@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

:root {
    --primary-color: #1877fe;
    --secondary-color: #8c52ff;
    --background-dark: #0a0b1f;
    --card-dark: #131427;
    --text-light: #f0f0f0;
    --text-muted: #a0a0a0;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    overflow-x: hidden;
    background-color: var(--background-dark) !important;
    color: var(--text-light) !important;
    padding: 20px;
}

/* Navbar Styles */

.navbar {
    width: 100%;
    background-color: var(--card-dark);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.navbar-logo img {
    height: 40px;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.nav-item {
    margin-left: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.nav-button {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(24, 119, 254, 0.4);
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(24, 119, 254, 0.6);
}

.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 0 1rem;
    }

    .menu-icon {
        display: block;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--card-dark);
        border-top: 1px solid #333;
        padding: 1rem 0;
    }

    .menu-toggle:checked + .menu-icon + .nav-menu {
        display: flex;
    }
    
    .nav-item {
        margin: 0.5rem 0;
        text-align: center;
    }
}

.container {
    background-color: var(--card-dark);
    padding: 40px;
    overflow-y: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 500px;
    box-sizing: border-box;
    text-align: center;
    margin-top: 80px;
    margin-bottom: 30px;
}

.main-app{
    overflow-y: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media screen and (max-width: 768px) {
    .main-app {
        grid-template-columns: 1fr;
    }
    
}

h1 {
    font-size: 2.5em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

p {
    font-size: 1em;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.logo {
    width: 150px;
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 25px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9em;
    color: var(--text-light);
    font-weight: 400;
}

input[type="text"],
input[type="file"],
select {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #333;
    background-color: #222;
    color: var(--text-light);
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

.input-group input[type="color"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border: 2px solid #2a2c42;
    width: 100%;
    height: 40px;
    padding: 0;
    cursor: pointer;
    background: var(--background-dark);
    border-radius: 8px;
}

.input-group input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.input-group input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}

.input-group input[type="color"]::-moz-color-swatch {
    border: none;
    border-radius: 6px;
}

/* General input styling */
input[type="datetime-local"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #2c2f48; /* match your dark card theme */
  border-radius: 8px;
  background-color: #131427; /* card-dark */
  color: #f0f0f0; /* text-light */
  font-size: 14px;
  transition: all 0.3s ease;
}

/* Placeholder & text color */
input[type="datetime-local"]::placeholder {
  color: #a0a0a0; /* text-muted */
}

/* Focus effect */
input[type="datetime-local"]:focus {
  outline: none;
  border-color: #1877fe; /* primary-color */
  box-shadow: 0 0 6px rgba(24, 119, 254, 0.6);
}

/* Optional: make calendar/time picker icon match theme */
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: invert(1); /* turns default icon white */
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

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

.button-group {
    margin-top: 30px;
}

button {
    padding: 12px 25px;
    font-size: 1em;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* File Chooser */
.file-chooser-container {
    width: 100%;
    max-width: 500px;
    background-color: var(--card-dark);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.file-chooser-container h2 {
    font-weight: 600;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #1877fe, #8c52ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.drop-zone {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2.5rem;
    border: 2px dashed var(--text-muted);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
}

.drop-zone.dragover {
    border-color: var(--primary-color);
    background-color: rgba(24, 119, 254, 0.1);
}

.drop-zone-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    transition: color 0.3s ease-in-out;
}

.drop-zone-text {
    color: var(--text-muted);
    font-weight: 500;
}

.drop-zone-text span {
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 600;
    transition: color 0.3s ease-in-out;
}

.drop-zone-text span:hover {
    text-decoration: underline;
}

.file-info {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.file-name {
    font-weight: 500;
    color: var(--text-light);
    word-wrap: break-word;
    text-align: center;
}

.file-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.hidden-file-input {
    display: none;
}

#generateBtn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(24, 119, 254, 0.4);
}

#generateBtn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(24, 119, 254, 0.6);
}

.preview-section {
    margin-top: 80px;
    padding: 30px;
    border-radius: 12px;
    background-color: var(--card-dark);
    border: 1px dashed #333;
    display: none;
    flex-direction: column;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.preview-section h2 {
    font-size: 1.5em;
    margin-bottom: 20px;
    color: var(--primary-color);
}

#hiddenCanvas {
    display: none;
}

#qrCodeCanvas {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

#saveBtn {
    margin-top: 20px;
    display: none;
    background-color: #28a745;
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

#saveBtn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.6);
}

@media (max-width: 600px) {
    .container {
        padding: 25px;
    }

    h1 {
        font-size: 2em;
    }
}

/* Border styles for the QR code container */
.qr-canvas-container.solid-border {
    border: 5px solid var(--qr-border-color, #1877fe);
}
.qr-canvas-container.dashed-border {
    border: 5px dashed var(--qr-border-color, #1877fe);
}
.qr-canvas-container.dotted-border {
    border: 5px dotted var(--qr-border-color, #1877fe);
}


/* Modal Overlay Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7); 
    display: flex; 
    justify-content: center;
    align-items: center;
    z-index: 1000; 
}

.modal-content {
    background-color: var(--card-dark);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.modal-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.modal-content button {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 10px 24px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(24, 119, 254, 0.4);
}

.modal-content button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(24, 119, 254, 0.6);
}

body.modal-open {
    overflow: hidden;
}

#saveBtn {
    margin: 10px auto;
}