@font-face {
    font-family: 'Helvetica Neue';
    src: url('/fonts/HelveticaNeue-Roman.woff2') format('woff2'),
         url('/fonts/HelveticaNeue-Roman.woff') format('woff');
    font-weight: 400;
    font-style: normal;
}

:root {

    /* Fonts */
    --primary-font: 'Fredoka', sans-serif;
    --secondary-font: 'Helvetica Neue',sans-serif;
    --body-font: 'Inter', sans-serif;

    /* Color Scheme */
    --blue:#0780B5;
    --dark: #061820;
    --dark-grey: #8C9FA7;
    --light-blue:#96D2ED;
    --light: #F4FBFE;
    --white:#fefefe;

    /* Dark Theme (Default) */
    --bg-color: var(--dark);
    --sidebar-bg: var(--dark);

    --text-color: var(--white);
    --text-color-light: var(--light-blue);
    --text-color-inverted: var(--light);

    --primary-color: var(--blue);
    --primary-color-hover: var(--light-blue);
    --primary-color-light: var(--light);

    --border-color:  rgba(115, 210, 237, 0.2);;
    --input-bg: rgba(244, 251, 254, 0.2);
    --input-border-focus: var(--primary-color);
    --error-color: #e57373;
    --success-color: #4db6ac;

    --header-bg: rgba(244, 251, 254, 0.2);
    --header-color: var(--light);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -2px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --subtle-bg: rgba(255, 255, 255, 0.1);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI", "Segoe UI Symbol";
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
}

/* Light Theme applied via class on <html> tag */
html.light-theme {
    --bg-color: var(--white);
    --sidebar-bg: var(--white);
    --text-color: var(--dark);
    --text-color-light: var(--dark-grey);
    --text-color-inverted: var(--white);
    --border-color: rgba(140, 159, 167, 0.2);
    --input-bg: var(--light);
    --header-bg: var(--light-blue);
    --header-color: var(--dark);
    --input-border-focus: var(--primary-color);

    --error-color: #ef4444;
    --success-color: #10b981;
    /* A brighter green for light mode */

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.05);
    --subtle-bg: var(--light);
}

h1{
    font-family: var(--primary-font);
    font-weight: 500;
    font-size: 50px;
    letter-spacing: -2%;
}

h2{
    font-family: var(--primary-font);
    font-weight: 500;
    font-size: 40px;
    letter-spacing: -2%;
}

h3{
    font-family: var(--secondary-font);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -2%;
}

.subtitle{
    font-family: var(--secondary-font);
    font-weight: 400;
    font-style: italic;
    font-size: 24px;
}

p{
    font-family: var(--body-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 140%;
}

.smaller-text{
    font-family: var(--body-font);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 3%;
}

.pre-title{
    font-family: var(--secondary-font);
    font-weight: 400;
    font-size: 16px;
    letter-spacing: 3%;
}

.button-text{
    font-family: var(--secondary-font);
    font-weight: 400;
    font-size: 16px;
    letter-spacing: 4%;
}

.link-text{
    font-family: var(--secondary-font);
    font-weight: 400;
    font-size: 16px;
    letter-spacing: 4%;
    text-decoration: underline;
}

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

.hidden {
    display: none !important;
}

#manager-view {
    max-width: 1200px;
    margin: 4% auto;
    padding: 24px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.header h2 {
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.header-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--border-radius-md);
    color: var(--text-color-light);
    cursor: pointer;
    text-decoration: none;
    border: none;
    background: none;
    font-family: var(--secondary-font);
    font-weight: 400;
    font-size: 16px;
    letter-spacing: 4%;
}

.header-link:hover {
    background-color: var(--subtle-bg);
    color: var(--text-color);
}

/* --- Theme Toggle Switch --- */
.theme-toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    transition: background-color .4s;
    border-radius: 28px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-color-light);
    transition: transform .4s, background-color .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--primary-color);
}

input:checked+.slider:before {
    transform: translateX(22px);
    background-color: var(--text-color-inverted);
}


#status-message {
    text-align: center;
    min-height: 20px;
    margin-bottom: 16px;
    padding: 10px 16px;
    border-radius: var(--border-radius-md);
    font-weight: 500;
}

