/* Mobile-first base styles */
main {
    margin-left: 0; /* No sidebar on mobile */
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pins-section {
    flex: 1;
    margin: 0;
}

.documents-section {
    flex: 1;
    background: #fff;
    padding: 0.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.pins-container {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
}

.pin-card {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 0.5rem;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.pin-card img {
    max-width: 100%;
    height: auto;
    border-radius: 0.25rem;
}

.pagination {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 0.25rem;
}

.pagination a, .pagination span {
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    text-decoration: none;
    font-size: 0.875rem;
}

.pagination a {
    background: #3b82f6;
    color: #fff;
}

.pagination a:hover {
    background: #2563eb;
}

.pagination span {
    background: #d1d5db;
    color: #6b7280;
}

.pagination span.current {
    background: #1d4ed8;
    color: #fff;
}

button, a.bg-blue-500, a.bg-green-500 {
    display: block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    text-decoration: none;
    color: #fff;
    text-align: center;
    font-size: 0.875rem;
}

button, a.bg-green-500 {
    background: #10b981;
}

button:hover, a.bg-green-500:hover {
    background: #059669;
}

a.bg-blue-500 {
    background: #3b82f6;
}

a.bg-blue-500:hover {
    background: #2563eb;
}

.pin {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    width: 100%;
    padding: 0.5rem;
    text-align: center;
    transition: transform 0.2s;
}

.pin:hover {
    transform: scale(1.02);
}

.pin img {
    max-width: 100%;
    height: auto;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

.pin p {
    font-size: 0.875rem;
    color: #333;
    margin: 0.5rem 0;
}

.pin small {
    font-size: 0.75rem;
    color: #666;
}

aside {
    background: #fff;
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.1);
    width: 100%;
    padding: 0.5rem;
}

.document-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

form p {
    margin-bottom: 0.25rem;
}

form input[type="file"], form input[type="text"], form textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    color: #374151;
}

form input:focus, form textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.2);
}

button[type="submit"] {
    font-weight: 500;
    transition: background-color 0.2s ease;
}

button[type="submit"]:hover {
    background: #059669;
}

ul.list-disc li {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    line-height: 1.25;
}

.container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    background: var(--telegram-light);
    padding: 0.5rem;
}

.signup-box {
    background: #fff;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 360px;
    text-align: center;
}

.welcome-message {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--telegram-dark-blue);
    margin-bottom: 0.5rem;
}

.signup-box h2 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--telegram-dark-blue);
    margin-bottom: 1rem;
}

.messages {
    margin-bottom: 1rem;
}

.message {
    padding: 0.5rem;
    margin: 0.25rem 0;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

.message.error {
    background: #fee2e2;
    color: #b91c1c;
}

.error-messages {
    margin-bottom: 1rem;
}

.error {
    color: #b91c1c;
    font-size: 0.75rem;
    margin: 0.25rem 0;
}

.form-field {
    margin-bottom: 1rem;
    text-align: left;
}

.form-field label {
    display: block;
    font-size: 0.875rem;
    color: var(--telegram-dark-blue);
    margin-bottom: 0.25rem;
}

.form-field input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--telegram-border);
    border-radius: 0.25rem;
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-field input:focus {
    border-color: var(--telegram-blue);
}

.signup-button {
    background: var(--telegram-blue);
    color: #fff;
    padding: 0.5rem;
    border: none;
    border-radius: 0.25rem;
    width: 100%;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.signup-button:hover {
    background: var(--telegram-dark-blue);
}

.login-link {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--telegram-dark-blue);
}

.login-link a {
    color: var(--telegram-blue);
    text-decoration: none;
    font-weight: 500;
}

.login-link a:hover {
    text-decoration: underline;
}

.welcome-message.finished::after {
    display: none;
}

/* Desktop styles */
@media (min-width: 768px) {
    main {
        margin-left: 16rem;
        padding: 1rem;
        flex-direction: row;
        gap: 0.5rem;
    }
    .pins-section {
        width: 65%;
    }
    .documents-section {
        width: 30%;
        padding: 1rem;
    }
    .pins-container {
        max-width: 40rem;
        padding: 1rem;
    }
    .pin-card {
        padding: 1rem;
    }
    .pin {
        width: 300px;
        padding: 1rem;
    }
    aside {
        border-left: 1px solid #e5e7eb;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
        width: 256px;
        padding: 1rem;
    }
}

.avatar-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}