:root {
    --bg-primary: #f8f9fa;
    --text-primary: #202124;
    --text-secondary: #666;
    --input-bg: #fff;
    --input-border: #dfe1e5;
    --btn-primary: #4285f4;
    --btn-primary-text: #fff;
    --btn-secondary: #f8f9fa;
    --btn-secondary-text: #3c4043;
}

body.dark-mode {
    --bg-primary: #202124;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --input-bg: #303134;
    --input-border: #5f6368;
    --btn-primary: #8ab4f8;
    --btn-primary-text: #202124;
    --btn-secondary: #303134;
    --btn-secondary-text: #e8eaed;
}

/* Global Styles */
body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.header-logo {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

.nav-logo {
    width: 100px;
    height: auto;
    transition: transform 0.2s ease;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo {
    width: 350px; height: auto; margin-bottom: 10px;
}

/* Home Page */
.search-container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 100vh !important;
    padding: 120px 20px 20px !important;
    box-sizing: border-box !important;
    position: relative !important;
}

.main-title {
    font-size: 64px;
    color: var(--text-primary);
    margin: 0;
}

.tagline {
    color: var(--text-secondary);
    margin: 20px 0;
}

/* Search Bar Styles */
.search-form {
    width: 100%;
    max-width: 584px;
    margin: 0 auto 20px;
}

.search-input {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    background-color: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--input-border);
    border-radius: 24px;
    margin-bottom: 20px;
    outline: none;
}

.search-input:hover, .search-input:focus {
    box-shadow: 0 1px 6px rgba(32,33,36,.28);
    border-color: rgba(223,225,229,0);
}

.search-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.search-btn {
    background-color: var(--btn-secondary);
    color: var(--btn-secondary-text);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 14px;
    padding: 0 16px;
    height: 36px;
    cursor: pointer;
}

.search-btn:hover {
    border: 1px solid #dadce0;
    box-shadow: 0 1px 1px rgba(0,0,0,.1);
}

.search-btn.lucky {
    border: 1px solid #dadce0;
}

.search-btn.primary {
    background-color: var(--btn-primary);
    color: var(--btn-primary-text);
    border: 1px solid var(--btn-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    margin: 0 10px;
    transition: background-color 0.3s;
    font-size: 16px;
}

.primary {
    background-color: var(--btn-primary);
    color: var(--btn-primary-text);
}

.secondary {
    background-color: var(--btn-secondary);
    color: var(--btn-secondary-text);
}

/* Ideas Page */
.ideas-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.ideas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    width: 100%;
    max-width: 800px;
    padding: 10px 20px;
}

.ideas-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 500;
}

.search-wrapper {
    flex: 1;
    max-width: 300px;
    margin-left: 20px;
}

.idea-search {
    width: 100%;
    padding: 8px 12px;
    border-radius: 20px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.idea-search:focus {
    border-color: var(--btn-primary);
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.1);
}

.ideas-list {
    width: 100%;
    max-width: 800px;
    margin: 0;
    padding: 20px;
}

.idea-item {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 24px;
    padding: 20px;
    margin-bottom: 20px;
    transition: box-shadow 0.2s;
}

.idea-item:hover {
    box-shadow: 0 1px 6px rgba(32,33,36,.28);
    border-color: rgba(223,225,229,0);
}

.idea-main h2 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 1.2rem;
}

.idea-preview {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.2;
    white-space: normal;
}

.remaining-text {
    display: inline;
}

.remaining-text.hidden {
    display: none;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--btn-primary);
    cursor: pointer;
    padding: 0;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.idea-full-description {
    color: var(--text-secondary);
    margin: 12px 0;
    line-height: 1.6;
    transition: all 0.3s ease;
    white-space: pre-line;
}

.idea-full-description p {
    margin: 12px 0;
}

.hidden {
    display: none;
}

.idea-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 12px 0;
}

.vote-form {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.no-ideas {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 40px;
}

.ideas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.idea-card {
    background: var(--input-bg);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--input-border);
}

.idea-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.idea-card h2 {
    margin: 0 0 16px 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.idea-description {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.idea-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 16px 0;
}

.idea-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--btn-primary);
    color: var(--btn-primary-text);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.2s;
}

.idea-btn:hover {
    transform: scale(1.05);
}

.idea-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.vote-form {
    display: flex;
    gap: 12px;
}

.vote-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--input-border);
    border-radius: 12px;
    background: var(--input-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.vote-btn:hover {
    background: var(--btn-primary);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary);
}

