/* Import Montserrat font */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap');

/* Variables for consistent colors */
:root {
    /* Light Mode Colors */
    --primary-color: #2c3e50;
    --secondary-color: #fca12e;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --background-color: #ecf0f1;
    --container-bg: #ffffff;
    --text-color: #2c3e50;
    --border-color: #bdc3c7;
    --hover-color: #e39429;
    --subtitle-bg: #f9f9f9;
    --download-bg: #2c3e50;
    --download-hover: #fca12e;
    
    /* Font weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
}

body {
    font-family: 'Montserrat', sans-serif;
    font-weight: var(--font-regular);
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark Mode Styles */
.dark-mode {
    --primary-color: #fca12e;
    --secondary-color: #fca12e;
    --accent-color: #f28b82;
    --success-color: #81c995;
    --background-color: #202124;
    --container-bg: #2a2a2a;
    --text-color: #e8eaed;
    --border-color: #5f6368;
    --hover-color: #e39429;
    --subtitle-bg: #333333;
    --download-bg: #fca12e;
    --download-hover: #e39429;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--container-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 2.2em;
    font-weight: var(--font-bold);
    letter-spacing: -0.5px;
}

h2 {
    color: var(--primary-color);
    font-size: 1.5em;
    margin-bottom: 20px;
    font-weight: var(--font-semibold);
    letter-spacing: -0.3px;
}

.form-group {
    margin-bottom: 25px;
}

.subtitle-styling .form-group {
    margin-bottom: 4px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: var(--font-medium);
    color: var(--primary-color);
    letter-spacing: 0.2px;
}

input[type="file"],
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
    font-weight: var(--font-regular);
    transition: border-color 0.3s ease;
}

input[type="file"]:focus,
select:focus {
    border-color: var(--secondary-color);
    outline: none;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

button {
    background-color: var(--secondary-color);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: var(--font-semibold);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.3px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background-color: var(--hover-color);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

.progress-bar {
    height: 8px;
    background-color: var(--background-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background-color: var(--success-color);
    width: 0%;
    animation: progress 2s infinite linear;
    border-radius: 4px;
}

@keyframes progress {
    0% { width: 0%; }
    100% { width: 100%; }
}

#status {
    text-align: center;
    color: var(--primary-color);
    font-weight: var(--font-medium);
    margin-top: 10px;
    letter-spacing: 0.2px;
}

.download-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 25px;
}

.download-button {
    display: block;
    background-color: var(--download-bg);
    color: white;
    text-decoration: none;
    padding: 14px 24px;
    border-radius: 6px;
    text-align: center;
    font-weight: var(--font-semibold);
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    margin: 20px
}

.download-button:hover {
    background-color: var(--download-hover);
    transform: translateY(-1px);
}

/* Tabs styling */
.tabs {
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    gap: 5px;
}

.tab-button {
    padding: 12px 24px;
    margin-bottom: -2px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: var(--font-medium);
    color: var(--text-color);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.2px;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    width: auto;
}

.tab-button:hover {
    color: var(--secondary-color);
    background-color: transparent;
    transform: none;
}

.tab-button.active {
    border-bottom: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    font-weight: var(--font-semibold);
}

.tab-content {
    padding: 25px 0;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    h1 {
        font-size: 1.8em;
    }

    .tab-button {
        padding: 10px 15px;
        font-size: 14px;
    }
}


/* Custom file input styling */

/* Hide the default file input */
input[type="file"] {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

/* Custom file input label */
input[type="file"] + label {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--secondary-color);
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-weight: var(--font-semibold);
    font-size: 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

input[type="file"] + label:hover {
    background-color: var(--hover-color);
    transform: translateY(-1px);
}

input[type="file"] + label:active {
    transform: translateY(0);
}

/* File name display */
.file-info {
    margin-top: 8px;
    font-size: 14px;
    color: var(--primary-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: var(--font-regular);
}

/* Subtitle styling options */
.subtitle-styling {
    border: 1px solid var(--border-color);
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 8px;
    background-color: var(--subtitle-bg);
}

.subtitle-styling h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 1em;
    font-weight: var(--font-medium);
    letter-spacing: -0.2px;
}

.form-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
}

.form-group.half {
    width: calc(50% - 8px);
}

/* Make inputs more consistent */
.subtitle-styling input[type="number"],
.subtitle-styling select {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    font-family: 'Montserrat', sans-serif;
    font-weight: var(--font-regular);
    transition: border-color 0.3s ease;
    box-sizing: border-box;
    height: 32px;
}

.subtitle-styling input[type="number"]:focus,
.subtitle-styling select:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.subtitle-styling label {
    font-size: 13px;
    margin-bottom: 4px;
}

/* Authentication styles */
.auth-container {
    z-index: 1000;
    background-color: var(--container-bg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* Sign-in state: centered and prominent */
.auth-container.sign-in-state {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 40px 60px;
    text-align: center;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.auth-container.sign-in-state .auth-button {
    background-color: var(--secondary-color);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    font-weight: var(--font-semibold);
    font-family: 'Montserrat', sans-serif;
    transition: background-color 0.3s ease, transform 0.2s ease;
    min-width: 140px;
}

.auth-container.sign-in-state .auth-button:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
}

/* Sign-out state: upper left and compact */
.auth-container.sign-out-state {
    position: fixed;
    top: 20px;
    left: 20px;
    padding: 10px 15px;
    font-size: 14px;
}

.auth-section {
    margin: 5px 0;
}

/* Default auth button styles (for sign-out state) */
.auth-container.sign-out-state .auth-button {
    background-color: var(--secondary-color);
    color: white;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: var(--font-medium);
    font-family: 'Montserrat', sans-serif;
    transition: background-color 0.3s ease;
    min-width: 80px;
}

.auth-container.sign-out-state .auth-button:hover {
    background-color: var(--hover-color);
}

.auth-container.sign-out-state .auth-button.secondary {
    background-color: var(--accent-color);
    margin-left: 10px;
}

.auth-container.sign-out-state .auth-button.secondary:hover {
    background-color: #c0392b;
}

.user-info {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px;
}

#welcomeMessage {
    font-size: 12px;
    font-weight: var(--font-medium);
    color: var(--text-color);
}

.user-info span {
    color: var(--primary-color);
    font-weight: var(--font-medium);
    font-size: 16px;
}

/* Dark mode toggle button */
.dark-mode-toggle {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 1000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    color: white;
    transition: background-color 0.3s ease;
    padding: 0;
    overflow: hidden;
}

.dark-mode-toggle:hover {
    background-color: var(--hover-color);
}

/* Responsive adjustments for styling options */
@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-group.half {
        width: 100%;
    }
    
    .subtitle-styling {
        padding: 10px;
    }
    
    .subtitle-styling input[type="number"],
    .subtitle-styling select {
        padding: 6px;
    }
    
    .dark-mode-toggle {
        top: 60px;
        right: 10px;
        width: 36px;
        height: 36px;
    }
    
    /* Sign-in state mobile adjustments */
    .auth-container.sign-in-state {
        padding: 30px 40px;
        width: 90%;
        max-width: 320px;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .auth-container.sign-in-state .auth-button {
        padding: 12px 24px;
        font-size: 16px;
        min-width: 120px;
    }
    
    /* Sign-out state mobile adjustments */
    .auth-container.sign-out-state {
        top: 10px;
        left: 10px;
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .user-info {
        flex-direction: column;
        gap: 8px;
    }
    
    .auth-container.sign-out-state .auth-button.secondary {
        margin-left: 0;
        margin-top: 8px;
    }
}