:root {
    --primary-blue: #0071e3;
    --blue-hover: #0077ed;
    --core-black: #1d1d1f;
    --core-white: #ffffff;
    --elevated-gray: #f5f5f7;
    --muted-gray: #86868b;
    --border-stroke: rgba(0, 0, 0, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.72);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-card: 24px;
    --radius-standard: 12px;
    --radius-pill: 999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--core-white);
    color: var(--core-black);
    line-height: 1.47;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.glass-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-stroke);
    padding: 16px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 32px;
    width: auto;
}

nav {
    display: flex;
    gap: 24px;
}

.nav-link {
    text-decoration: none;
    color: var(--core-black);
    font-size: 14px;
    font-weight: 500;
    opacity: 0.8;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    opacity: 1;
    color: var(--primary-blue);
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 0 40px;
}

h1 {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.text-gradient {
    background: linear-gradient(135deg, #0071e3 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 21px;
    color: var(--muted-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* App Grid */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
    padding: 40px 0 80px;
}

.app-card {
    background: var(--elevated-gray);
    border-radius: var(--radius-card);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.app-card:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-blue);
}

.app-icon {
    width: 64px;
    height: 64px;
    background: var(--core-white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 32px;
}

.app-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.app-desc {
    font-size: 15px;
    color: var(--muted-gray);
    margin-bottom: 24px;
    flex-grow: 1;
}

.btn-launch {
    background: var(--primary-blue);
    color: var(--core-white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    align-self: flex-start;
}

.btn-launch:hover {
    background: var(--blue-hover);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-stroke);
    color: var(--muted-gray);
    font-size: 14px;
}

@media (max-width: 768px) {
    h1 { font-size: 40px; }
    .app-grid { grid-template-columns: 1fr; }
}

/* Admin Toggle */
.admin-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted-gray);
}

.switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 20px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

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

input:checked + .slider:before {
    transform: translateX(16px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
    overflow: auto;
}

.modal-content {
    background-color: var(--core-white);
    margin: 10% auto;
    padding: 40px;
    border-radius: var(--radius-card);
    width: 90%;
    max-width: 600px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    animation: modalScale 0.3s var(--transition);
}

@keyframes modalScale {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.close-modal {
    position: absolute;
    right: 24px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--muted-gray);
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--core-black);
}

/* One-Pager Content */
.one-pager-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.one-pager-title {
    font-size: 32px;
    font-weight: 700;
}

.one-pager-blurb {
    font-size: 17px;
    color: var(--core-black);
    margin-bottom: 32px;
    line-height: 1.6;
}

.spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.spec-item {
    background: var(--elevated-gray);
    padding: 16px;
    border-radius: var(--radius-standard);
}

.spec-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--muted-gray);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.spec-value {
    font-size: 15px;
    font-weight: 500;
    color: var(--core-black);
}

/* Buttons in Card */
.card-actions {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.btn-info {
    background: transparent;
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-info:hover {
    background: rgba(0, 113, 227, 0.05);
}

/* Editable Styles */
.edit-input {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-standard);
    border: 1px solid var(--border-stroke);
    font-family: inherit;
    font-size: 24px;
    font-weight: 700;
    background: var(--elevated-gray);
}

.edit-input-small {
    width: 100%;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid var(--border-stroke);
    font-family: inherit;
    font-size: 13px;
    background: var(--elevated-gray);
    margin-top: 4px;
}

.field-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--muted-gray);
    margin-bottom: 8px;
}

.edit-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border-radius: var(--radius-standard);
    border: 1px solid var(--border-stroke);
    font-family: inherit;
    font-size: 16px;
    margin-bottom: 16px;
    background: var(--elevated-gray);
    resize: vertical;
}

.spec-value a {
    color: var(--primary-blue);
    text-decoration: none;
    word-break: break-all;
}

.spec-value a:hover {
    text-decoration: underline;
}

.btn-save {
    background: #34c759;
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: 16px;
}

.btn-save:hover {
    background: #28a745;
}