#status-message.success {
    color: #fff;
    background-color: var(--success-color);
}

#status-message.error {
    color: #fff;
    background-color: var(--error-color);
}

.card {
    background: var(--sidebar-bg);
    padding: 24px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

/* --- Common Form & Button Styles --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color-light);
    text-transform: uppercase;
}

.styled-input {
    width: 100%;
    padding: 12px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: var(--body-font);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 3%;
}

.styled-input:focus {
    outline: none;
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 2px rgba(7, 127, 180, 0.3);
}

.styled-button {
    padding: 14px;
    border: none;
    border-radius: var(--border-radius-md);
    background-color: var(--primary-color);
    color: var(--text-color-inverted);
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;

    font-family: var(--secondary-font);
    font-weight: 400;
    font-size: 16px;
    letter-spacing: 4%;
}

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

.styled-button:disabled {
    background-color: #555;
    cursor: not-allowed;
}

#create-user-form {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
}

#create-user-form .form-group {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
}

#create-user-form button {
    height: 50px;
    /* Align with input height + padding */
}

.table-container {
    overflow-x: auto;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.users-table th,
.users-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.users-table th {
    background-color: var(--header-bg);
    text-transform: uppercase;
    color: var(--header-color);
    font-family: var(--body-font);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 3%;
}

.users-table tr:hover {
    background-color: var(--subtle-bg);
}

.users-table td.actions {
    display: flex;
    gap: 8px;
}

.users-table .action-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-color-light);
    padding: 6px 8px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
}

.users-table .action-btn:hover {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

.users-table .action-btn.disable-btn:hover {
    background-color: rgba(229, 115, 115, 0.2);
    color: var(--error-color);
    border-color: transparent;
}

.users-table .action-btn.enable-btn:hover {
    background-color: rgba(77, 182, 172, 0.2);
    color: var(--success-color);
    border-color: transparent;
}


/* --- Modal --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 24px;
}

.modal-content {
    background: var(--sidebar-bg);
    padding: 24px;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 450px;
    box-sizing: border-box;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.modal-content h3 {
    margin-top: 0;
}

.modal-actions {
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-actions button {
    padding: 10px 20px;
    font-weight: 600;
}

.modal-actions .cancel-btn {
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.modal-actions .cancel-btn:hover {
    background-color: var(--subtle-bg);
}

/* MOBILE ≤768px */
@media (max-width: 768px) {
    /* page shell */
    #manager-view {
      padding: 16px;
      margin: 0 auto;
    }

    /* header */
    .header {
      gap: 12px;
      margin-bottom: 16px;
    }
    .header h2 { font-size: 24px; }
    .header-actions {
      width: 100%;
      justify-content: flex-start;   /* or space-between */
      gap: 10px;
      flex-wrap: wrap;
    }
    .header-link {
      padding: 8px 10px;
      font-size: 14px;
    }

    /* create user form */
    #create-user-form {
      gap: 12px;
      align-items: stretch;
    }
    #create-user-form .form-group {
      min-width: 0;
      width: 100%;                   /* stack inputs */
      margin-bottom: 8px;
    }
    #create-user-form button {
      width: 100%;
      height: 48px;
    }

    /* cards */
    .card {
      padding: 16px;
      margin-bottom: 16px;
    }
    .card h3 {
      margin-bottom: 12px;
      padding-bottom: 8px;
    }

    /* table: keep horizontal scroll, tighten rows */
    .table-container {
      margin: 0 -16px;               /* edge-to-edge scroll */
      padding: 0 16px;
    }
    .users-table {
      min-width: 560px;              /* prevent squishing to unreadable */
    }
    .users-table th,
    .users-table td {
      padding: 10px 12px;
      font-size: 14px;
      white-space: nowrap;           /* keep columns compact */
    }

    /* action buttons touch targets */
    .users-table td.actions {
      gap: 6px;
    }
    .users-table .action-btn {
      padding: 8px 10px;
      font-size: 14px;
    }

    /* modal */
    .modal { padding: 16px; }
    .modal-content {
      padding: 16px;
      max-width: 92vw;
    }
    .modal-actions {
      gap: 10px;
      justify-content: stretch;
    }
    .modal-actions button {
      flex: 1 1 0;                   /* full-width buttons */
    }
  }
