* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;

    background:
        radial-gradient(circle at 15% 20%, rgba(36, 116, 255, 0.22), transparent 35%),
        radial-gradient(circle at 85% 80%, rgba(217, 54, 62, 0.18), transparent 35%),
        #0b0f17;

    background-attachment: fixed;
    color: #ffffff;

    display: flex;
    justify-content: center;
    align-items: center;

    min-height: 100vh;
}

.login-container {
    background-color: #151b26;
    width: 400px;
    padding: 40px;
    border-radius: 12px;

    text-align: center;

    /* Blue accent around card */
    border: 1px solid #2474ff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.45);
}

h1 {
    margin-bottom: 10px;
    color: #ffffff;
}

h2 {
    margin-bottom: 25px;
    color: #4d8dff;
}

input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;

    background-color: #0f141d;
    color: #ffffff;

    border: 1px solid #394354;
    border-radius: 5px;

    font-size: 16px;
}

input::placeholder {
    color: #8d96a5;
}

input:focus {
    outline: none;
    border-color: #2474ff;
    box-shadow: 0 0 0 2px rgba(36, 116, 255, 0.2);
}

button {
    width: 100%;
    padding: 12px;

    background-color: #1261d8;
    color: white;

    border: none;
    border-radius: 5px;

    font-size: 16px;
    font-weight: bold;
    cursor: pointer;

    transition: 0.2s;
}

button:hover {
    background-color: #155ed1;
}

a {
    color: #4d8dff;
}

a:hover {
    color: #76a7ff;
}

#loginError {
    margin-top: 15px;
    color: #ff4d5a;
    font-weight: bold;
}

/* Registration/contact messages */
#registerError,
#contactError {
    color: #ff4d5a;
    margin-top: 15px;
}

#registerMessage,
#contactMessage {
    color: #4d8dff;
    margin-top: 15px;
}

/* CONTACTS PAGE */

.contacts-container {
    background-color: #151b26;
    width: 1000px;
    max-width: 95%;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #2474ff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.45);
}

/* Header */

.contacts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.contacts-header h1 {
    margin: 0;
}

.logout-button {
    width: auto;
    padding: 10px 25px;
    background-color: #d9363e;
}

.logout-button:hover {
    background-color: #b9272f;
}

/* Two-column layout */

.contacts-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Left side */

.contacts-panel {
    min-width: 0;
}

.contacts-panel h2,
.add-contact-panel h2 {
    margin-top: 0;
    color: #4d8dff;
}

#searchContacts {
    margin-bottom: 20px;
}

#contactsList {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 5px;
}

/* Contact cards */

.contact-card {
    background-color: #0f141d;
    border: 1px solid #394354;
    border-left: 4px solid #2474ff;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 15px;
    text-align: left;
}

.contact-card h3 {
    color: #ffffff;
    margin: 0 0 8px 0;
}

.contact-card p {
    color: #b8c0cc;
    margin: 5px 0;
}

.contact-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.contact-actions button {
    flex: 1;
}

.edit-button {
    background-color: #2474ff;
}

.edit-button:hover {
    background-color: #155ed1;
}

.delete-button {
    background-color: #d9363e;
}

.delete-button:hover {
    background-color: #b9272f;
}

/* Right side */

.add-contact-panel {
    background-color: #0f141d;
    border: 1px solid #394354;
    border-radius: 10px;
    padding: 25px;
}

.add-contact-panel h2 {
    text-align: center;
}

#contactMessage {
    text-align: center;
    min-height: 20px;
}

/* MOBILE LAYOUT */

@media (max-width: 750px) {

    body {
        align-items: flex-start;
        padding: 20px 0;
    }

    .contacts-container {
        padding: 25px;
    }

    .contacts-layout {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .contacts-header {
        flex-direction: column;
        gap: 15px;
    }

    .logout-button {
        width: 100%;
    }

    #contactsList {
        max-height: none;
    }
}

/* ==============================
   ADMIN DASHBOARD
   ============================== */

.admin-container {
    width: 1100px;
    max-width: 90%;
    margin: 60px auto;
    padding: 40px;
    background: #161e2b;
    border: 1px solid #2f7df6;
    border-radius: 12px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.admin-header h1,
.admin-header h2 {
    margin: 0 0 10px 0;
}

.admin-header #logoutButton {
    width: auto;
    padding: 12px 30px;
    background-color: #d9363e;
}

.admin-header #logoutButton:hover {
    background-color: #b9272f;
    box-shadow: 0 6px 18px rgba(217, 54, 62, 0.25);
}

