/* PDF to Slides Converter - Apolis Brand Styling */

/* Apolis Brand Colors */
:root {
    --color-primary: #000000;
    --color-white: #FFFFFF;
    --color-off-white: #FDFDFD;
    --color-cream: #FBF6E3;
    --color-blush: #FAF2F4;
    --color-gray-light: #F4F4F4;
    --color-gray-medium: #E6E6E6;
    --color-gold: #FFBD00;
    --color-text-muted: #6B6B6B;
    --font-heading: 'EB Garamond', Baskerville, Caslon, serif;
    --font-body: 'Mulish', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font-body);
    background: var(--color-cream);
    min-height: 100vh;
    padding: 40px;
    color: var(--color-primary);
    line-height: 1.6;
}

.container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 40px;
    text-align: center;
}

h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
    letter-spacing: 0.3px;
}

/* User Bar */
.user-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: var(--color-blush);
    border-bottom: 1px solid var(--color-gray-medium);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-picture {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
}

.user-name {
    font-weight: 600;
    color: var(--color-primary);
}

.user-email {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.logout-btn {
    padding: 8px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 0;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    font-family: var(--font-body);
}

.logout-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Sign In Prompt */
.sign-in-prompt {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    padding: 60px 40px;
}

.sign-in-content {
    text-align: center;
    max-width: 400px;
}

.sign-in-content h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.sign-in-content p {
    margin-bottom: 32px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.sign-in-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 0;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
    font-family: var(--font-body);
}

.sign-in-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.sign-in-btn svg {
    width: 20px;
    height: 20px;
}

main {
    padding: 40px;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--color-primary);
    border-radius: 0;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 30px;
    background: var(--color-blush);
}

.upload-zone:hover,
.upload-zone.dragover {
    background: var(--color-cream);
    border-color: var(--color-gold);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.upload-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.upload-subtext {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.file-name {
    margin-top: 20px;
    padding: 15px;
    background: var(--color-white);
    border-radius: 0;
    color: var(--color-primary);
    font-weight: 500;
    display: none;
    border: 1px solid var(--color-gray-medium);
}

/* Options */
.options {
    margin-bottom: 30px;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"],
select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-gray-medium);
    border-radius: 0;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color 0.2s;
    background: var(--color-white);
}

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

input[type="range"] {
    width: 100%;
    margin-top: 8px;
}

small {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 5px;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 400;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--color-primary);
    color: var(--color-white);
    border: 1px solid var(--color-primary);
    border-radius: 0;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s;
    opacity: 0.5;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:not(:disabled):hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.submit-btn:disabled {
    cursor: not-allowed;
}

/* Progress */
.progress {
    text-align: center;
    padding: 40px;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--color-gray-medium);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

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

#progressText {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-primary);
    font-weight: 400;
}

.progress-bar-container {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: var(--color-gray-medium);
    margin: 16px auto 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--color-primary);
    width: 0%;
    transition: width 0.3s ease;
}

/* Result */
.result-success {
    text-align: center;
    padding: 40px;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.result h2 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: 400;
    font-size: 2rem;
}

#resultMessage {
    font-size: 1rem;
    margin-bottom: 30px;
    color: var(--color-text-muted);
}

.result-link {
    display: inline-block;
    padding: 16px 32px;
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 0;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: all 0.2s;
    margin-bottom: 20px;
    border: 1px solid var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.result-link:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.convert-another,
.try-again {
    display: block;
    margin: 20px auto 0;
    padding: 12px 24px;
    background: var(--color-white);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 0;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.convert-another:hover,
.try-again:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Error */
.error {
    text-align: center;
    padding: 40px;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.error h2 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: 400;
    font-size: 2rem;
}

#errorMessage {
    font-size: 1rem;
    margin-bottom: 30px;
    color: var(--color-text-muted);
}

/* Footer */
footer {
    background: var(--color-blush);
    padding: 20px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2rem;
    }

    .upload-zone {
        padding: 40px 20px;
    }
}