/* Panels and cards */

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(14px, 1.2vw, 18px);
    margin-bottom: clamp(18px, 1.8vw, 26px);
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(16px, 1.3vw, 20px);
    min-width: 0;
}

.stat-card span {
    display: block;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 8px;
}

.stat-card strong {
    display: block;
    font-size: clamp(24px, 2vw, 30px);
}

.grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--panel-gap);
    align-items: start;
}

.panel {
    background: var(--card);
    border: 0 solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
}

.panel-header {
    position: relative;
    padding: clamp(16px, 1.3vw, 20px) clamp(16px, 1.5vw, 22px);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.panel-header h2 {
    margin: 0;
    font-size: clamp(18px, 1.35vw, 20px);
    font-weight: 600;
}

.panel-header a,
.panel-action-link {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    font-size: 14px;
}

.panel-action-link {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
}

.panel-action-link:hover {
    color: var(--accent) !important;
    background: transparent !important;
    text-decoration: none !important;
}

.empty-state {
    padding: 22px;
    color: var(--muted);
    font-size: 14px;
}

/* Tables */

table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    padding: clamp(12px, 1vw, 15px) clamp(14px, 1.4vw, 22px);
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

thead th {
    padding-top: clamp(14px, 1.4vw, 22px);
    padding-bottom: clamp(14px, 1.4vw, 22px);
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    background: #fafbfb;
}

.clickable-row,
tr.clickable-row {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.clickable-row:hover,
table tbody tr.clickable-row:hover,
table tbody tr.clickable-row:hover td {
    background-color: #f5f7f8 !important;
}

/* Forms */

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

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

label {
    display: block;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--muted);
}

input,
textarea {
    width: 100%;
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
}

select {
    width: 100%;
    min-width: 0;
    min-height: 46px;
    padding: 12px 42px 12px 12px;
    border: 0;
    border-radius: 8px;
    background-color: #f0f1f4;
    background-image:
        linear-gradient(45deg, transparent 50%, #4b5563 50%),
        linear-gradient(135deg, #4b5563 50%, transparent 50%);
    background-position:
        calc(100% - 18px) 50%,
        calc(100% - 12px) 50%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

select:hover {
    background-color: #e7e9ed;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

input:focus,
textarea:focus {
    border-color: var(--primary);
    outline: none;
}

select:focus,
select:focus-visible,
select:active {
    border: 0;
    outline: none;
    box-shadow: none;
}

/* Buttons */

.btn {
    width: auto;
    min-width: 0;
    min-height: 46px;
    padding: 12px 22px;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    max-width: 100%;
}

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

.btn-primary:hover {
    background: #677456;
    color: #ffffff;
}

.btn-secondary {
    background: #ffffff;
    color: var(--primary-dark);
}

.btn-cancel {
    border: 1px solid #222222;
}

.btn-secondary:hover {
    background: #f5f7f8;
}

.btn-danger,
.btn.btn-danger {
    background: var(--danger);
    color: #ffffff;
}

.btn-danger:hover,
.btn.btn-danger:hover {
    background: #b63f3f;
    color: #ffffff;
}

.btn-small {
    min-width: 160px;
}

.button-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.button-row-right {
    margin-left: auto;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.button-row .btn-back-student {
    margin-left: auto;
}

/* List search and sorting */

.list-panel-header {
    align-items: center;
    gap: 16px;
}

.list-header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.list-search {
    margin: 0;
}

.list-search-field {
    width: min(320px, 30vw);
    min-width: min(250px, 100%);
    height: 46px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #ffffff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.list-search-field input[type="search"] {
    width: 100%;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
}

.list-search-field input[type="search"]:focus {
    border: 0;
    outline: none;
}

.list-search-icon {
    flex: 0 0 auto;
    color: var(--muted);
}

.list-search-clear {
    width: 30px;
    height: 30px;
    min-width: 30px;
    color: var(--muted) !important;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.list-search-clear:hover {
    color: var(--danger) !important;
}

.sort-link,
.dashboard-sort-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: inherit;
    text-decoration: none;
}

.sort-link:hover,
.sort-link:focus,
.dashboard-sort-link:hover,
.dashboard-sort-link:focus {
    color: var(--primary-dark);
}

.sort-link.is-active,
.dashboard-sort-link.is-active {
    color: var(--primary-dark);
    font-weight: 700;
}

th.is-sorted {
    color: var(--primary-dark);
}

.sort-icon {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
}

.sort-icon-idle {
    color: var(--muted);
    opacity: 0.72;
}

.sort-icon-active {
    color: var(--primary-dark);
}

.sr-only {
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    border: 0;
    position: absolute;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

@media (max-width: 760px) {
    .list-panel-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .list-header-actions,
    .list-search,
    .list-search-field {
        width: 100%;
    }
}

.btn-caregiver {
    background: #5c7484 !important;
    color: #ffffff !important;
}

.btn-caregiver:hover {
    background: #4c6371 !important;
}

.btn-products {
    background: #465a69 !important;
    color: #ffffff !important;
}

