/* ============================================
   REAP Community Ideas – Fluent UI Inspired
   ============================================ */

:root {
    --ms-blue: #0078d4;
    --ms-blue-dark: #005a9e;
    --ms-blue-light: #deecf9;
    --ms-green: #107c10;
    --ms-red: #d13438;
    --ms-orange: #ffb900;
    --ms-purple: #8764b8;
    --ms-gray-10: #faf9f8;
    --ms-gray-20: #f3f2f1;
    --ms-gray-30: #edebe9;
    --ms-gray-40: #d2d0ce;
    --ms-gray-80: #605e5c;
    --ms-gray-90: #3b3a39;
    --ms-gray-100: #323130;
    --ms-gray-130: #1b1a19;
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-4: 0 1.6px 3.6px rgba(0,0,0,.132), 0 .3px .9px rgba(0,0,0,.108);
    --shadow-8: 0 3.2px 7.2px rgba(0,0,0,.132), 0 .6px 1.8px rgba(0,0,0,.108);
    --shadow-16: 0 6.4px 14.4px rgba(0,0,0,.132), 0 1.2px 3.6px rgba(0,0,0,.108);
    --radius: 8px;
}

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

body {
    font-family: var(--font-family);
    color: var(--ms-gray-100);
    background: var(--ms-gray-10);
    line-height: 1.5;
}

a {
    color: var(--ms-blue);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: #fff;
    border-bottom: 1px solid var(--ms-gray-30);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.ms-logo {
    width: 20px;
    height: 20px;
}
.header-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ms-gray-130);
}
.header-nav {
    display: flex;
    gap: 1.5rem;
}
.header-nav a {
    font-size: 0.8125rem;
    color: var(--ms-gray-80);
    font-weight: 500;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
}
.header-nav a.active,
.header-nav a:hover {
    color: var(--ms-blue);
    border-bottom-color: var(--ms-blue);
    text-decoration: none;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #0078d4 0%, #004578 100%);
    color: #fff;
    padding: 3rem 0;
    text-align: center;
}
.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.hero h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    border: none;
    transition: all 0.15s;
}
.btn-primary {
    background: #fff;
    color: var(--ms-blue);
}
.hero .btn-primary:hover {
    background: var(--ms-blue-light);
}
.btn-secondary {
    background: transparent;
    color: var(--ms-gray-80);
    border: 1px solid var(--ms-gray-40);
}
.btn-secondary:hover {
    background: var(--ms-gray-20);
}

/* Model Cards Section */
.models-section {
    padding: 2rem 0;
    background: #fff;
    border-bottom: 1px solid var(--ms-gray-30);
}
.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--ms-gray-130);
}
.model-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.model-card {
    background: var(--ms-gray-10);
    border: 1px solid var(--ms-gray-30);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.model-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0.5rem 0 0.4rem;
    color: var(--ms-gray-130);
}
.model-card p {
    font-size: 0.8125rem;
    color: var(--ms-gray-80);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}
.model-links {
    display: flex;
    gap: 1rem;
}
.model-links a {
    font-size: 0.8125rem;
    font-weight: 600;
}

/* Badges */
.model-badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 3px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-mmctagent {
    background: #e8d4f0;
    color: #5c2d82;
}
.badge-paza {
    background: #d4edda;
    color: #155724;
}

.status-badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 3px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.status-new {
    background: var(--ms-blue-light);
    color: var(--ms-blue-dark);
}
.status-under-review {
    background: #fff4ce;
    color: #7a6400;
}
.status-in-progress {
    background: #dff6dd;
    color: #107c10;
}
.status-completed {
    background: #d2d0ce;
    color: #3b3a39;
}

.type-tag {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 3px;
    font-size: 0.6875rem;
    color: var(--ms-gray-80);
    background: var(--ms-gray-20);
    border: 1px solid var(--ms-gray-40);
}

/* Ideas Section */
.ideas-section {
    padding: 1.5rem 0 3rem;
}
.ideas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.sort-tabs {
    display: flex;
    gap: 0;
    border: 1px solid var(--ms-gray-40);
    border-radius: 4px;
    overflow: hidden;
}
.tab {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: var(--font-family);
    background: #fff;
    border: none;
    border-right: 1px solid var(--ms-gray-40);
    cursor: pointer;
    color: var(--ms-gray-80);
    transition: all 0.15s;
}
.tab:last-child {
    border-right: none;
}
.tab.active {
    background: var(--ms-blue);
    color: #fff;
}
.tab:hover:not(.active) {
    background: var(--ms-gray-20);
}