.admin-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 40px;
    align-items: start;
}

.admin-users,
.admin-controls {
    background: #101722;
    border: 1px solid #3c485a;
    border-radius: 10px;
    padding: 25px;
}

.admin-users h2,
.admin-controls h2 {
    margin-top: 0;
    color: #4b86f9;
}

#adminSearch {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 20px;
}

.admin-user-card {
    border: 1px solid #3c485a;
    border-left: 5px solid #2f7df6;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 15px;
    background: #101722;
}

.admin-user-card h3 {
    margin: 0 0 10px 0;
}

.admin-user-card p {
    margin: 6px 0;
}

.manage-user-button {
    margin-top: 12px;
    width: 100%;
}

#selectedUser {
    margin-top: 20px;
}

/* Stack the admin sections on smaller screens */
@media (max-width: 800px) {
    .admin-content {
        grid-template-columns: 1fr;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* ==============================
   VISUAL POLISH
   ============================== */

/* Glass effect for main containers */
.login-container,
.contacts-container,
.admin-container {
    background: rgba(21, 27, 38, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    border: 1px solid rgba(77, 141, 255, 0.45);

    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.45),
        0 0 35px rgba(36, 116, 255, 0.08);
}

button {
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(36, 116, 255, 0.25);
}

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

.delete-button:hover,
.logout-button:hover {
    box-shadow: 0 6px 18px rgba(217, 54, 62, 0.25);
}

.contact-card,
.admin-user-card {
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.contact-card:hover,
.admin-user-card:hover {
    transform: translateY(-2px);
    border-color: #4d8dff;

    box-shadow:
        0 8px 20px rgba(0, 0, 0, 0.25),
        0 0 15px rgba(36, 116, 255, 0.08);
}

input {
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

input:hover {
    border-color: #536174;
}

input:focus {
    background-color: #121925;
    border-color: #4d8dff;

    box-shadow:
        0 0 0 3px rgba(36, 116, 255, 0.12),
        0 0 15px rgba(36, 116, 255, 0.08);
}

.user-badges {
    display: flex;
    gap: 8px;
    margin: 12px 0;
}

.role-badge,
.status-badge {
    display: inline-block;
    width: fit-content;
    padding: 5px 10px;

    border-radius: 20px;

    font-size: 12px;
    font-weight: bold;
}

.admin-badge {
    background: rgba(36, 116, 255, 0.15);
    color: #76a7ff;
    border: 1px solid rgba(36, 116, 255, 0.35);
}

.user-badge {
    background: rgba(255, 255, 255, 0.08);
    color: #c4ccd8;
    border: 1px solid #394354;
}

.active-badge {
    background: rgba(61, 190, 120, 0.12);
    color: #65d89a;
    border: 1px solid rgba(61, 190, 120, 0.3);
}

.disabled-badge {
    background: rgba(217, 54, 62, 0.12);
    color: #ff6b74;
    border: 1px solid rgba(217, 54, 62, 0.3);
}

#loginError,
#registerError,
#contactError {
    color: #ff6b74;
}

#registerMessage,
#contactMessage,
#adminMessage {
    font-size: 14px;
    font-weight: bold;
    margin-top: 12px;
    min-height: 18px;
}

#adminMessage {
    color: #65d89a;
}

.selected-user-info {
    background: rgba(15, 20, 29, 0.7);
    border: 1px solid #394354;
    border-radius: 8px;
    padding: 20px;
}

.selected-user-info h3 {
    color: #ffffff;
    margin-top: 20px;
}

.selected-user-info h3:first-child {
    color: #4d8dff;
    margin-top: 0;
}

.selected-user-info hr {
    border: none;
    border-top: 1px solid #394354;
    margin: 20px 0;
}

.disable-user-button {
    background-color: #d9363e;
}

.disable-user-button:hover {
    background-color: #b9272f;
    box-shadow: 0 6px 18px rgba(217, 54, 62, 0.25);
}

.enable-user-button {
    background-color: #26965c;
}

.enable-user-button:hover {
    background-color: #1f7a4b;
    box-shadow: 0 6px 18px rgba(38, 150, 92, 0.25);
}

.login-container {
    padding: 35px 40px;
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.5),
        0 0 30px rgba(36, 116, 255, 0.12);
}

.login-container h1 {
    letter-spacing: -0.5px;
}

.login-container h2 {
    margin-top: 25px;
    margin-bottom: 25px;
}

/* Keep the user list contained */
#adminUsersList {
    max-height: 550px;
    overflow-y: auto;
    padding-right: 8px;
}

