/* Green & Cream DA CSS Variables */
:root {
    --da-primary: #4B5745;
    --da-accent-soft: #A3B18A;
    --da-bg-cream: #F5F5F0;
    --da-text: #2E2E2E;
    --da-metallic: #757575;
    --surface: #FFFFFF;

    --border-radius: 12px;
    --section-radius: 8px;
    --button-radius: 6px;
    --transition: all 0.25s ease;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.05);

    --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body.dark-theme {
    --da-bg-cream: #2E2E2E;
    --da-text: #F5F5F0;
    --da-accent-soft: #4B5745;
    --da-primary: #A3B18A;
    --surface: #242424;
    --da-metallic: #888888;
}

body {
    font-family: var(--font-main);
    background-color: var(--da-bg-cream);
    color: var(--da-text);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 60px;
    transition: var(--transition);
}

/* Theme Switcher */
.theme-switch-wrapper {
    position: fixed;
    top: 25px;
    right: 25px;
    z-index: 100;
}

.switch {
    --switch_width: 2.8em;
    --switch_height: 1.4em;
    --thumb_color: var(--da-text);
    --track_color: var(--da-metallic);
    --track_active_color: var(--da-primary);
    --outline_color: var(--da-metallic);
    font-size: 11px;
    position: relative;
    display: inline-block;
    width: var(--switch_width);
    height: var(--switch_height);
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    box-sizing: border-box;
    border: 1.5px solid var(--outline_color);
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--track_color);
    transition: var(--transition);
    border-radius: var(--switch_height);
}

.slider:before {
    box-sizing: border-box;
    position: absolute;
    content: "";
    height: 1.2em;
    width: 1.2em;
    border: 1.5px solid var(--outline_color);
    border-radius: 100%;
    left: 1px;
    bottom: -1px;
    background-color: var(--thumb_color);
    transform: translateY(-0.25em);
    box-shadow: 0 0.25em 0 var(--outline_color);
    transition: var(--transition);
}

input:checked+.slider {
    background-color: var(--track_active_color);
    border-color: var(--track_active_color);
}

input:checked+.slider:before {
    transform: translateX(calc(var(--switch_width) - var(--switch_height) - 4px)) translateY(-0.25em);
}

/* Business Card Container */
.business-card {
    width: 320px;
    background-color: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 25px;
    margin: 20px auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: var(--transition);
}

.card-header {
    border-bottom: 1px solid var(--da-metallic);
    padding-bottom: 15px;
}

.card-name {
    font-size: 1.5rem;
    color: var(--da-text);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
}

.card-title {
    font-size: 0.9rem;
    color: var(--da-primary);
    margin-top: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-contact {
    font-size: 0.9rem;
    line-height: 1.6;
}

.card-contact p {
    margin: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-contact a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.card-contact a:hover {
    color: var(--da-primary);
}

.card-contact i {
    color: var(--da-primary);
    width: 16px;
    text-align: center;
}

.card-footer {
    margin-top: 5px;
    font-size: 0.75rem;
    color: var(--da-metallic);
    text-align: right;
    border-top: 1px solid var(--da-metallic);
    padding-top: 12px;
    font-weight: 500;
}

/* Profile Image */
.profile-container {
    margin-bottom: 1rem;
}

.profile-photo {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--da-primary);
    box-shadow: var(--shadow);
}

/* QR Section */
.qr-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1.5rem 0;
    width: 320px;
}

#qrcode {
    padding: 1rem;
    background: white;
    border: 1px solid var(--da-metallic);
    border-radius: var(--section-radius);
    box-shadow: var(--shadow);
}

.qr-text {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--da-text);
    font-weight: 500;
}

/* Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    width: 100%;
    margin-top: 1rem;
}

.btn {
    width: 280px;
    height: 52px;
    font-size: 0.9rem;
    background: var(--da-primary);
    border: none;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: bold;
    border-radius: var(--button-radius);
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background: var(--da-accent-soft);
    color: var(--da-primary);
    border: 1px solid var(--da-primary);
}

.separator {
    margin: 1rem 0;
    font-size: 0.8rem;
    color: var(--da-metallic);
    display: flex;
    align-items: center;
    width: 200px;
}

.separator::before,
.separator::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--da-metallic);
    margin: 0 10px;
}

@media (max-width: 480px) {
    body {
        padding-top: 80px;
    }

    .business-card,
    .qr-section {
        width: 90%;
        max-width: 320px;
    }
}