/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #f0f0f0;
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 20px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
    background: linear-gradient(90deg, #00dbde, #fc00ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

header .subtitle {
    font-size: 0.9rem;
    color: #aaa;
    max-width: 600px;
    margin: 0 auto;
}

/* Main layout */
main {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 992px) {
    main {
        grid-template-columns: 1fr;
    }
}

/* Tablet breakpoint */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 10px;
    }
    
    header {
        padding: 15px;
        margin-bottom: 25px;
    }
    
    header h1 {
        font-size: 1.8rem;
        gap: 10px;
    }
    
    header .subtitle {
        font-size: 0.95rem;
    }
    
    .settings-card, .generator-card {
        padding: 20px;
    }
    
    .settings-card h2, .generator-card h2 {
        font-size: 1.4rem;
        margin-bottom: 20px;
    }
    
    .prompt-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .prompt-header h3 {
        font-size: 1.2rem;
    }
    
    .prompt-header .btn-secondary {
        width: 100%;
    }
    
    .prompt-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .input-with-button {
        flex-direction: column;
    }
    
    .input-with-button input,
    .input-with-button button {
        width: 100%;
    }
    
    .option-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .option-row select {
        width: 100%;
    }
    
    #generate-btn {
        width: 100%;
        min-width: unset;
        padding: 16px 20px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .notification {
        left: 15px;
        right: 15px;
        bottom: 15px;
        max-width: none;
    }
}

/* Mobile breakpoint */
@media (max-width: 480px) {
    header h1 {
        font-size: 1.4rem;
        flex-direction: column;
        gap: 8px;
    }
    
    header .subtitle {
        font-size: 0.85rem;
    }
    
    .settings-card, .generator-card {
        padding: 15px;
        border-radius: 15px;
    }
    
    .settings-card h2, .generator-card h2 {
        font-size: 1.2rem;
    }
    
    .api-key-section label,
    .selection-group label {
        font-size: 1rem;
    }
    
    .input-with-button input {
        padding: 12px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 16px;
        font-size: 0.95rem;
    }
    
    .selection-group select {
        padding: 12px;
    }
    
    .advanced-options {
        padding: 15px;
    }
    
    .advanced-options h3 {
        font-size: 1.1rem;
    }
    
    .prompt-display {
        padding: 15px;
        font-size: 0.95rem;
        min-height: 120px;
    }
    
    .history-section h3 {
        font-size: 1.1rem;
    }
    
    .history-item {
        padding: 12px;
    }
    
    .history-item .prompt-text {
        font-size: 0.85rem;
    }
    
    .history-item .prompt-meta {
        flex-direction: column;
        gap: 5px;
    }
    
    footer {
        padding: 15px;
        font-size: 0.85rem;
    }
}

/* Cards */
.settings-card, .generator-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.settings-card h2, .generator-card h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* API Key Section */
.api-key-section {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.api-key-section label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-with-button {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
}

.input-with-button input {
    flex: 1;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-size: 0.9rem;
    font-family: 'Roboto Mono', monospace;
    transition: all 0.3s;
}

.input-with-button input:focus {
    outline: none;
    border-color: #00dbde;
    box-shadow: 0 0 0 3px rgba(0, 219, 222, 0.2);
}

.help-text {
    font-size: 0.9rem;
    color: #aaa;
    margin-top: 8px;
}

.help-text a {
    color: #00dbde;
    text-decoration: none;
}

.help-text a:hover {
    text-decoration: underline;
}

/* Selection Grid */
.selection-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .selection-grid {
        grid-template-columns: 1fr;
    }
}

.selection-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.selection-group select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: all 0.3s;
}

.selection-group select:focus {
    outline: none;
    border-color: #00dbde;
    box-shadow: 0 0 0 3px rgba(0, 219, 222, 0.2);
}

.selection-group select option {
    background: #1a1a2e;
    color: #fff;
}

/* Advanced Options */
.advanced-options {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 12px 15px;
    margin-top: 15px;
}

.advanced-options h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.option-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.option-row:last-child {
    margin-bottom: 0;
}

.option-row label {
    font-weight: 500;
    font-size: 0.9rem;
}

.option-row select {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-size: 0.85rem;
    width: 140px;
    cursor: pointer;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 10px 18px;
    border-radius: 10px;
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Poppins', sans-serif;
}

.btn-primary {
    background: linear-gradient(90deg, #00dbde, #fc00ff);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Generate Section */
.generate-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 15px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
}

#generate-btn {
    padding: 12px 30px;
    font-size: 1rem;
    min-width: 200px;
}

.loading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    color: #00dbde;
    font-weight: 500;
    font-size: 0.9rem;
}

.loading.hidden {
    display: none;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid #00dbde;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Prompt Display */
.prompt-display-section {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.prompt-header h3 {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.prompt-display {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    padding: 15px;
    min-height: 80px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #fff;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-y: auto;
    max-height: 200px;
}

.prompt-display .placeholder {
    color: #888;
    font-style: italic;
    text-align: center;
    margin-top: 20px;
}

.prompt-info {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #aaa;
}

.info-item strong {
    color: #fff;
}

/* History Section */
.history-section h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.history-list {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 12px;
    min-height: 60px;
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.empty-history {
    color: #888;
    font-style: italic;
    text-align: center;
    margin-top: 15px;
    font-size: 0.85rem;
}

.history-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 8px;
    border-left: 3px solid #00dbde;
    transition: all 0.3s;
    cursor: pointer;
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.history-item:last-child {
    margin-bottom: 0;
}

.history-item .prompt-text {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.8rem;
    color: #fff;
    margin-bottom: 5px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-item .prompt-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #aaa;
}

/* Footer */
footer {
    text-align: center;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.8rem;
}

footer p:first-child {
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #00dbde;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: #fc00ff;
    text-decoration: underline;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(90deg, #00dbde, #fc00ff);
    color: white;
    padding: 15px 25px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.5s;
    z-index: 1000;
    font-weight: 500;
    max-width: 350px;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #00dbde, #fc00ff);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #00c4c7, #e600e6);
}