/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: #0b0f19; /* Premium deep dark background */
    color: #f3f4f6; /* Off-white text for softer contrast */
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: 3rem 1.5rem;
    line-height: 1.6;
}

/* Container for everything */
.container {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Logo styling */
.logo {
    width: 80px;
    height: auto;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 15px rgba(66, 133, 244, 0.4));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.08);
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

/* Glassmorphism Card Style for Form */
form {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: stretch;
    text-align: left;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #9ca3af;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
}

input[type="text"]:focus,
textarea:focus {
    outline: none;
    border-color: #6366f1;
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Primary Button Styling */
button.btn-submit {
    background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.85rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

button.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
    filter: brightness(1.1);
}

button.btn-submit:active {
    transform: translateY(0);
}

/* Error/Notification Alert */
.alert {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    text-align: left;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

/* Table container for responsiveness */
.table-container {
    width: 100%;
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    margin-top: 1rem;
}

/* Table styles */
table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
    background-color: rgba(255, 255, 255, 0.04);
    font-weight: 600;
    color: #9ca3af;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
}

.empty-state {
    color: #6b7280;
    text-align: center;
    padding: 3rem;
    font-style: italic;
}

/* Red Delete Trashbin Button */
.btn-delete {
    background: transparent;
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 1.1rem;
}

.btn-delete:hover {
    background-color: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
    transform: scale(1.05);
}

.btn-delete:active {
    transform: scale(0.95);
}

/* Row-level content styles */
.td-name {
    font-weight: 600;
    color: #ffffff;
}

.td-message {
    word-break: break-word;
    white-space: pre-wrap;
}

.td-time {
    color: #9ca3af;
    font-size: 0.875rem;
    white-space: nowrap;
}

.td-actions {
    text-align: center;
    width: 60px;
}