/**
 * RevenueOS AI Tools - Frontend Styles
 * Premium dark theme matching the ecosystem
 */

/* Brand Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@600;700;800;900&family=Inter:wght@400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
    --revenueos-bg: #0a0a0a;
    --revenueos-bg-light: #0f0f0f;
    --revenueos-bg-card: #1a1a1a;
    --revenueos-green: #00ff88;
    --revenueos-cyan: #00ccff;
    --revenueos-orange: #ff6b35;
    --revenueos-text: #ffffff;
    --revenueos-text-secondary: #cbd5e1;
    --revenueos-border: #2a2a2a;
}

/* Reset for container */
.revenueos-tools-container {
    margin: 0 auto;
    padding: 0;
    background: var(--revenueos-bg);
    color: var(--revenueos-text-secondary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.revenueos-tools-container * {
    box-sizing: border-box;
}

.revenueos-tools-container h1,
.revenueos-tools-container h2,
.revenueos-tools-container h3,
.revenueos-tools-container h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--revenueos-text);
    margin: 0;
}

/* Hero Section */
.revenueos-hero {
    text-align: center;
    padding: 6rem 2rem 4rem;
    background: var(--revenueos-bg);
    position: relative;
}

.revenueos-hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 120%;
    background: radial-gradient(ellipse at center,
            rgba(0, 255, 136, 0.08) 0%,
            transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.revenueos-hero>* {
    position: relative;
    z-index: 1;
}

.revenueos-trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: 1.5px solid rgba(0, 255, 136, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--revenueos-green);
    margin-bottom: 2.5rem;
    background: rgba(0, 255, 136, 0.05);
}

.revenueos-hero h1 {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.revenueos-hero .headline-main {
    display: block;
    color: var(--revenueos-text);
}

.revenueos-hero .headline-accent {
    display: block;
    background: linear-gradient(135deg, var(--revenueos-green) 0%, var(--revenueos-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--revenueos-text-secondary);
    max-width: 750px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.revenueos-tools-container .btn {
    padding: 0.95rem 2.25rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--revenueos-green) 0%, #00cc6f 100%);
    color: #000000;
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.4);
    color: #000000;
}

.btn-secondary {
    background: transparent;
    color: var(--revenueos-green);
    border: 2px solid var(--revenueos-green);
}

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.1);
    transform: translateY(-2px);
}

/* Tools Section */
.revenueos-tools-section {
    padding: 5rem 2rem;
    background: var(--revenueos-bg-light);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3.5rem;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.text-accent {
    background: linear-gradient(135deg, var(--revenueos-green) 0%, var(--revenueos-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--revenueos-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Filters */
.revenueos-filters {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .revenueos-filters {
        grid-template-columns: 2fr 1fr 1fr auto;
    }
}

.search-wrapper {
    position: relative;
}

#revenueos-search {
    width: 100%;
    padding: 0.95rem 1.15rem 0.95rem 2.75rem;
    border-radius: 10px;
    border: 2px solid var(--revenueos-border);
    background: var(--revenueos-bg-card);
    color: var(--revenueos-text);
    font-size: 0.95rem;
    transition: all 0.3s;
}

#revenueos-search:focus {
    outline: none;
    border-color: var(--revenueos-green);
    background: var(--revenueos-bg);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

#revenueos-search::placeholder {
    color: #94a3b8;
}

.search-wrapper::before {
    content: '🔍';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    opacity: 0.6;
}

.select-wrapper {
    position: relative;
}

.select-wrapper select {
    width: 100%;
    padding: 0.95rem 2.5rem 0.95rem 1.15rem;
    border-radius: 10px;
    border: 2px solid var(--revenueos-border);
    background: var(--revenueos-bg-card);
    color: var(--revenueos-text);
    font-size: 0.95rem;
    font-weight: 500;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: all 0.3s;
}

.select-wrapper select:focus {
    outline: none;
    border-color: var(--revenueos-green);
    background: var(--revenueos-bg);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.select-wrapper select option {
    background: var(--revenueos-bg-card);
    color: var(--revenueos-text);
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 1.15rem;
    top: 50%;
    transform: translateY(-50%) scale(0.8);
    color: var(--revenueos-green);
    pointer-events: none;
    font-weight: 700;
}

.btn-clear {
    padding: 0.95rem 1.5rem;
    border-radius: 10px;
    border: 2px solid var(--revenueos-border);
    background: transparent;
    color: var(--revenueos-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-clear:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* Tools Grid */
.revenueos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .revenueos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .revenueos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tool Card */
.tool-card {
    display: flex;
    flex-direction: column;
    background: var(--revenueos-bg-card);
    border: 1px solid var(--revenueos-border);
    border-radius: 14px;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    position: relative;
}

.tool-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--revenueos-green);
}

.tool-category {
    position: absolute;
    top: 1.25rem;
    left: 1.75rem;
    padding: 0.35rem 0.75rem;
    border-radius: 5px;
    font-size: 0.65rem;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tool-icon {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
    transition: transform 0.3s;
}

.tool-card:hover .tool-icon {
    transform: scale(1.1);
}

.tool-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--revenueos-text);
}

.tool-description {
    font-size: 0.9rem;
    color: var(--revenueos-text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.tool-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--revenueos-border);
}

.tool-cost {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--revenueos-green);
}

.tool-action {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--revenueos-text-secondary);
    transition: color 0.3s;
}

.tool-card:hover .tool-action {
    color: var(--revenueos-green);
}

/* No Tools Found */
.no-tools-found {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--revenueos-text-secondary);
}

.no-tools-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.no-tools-found h3 {
    color: var(--revenueos-text);
    margin-bottom: 0.5rem;
}

/* Pagination */
.revenueos-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.revenueos-pagination a,
.revenueos-pagination span {
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    background: var(--revenueos-bg-card);
    border: 1px solid var(--revenueos-border);
    color: var(--revenueos-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.revenueos-pagination a:hover {
    border-color: var(--revenueos-green);
    color: var(--revenueos-green);
}

.revenueos-pagination .current {
    background: var(--revenueos-green);
    color: #000;
    border-color: var(--revenueos-green);
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.loading-overlay .spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--revenueos-border);
    border-top-color: var(--revenueos-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 640px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 350px;
        justify-content: center;
    }

    .revenueos-hero {
        padding: 4rem 1.5rem 3rem;
    }

    .revenueos-tools-section {
        padding: 3rem 1.5rem;
    }
}