.btn-products:hover {
    background: #384955 !important;
}

/* Icon buttons */

.icon-btn,
.invoice-pdf-btn,
.invoice-edit-icon-btn,
.invoice-delete-icon-btn,
.lesson-delete-icon-btn,
.notification-delete-icon-btn,
.assessment-delete-icon-btn,
.product-delete-icon-btn,
.contact-delete-icon-btn,
.contact-table-delete-btn,
.student-product-remove-icon-btn,
.settings-delete-icon-btn,
.photo-delete-btn,
.intro-close-btn {
    width: 42px;
    height: 42px;
    min-width: 42px;
    max-width: 42px;
    padding: 0;
    border: 0;
    border-radius: 4px;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    line-height: 1;
    text-decoration: none;
}

.invoice-pdf-btn {
    background: #0b273c;
}

.invoice-pdf-btn:hover {
    background: #14364f;
}

.invoice-edit-icon-btn {
    background: #5c7484;
}

.invoice-edit-icon-btn:hover {
    background: #4c6371;
}

.invoice-delete-icon-btn,
.lesson-delete-icon-btn,
.notification-delete-icon-btn,
.assessment-delete-icon-btn,
.product-delete-icon-btn,
.contact-delete-icon-btn,
.contact-table-delete-btn,
.student-product-remove-icon-btn,
.settings-delete-icon-btn,
.photo-delete-btn,
.intro-close-btn {
    background: var(--danger);
}

.invoice-delete-icon-btn:hover,
.lesson-delete-icon-btn:hover,
.notification-delete-icon-btn:hover,
.assessment-delete-icon-btn:hover,
.product-delete-icon-btn:hover,
.contact-delete-icon-btn:hover,
.contact-table-delete-btn:hover,
.student-product-remove-icon-btn:hover,
.settings-delete-icon-btn:hover,
.photo-delete-btn:hover,
.intro-close-btn:hover {
    background: #b63f3f;
}

.icon-btn svg,
.invoice-pdf-btn svg,
.invoice-edit-icon-btn svg,
.invoice-delete-icon-btn svg,
.lesson-delete-icon-btn svg,
.notification-delete-icon-btn svg,
.assessment-delete-icon-btn svg,
.product-delete-icon-btn svg,
.contact-delete-icon-btn svg,
.contact-table-delete-btn svg,
.student-product-remove-icon-btn svg,
.settings-delete-icon-btn svg,
.photo-delete-btn svg,
.intro-close-btn svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* Pills and alerts */

.pill {
    display: inline-flex;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: capitalize;
}

.pill-success {
    background: rgba(47,143,91,0.12);
    color: var(--success);
}

.pill-danger {
    background: rgba(201,76,76,0.12);
    color: var(--danger);
}

.pill-warning {
    background: rgba(242,184,75,0.16);
    color: var(--warning);
}

.pill-calendar {
    background: rgba(113,131,93,0.12);
    color: var(--primary-dark);
}

.pill-assessment {
    background: rgba(113,131,93,0.14);
    color: var(--primary-dark);
    text-decoration: none;
}

.pill-assessment:hover {
    background: rgba(113,131,93,0.24);
}

.pill-phone {
    margin-left: 12px;
    vertical-align: middle;
    background: rgba(34,49,58,0.08);
    color: #6c7a80;
    font-size: 12px;
    white-space: nowrap;
}

.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 18px;
}

.alert-success,
.top-success {
    background: rgba(47,143,91,0.12);
    color: var(--success);
}

.alert-error,
.top-error {
    background: rgba(201,76,76,0.12);
    color: var(--danger);
}

.top-message {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    animation: fadeOut 0.5s ease forwards;
    animation-delay: 5.5s;
}

.panel-header .top-message {
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(-4px);
    }
}

/* Modals */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.modal-content {
    background: #ffffff;
    padding: clamp(18px, 2vw, 24px);
    border-radius: 12px;
    width: min(520px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
    text-align: center;
}

.modal-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* Utilities */

.student-name-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.student-name-cell {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: 12px;
}

.student-name-cell .pill-phone {
    justify-self: start;
    margin-left: 0;
}

/* Responsive */

@media (max-width: 1400px) {
    :root {
        --sidebar-width: 230px;
        --main-padding: clamp(16px, 1.7vw, 26px);
        --panel-gap: 18px;
    }

    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1100px) {
    :root {
        --sidebar-width: 220px;
        --main-padding: 16px;
        --panel-gap: 16px;
    }

    .grid {
        gap: 16px;
    }

    .btn {
        padding-right: 18px;
        padding-left: 18px;
    }

    .btn-small {
        min-width: 140px;
    }
}

@media (max-width: 980px) {
    html,
    body {
        height: auto;
        overflow-x: hidden;
    }

    .app,
    .stats,
    .grid,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .app {
        height: auto;
        overflow: visible;
    }

    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        min-height: auto;
        overflow: visible;
    }

    .main {
        width: 100%;
        height: auto;
        min-height: 100vh;
        margin-left: 0;
        padding: 24px;
        overflow: visible;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .actions {
        justify-content: flex-start;
    }
}

@media (max-width: 760px) {
    .main {
        padding: 18px;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .panel {
        border-radius: 10px;
    }

    .button-row,
    .button-row-right,
    .modal-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button-row .btn,
    .button-row-right .btn,
    .modal-actions .btn {
        width: 100%;
    }
}