/**
 * Everpast time capsule - Main stylesheet
 * 
 * This stylesheet provides custom styling for the Everpast application:
 * - Layout and spacing
 * - Navigation and footer
 * - Card animations and hover effects
 * - Status indicators and badges
 * - Content previews and media displays
 * - Responsive design adjustments
 * - Custom animations and transitions
 */

/* Layout and structure
   ------------------- */
   html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    margin-bottom: 2rem;
}

/* Navigation components
   ------------------- */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1030;
}

.navbar-brand {
    font-weight: bold;
}

/* Message notifications
   ------------------- */
.messages-container {
    margin-top: 4.5rem;
}

/* Main content area
   --------------- */
main {
    margin-top: 56px; /* Height of the navbar */
    padding: 1rem 0;
}

/* Card components
   ------------- */
.card {
    transition: transform 0.2s;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
}

.card:hover {
    transform: translateY(-5px);
}

/* Time capsule styles */
.capsule-card {
    border-radius: 15px;
    overflow: hidden;
}

.capsule-card .card-header {
    background-color: #343a40;
    color: white;
}

.capsule-status {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8em;
}

.status-active {
    background-color: #28a745;
    color: white;
}

.status-locked {
    background-color: #dc3545;
    color: white;
}

.status-unlocked {
    background-color: #17a2b8;
    color: white;
}

/* Form styles */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,.1);
}

/* Custom file input */
.custom-file-input::-webkit-file-upload-button {
    visibility: hidden;
}

.custom-file-input::before {
    content: 'Select files';
    display: inline-block;
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid #ced4da;
    border-radius: 3px;
    padding: 5px 8px;
    outline: none;
    white-space: nowrap;
    cursor: pointer;
    font-weight: 700;
    font-size: 10pt;
}

/* Countdown timer */
.countdown {
    font-size: 1.2em;
    font-weight: bold;
    color: #343a40;
}

/* Footer styles */
.footer {
    background-color: #343a40 !important;
    color: #fff !important;
    margin-top: auto;
}

.social-icons a {
    font-size: 1.5rem;
    transition: opacity 0.2s;
}

.social-icons a:hover {
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    .form-container {
        margin: 10px;
    }
    
    .capsule-card {
        margin-bottom: 20px;
    }
}

/* Animations */
@keyframes unlock-animation {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.unlocked-animation {
    animation: unlock-animation 0.5s ease-in-out;
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Focus styles */
a:focus, button:focus {
    outline: 3px solid #007bff;
    outline-offset: 2px;
}