@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Share+Tech+Mono&display=swap');

:root {
    --passport-blue: #1C3F6E;
    --document-cream: #FFF8E7;
    --official-black: #000000;
    --stamp-entry-red: #D13438;
    --stamp-exit-blue: #0078D4;
    --embossed-gold: #D4AF37;
    --watermark-opacity: 0.03;
}

body.dark-mode {
    --passport-blue: #0A192F;
    --document-cream: #1E1E1E;
    --official-black: #E0E0E0;
    --stamp-entry-red: #FF4D4D;
    --stamp-exit-blue: #4D96FF;
    --embossed-gold: #FFD700;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--passport-blue);
    background-image: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    color: var(--official-black);
    font-family: 'Libre Baskerville', serif;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Passport Container */
.passport-container {
    max-width: 900px;
    width: 100%;
    background-color: var(--document-cream);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 0 100px rgba(0, 0, 0, 0.05);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    padding: 60px;
    border: 3px solid var(--official-black);
}

/* Watermark Security Pattern */
.passport-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://www.transparenttextures.com/patterns/grid-me.png');
    opacity: var(--watermark-opacity);
    pointer-events: none;
    z-index: 1;
}

/* Header Section (Biographical Data Page) */
.passport-header {
    border-bottom: 2px solid var(--official-black);
    padding-bottom: 20px;
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 2;
}

.passport-type {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.passport-id {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--stamp-entry-red);
}

/* Photo Area */
.photo-area {
    width: 200px;
    height: 250px;
    border: 2px solid var(--official-black);
    background: #e0e0e0;
    padding: 10px;
    float: left;
    margin-right: 30px;
    margin-bottom: 20px;
    position: relative;
}

.photo-area img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.5);
}

.seal-gold {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: var(--embossed-gold);
    border-radius: 50%;
    border: 4px double var(--official-black);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--official-black);
    opacity: 0.8;
}

/* Settings Form Sections */
.settings-page {
    position: relative;
    z-index: 2;
    clear: both;
}

.settings-group {
    margin-bottom: 2.5rem;
    border-bottom: 1px dashed #ccc;
    padding-bottom: 1.5rem;
}

.settings-group h3 {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    color: var(--passport-blue);
}

body.dark-mode .settings-group h3 {
    color: var(--embossed-gold);
}

.input-field {
    width: 100%;
    background: transparent;
    border: 1px solid var(--official-black);
    padding: 12px;
    font-family: 'Libre Baskerville', serif;
    font-size: 1rem;
    margin-top: 5px;
}

.input-field:focus {
    outline: none;
    background: rgba(28, 63, 110, 0.05);
}

.btn-renew {
    background-color: var(--official-black);
    color: var(--document-cream);
    border: none;
    padding: 15px 40px;
    font-family: 'Libre Baskerville', serif;
    font-weight: bold;
    font-size: 1.1rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
    margin-top: 20px;
}

.btn-renew:hover {
    background-color: var(--passport-blue);
    color: white;
}

/* Entry/Exit Stamps (Rebranded Account History) */
.stamp-area {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.stamp {
    border: 3px solid var(--stamp-entry-red);
    color: var(--stamp-entry-red);
    padding: 10px 20px;
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
    text-transform: uppercase;
    transform: rotate(-5deg);
    opacity: 0.6;
    display: inline-block;
}

.stamp.exit {
    border-color: var(--stamp-exit-blue);
    color: var(--stamp-exit-blue);
    transform: rotate(3deg);
}

/* Utility Links */
.nav-links {
    margin-top: 50px;
    text-align: center;
    border-top: 2px solid var(--official-black);
    padding-top: 20px;
}

.nav-links a {
    color: var(--passport-blue);
    text-decoration: none;
    font-weight: bold;
    margin: 0 15px;
}

body.dark-mode .nav-links a {
    color: var(--embossed-gold);
}

/* Theme Toggle (Border Control Style) */
.mode-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
}

.mode-btn {
    background: var(--official-black);
    color: var(--document-cream);
    border: 1px solid var(--official-black);
    padding: 5px 15px;
    font-family: 'Share Tech Mono', monospace;
    cursor: pointer;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .photo-area {
        float: none;
        margin: 0 auto 30px auto;
    }

    .passport-container {
        padding: 30px;
    }
}