.vote-btn.down:hover {
    background: #f44336;
    border-color: #f44336;
}

.vote-count {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 4px;
}

.vote-text {
    font-size: 0.9rem;
}

.no-ideas {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-icon {
    width: 48px;
    height: 48px;
    fill: var(--text-secondary);
    margin-bottom: 16px;
}

/* Form Styles */
.idea-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

textarea {
    height: 120px;
}

.voting {
    margin-top: 15px;
    display: flex;
    justify-content: flex-start;
    gap: 10px;
}

.vote-form {
    display: flex;
    gap: 10px;
}

.vote-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    font-size: 15px;
}

.vote-btn.down {
    background-color: #f44336;
}

.approach {
    margin: 10px 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Dark Mode Styles */
body.dark-mode {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.dark-mode .search-input {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--input-border);
}

.dark-mode .search-btn {
    background-color: var(--btn-secondary);
    border-color: var(--input-border);
    color: var(--btn-secondary-text);
}

.dark-mode .main-title {
    color: var(--text-primary);
}

.dark-mode .tagline {
    color: var(--text-secondary);
}

/* Navigation Styles */
.nav-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: transparent;
    padding: 8px;
    z-index: 1000;
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    background: none;
    border: none;
    padding: 0;
}

.nav-icon:hover {
    color: var(--btn-primary);
}

.nav-icon svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Theme Toggle Specific Styles */
.sun-icon {
    display: block;
}

.moon-icon {
    display: none;
}

.dark-mode .sun-icon {
    display: none;
}

.dark-mode .moon-icon {
    display: block;
}

.idea-content {
    padding: 10px 0;
}

.label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .search-container {
        padding: 120px 1rem 1rem !important;
        min-height: auto !important;
        margin-top: 0 !important;
    }

    .logo {
        width: 200px;
        height: auto;
        margin-bottom: 40px;
    }

    .search-buttons {
        flex-direction: column;
        width: 100%;
    }

    .search-btn {
        width: 100%;
        height: 44px;
    }

    .search-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 12px;
    }

    /* Ideas page responsive styles */
    .ideas-container {
        padding: 0 1rem;
        margin: 20px auto;
    }

    .ideas-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .idea-card {
        padding: 16px;
    }

    .nav-container {
        top: 10px;
        right: 10px;
        padding: 6px;
        gap: 12px;
    }

    .nav-icon {
        width: 20px;
        height: 20px;
    }

    .nav-icon svg {
        width: 20px;
        height: 20px;
    }

    .ideas-header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 10px;
    }

    .search-wrapper {
        max-width: 100%;
        margin-left: 0;
    }

    .ideas-title {
        font-size: 1.3rem;
    }

    .vote-form {
        flex-direction: row;
        gap: 8px;
    }

    .vote-btn {
        padding: 8px;
    }

    .header-logo {
        top: 10px;
        left: 10px;
    }

    .nav-logo {
        width: 60px;
    }

    .ideas-list {
        padding: 10px;
    }

    .bottom-actions {
        padding: 10px;
    }

    .footer {
        padding: 10px;
        margin-top: 20px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .main-title {
        font-size: 32px;
    }

    .tagline {
        font-size: 14px;
    }

    .search-container {
        padding: 120px 0.5rem 0.5rem !important;
    }

    .idea-card h2 {
        font-size: 1.2rem;
    }

    .nav-container {
        top: 8px;
        right: 8px;
        padding: 4px;
        gap: 6px;
    }

    .nav-icon {
        width: 28px;
        height: 28px;
        padding: 4px;
    }

    .nav-icon svg {
        width: 16px;
        height: 16px;
    }

    .bottom-actions {
        padding: 10px;
    }

    .footer {
        padding: 10px;
        margin-top: 20px;
    }

    .logo {
        width: 200px;
        height: auto;
        margin-bottom: 40px;
    }
}

/* Bottom Actions */
.bottom-actions {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    margin-top: 20px;
    text-align: center;
}

.new-idea-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1em;
    transition: all 0.2s;
    border-radius: 8px;
}

.new-idea-btn:hover {
    color: var(--btn-primary);
    background: var(--input-bg);
}

/* Footer */
footer {
    width: 100%;
    text-align: center;
    padding: 20px;
    position: fixed;
    bottom: 0;
    left: 0;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
    opacity: 0.8;
}

@media (max-width: 768px) {
    footer {
        padding: 10px;
    }
    
    footer p {
        font-size: 0.7rem;
    }
}