.filter-controls {
    display: flex;
    gap: 0.5rem;
}
.filter-controls select {
    padding: 0.45rem 0.75rem;
    font-size: 0.8125rem;
    font-family: var(--font-family);
    border: 1px solid var(--ms-gray-40);
    border-radius: 4px;
    background: #fff;
    color: var(--ms-gray-100);
    cursor: pointer;
}

/* Idea Cards */
.ideas-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.idea-card {
    background: #fff;
    border: 1px solid var(--ms-gray-30);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    box-shadow: var(--shadow-4);
    transition: box-shadow 0.15s;
}
.idea-card:hover {
    box-shadow: var(--shadow-8);
}

.vote-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 56px;
}
.vote-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--ms-gray-40);
    border-radius: var(--radius);
    background: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    gap: 2px;
}
.vote-btn:hover:not(.voted):not(:disabled) {
    border-color: var(--ms-blue);
    background: var(--ms-blue-light);
}
.vote-btn.voted {
    border-color: var(--ms-blue);
    background: var(--ms-blue);
    cursor: default;
}
.vote-btn.voted .vote-arrow {
    border-bottom-color: #fff;
}
.vote-btn.voted .vote-count {
    color: #fff;
}
.vote-arrow {
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 8px solid var(--ms-gray-80);
    transition: border-color 0.15s;
}
.vote-btn:hover:not(.voted):not(:disabled) .vote-arrow {
    border-bottom-color: var(--ms-blue);
}
.vote-count {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--ms-gray-100);
    font-family: var(--font-family);
}
.vote-label {
    font-size: 0.6875rem;
    color: var(--ms-gray-80);
    margin-top: 0.25rem;
}

.idea-content {
    flex: 1;
    min-width: 0;
}
.idea-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ms-gray-130);
    margin-bottom: 0.35rem;
    line-height: 1.4;
}
.idea-description {
    font-size: 0.8125rem;
    color: var(--ms-gray-80);
    margin-bottom: 0.75rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.idea-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.idea-author {
    font-size: 0.75rem;
    color: var(--ms-gray-80);
}
.idea-time {
    font-size: 0.75rem;
    color: var(--ms-gray-80);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ms-gray-80);
}
.empty-state svg {
    margin-bottom: 1rem;
}
.empty-state h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--ms-gray-100);
}
.empty-state p {
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
}
.empty-state .btn-primary {
    background: var(--ms-blue);
    color: #fff;
}
.empty-state .btn-primary:hover {
    background: var(--ms-blue-dark);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}
.modal {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-16);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--ms-gray-30);
}
.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}
.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--ms-gray-80);
    line-height: 1;
    padding: 0.25rem;
}
.modal-close:hover {
    color: var(--ms-gray-130);
}

/* Form */
#ideaForm {
    padding: 1.5rem;
}
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--ms-gray-100);
}
.required {
    color: var(--ms-red);
}
.optional {
    font-weight: 400;
    color: var(--ms-gray-80);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-family: var(--font-family);
    border: 1px solid var(--ms-gray-40);
    border-radius: 4px;
    color: var(--ms-gray-100);
    transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--ms-blue);
    box-shadow: 0 0 0 1px var(--ms-blue);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--ms-gray-30);
    margin-top: 0.5rem;
}
.form-actions .btn-primary {
    background: var(--ms-blue);
    color: #fff;
}
.form-actions .btn-primary:hover {
    background: var(--ms-blue-dark);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--ms-gray-130);
    color: #fff;
    border-radius: 4px;
    font-size: 0.875rem;
    box-shadow: var(--shadow-16);
    z-index: 2000;
    animation: slideIn 0.3s ease;
}
.toast.success {
    background: var(--ms-green);
}
.toast.error {
    background: var(--ms-red);
}
@keyframes slideIn {
    from { transform: translateY(1rem); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Demo Banner */
.demo-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: #fff4ce;
    color: #7a6400;
    font-size: 0.8125rem;
    font-weight: 600;
    border-bottom: 1px solid #e8d58c;
}
.demo-banner button {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: #7a6400;
    padding: 0 0.25rem;
    line-height: 1;
}
.demo-banner button:hover {
    color: #3b3a39;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    font-size: 0.75rem;
    color: var(--ms-gray-80);
    border-top: 1px solid var(--ms-gray-30);
    background: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .model-cards {
        grid-template-columns: 1fr;
    }
    .ideas-header {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-controls {
        flex-direction: column;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 1.5rem;
    }
    .idea-card {
        flex-direction: column;
    }
    .vote-section {
        flex-direction: row;
        gap: 0.5rem;
    }
    .vote-label {
        margin-top: 0;
    }
}