/* Keep admin controls visible while scrolling users */
.admin-controls {
    position: sticky;
    top: 30px;
}

/* Cleaner scrollbar */
#adminUsersList::-webkit-scrollbar {
    width: 7px;
}

#adminUsersList::-webkit-scrollbar-track {
    background: #0f141d;
    border-radius: 10px;
}

#adminUsersList::-webkit-scrollbar-thumb {
    background: #394b68;
    border-radius: 10px;
}

#adminUsersList::-webkit-scrollbar-thumb:hover {
    background: #4d8dff;
}

/* Selected admin user */
.admin-user-card.selected {
    border-color: #4d8dff;
    border-left-color: #4d8dff;

    background: rgba(36, 116, 255, 0.08);

    box-shadow:
        0 0 0 1px rgba(36, 116, 255, 0.15),
        0 0 20px rgba(36, 116, 255, 0.12);
}

#adminSearch {
    border-radius: 8px;
    padding: 13px 15px;
}

#adminSearch:focus {
    border-color: #4d8dff;
    box-shadow:
        0 0 0 3px rgba(36, 116, 255, 0.12),
        0 0 18px rgba(36, 116, 255, 0.08);
}

/* ==============================
   CREATE ADMIN
   ============================== */

.admin-divider {
    border: none;
    border-top: 1px solid #394354;
    margin: 30px 0;
}

.create-admin-section h2 {
    margin-bottom: 8px;
}

.create-admin-section > p {
    color: #b8c0cc;
    margin-bottom: 20px;
}

#createAdminForm {
    background: rgba(15, 20, 29, 0.7);
    border: 1px solid #394354;
    border-radius: 8px;
    padding: 20px;
}

#createAdminForm button {
    margin-top: 5px;
}

#createAdminMessage {
    margin: 12px 0 0;
    min-height: 18px;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
}

/* ==============================
   ADMIN - ALL CONTACTS
   ============================== */

.admin-all-contacts {
    margin-top: 30px;
    padding: 28px;

    background: rgba(15, 20, 29, 0.75);
    border: 1px solid #394354;
    border-radius: 10px;
}

.admin-contacts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-contacts-header h2 {
    color: #4d8dff;
    margin: 0 0 8px;
}

.admin-contacts-header p {
    color: #b8c0cc;
    margin: 0;
}

#adminContactSearch {
    margin-bottom: 20px;
}

/* Contact list */
#adminContactsList {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;

    max-height: 550px;
    overflow-y: auto;
    padding-right: 8px;
}

/* Individual admin contact */
.admin-contact-card {
    background: #111823;
    border: 1px solid #394354;
    border-left: 4px solid #2474ff;
    border-radius: 8px;
    padding: 18px;

    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.admin-contact-card:hover {
    transform: translateY(-2px);
    border-color: #4d8dff;

    box-shadow:
        0 8px 20px rgba(0, 0, 0, 0.25),
        0 0 15px rgba(36, 116, 255, 0.08);
}

.admin-contact-card h3 {
    margin: 0 0 12px;
    color: #ffffff;
}

.admin-contact-card p {
    margin: 7px 0;
    color: #c4ccd8;
}

/* Shows which user owns the contact */
.contact-owner {
    display: inline-block;
    margin-top: 10px;
    padding: 5px 10px;

    border-radius: 20px;

    background: rgba(36, 116, 255, 0.15);
    border: 1px solid rgba(36, 116, 255, 0.35);

    color: #76a7ff;
    font-size: 12px;
    font-weight: bold;
}

/* Scrollbar */
#adminContactsList::-webkit-scrollbar {
    width: 7px;
}

#adminContactsList::-webkit-scrollbar-track {
    background: #0f141d;
    border-radius: 10px;
}

#adminContactsList::-webkit-scrollbar-thumb {
    background: #394b68;
    border-radius: 10px;
}

#adminContactsList::-webkit-scrollbar-thumb:hover {
    background: #4d8dff;
}

/* Mobile */
@media (max-width: 800px) {
    #adminContactsList {
        grid-template-columns: 1fr;
    }
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    margin-right: 6px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    font-size: 18px;
    vertical-align: middle;
    box-shadow: 0 0 14px rgba(59, 130, 246, 0.35);
}

/* Dotted Veil shader background (see dotted-veil.js) */
#dotted-veil {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: -1;
    background: #020109;
    pointer-events: none;
}

/* Solid login card over the shader background */
.login-container {
    background: #151b26;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}