/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(circle at top, #2a2a3f, #121218 70%);
    color: #f5f5f5;
    line-height: 1.7;
    background-attachment: fixed;
    overflow-x: hidden;
}

/* Container */
.app {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header */
.app-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    padding: 25px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    background: rgba(18, 18, 28, 0.65);
    border-radius: 16px;
    gap: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 18px;
}

.logout-btn {
    background: linear-gradient(135deg, #ff416c, #ff6b6b);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    box-shadow: 0 6px 15px rgba(255, 65, 108, 0.4);
    letter-spacing: 0.5px;
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 65, 108, 0.5);
}

/* Error Message */
.error-message {
    background: rgba(244, 67, 54, 0.15);
    color: #ff6f61;
    padding: 16px 22px;
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 4px solid #ff6f61;
    box-shadow: 0 4px 15px rgba(255, 111, 97, 0.2);
    font-weight: 500;
}

/* Auth Container */
.auth-container {
    max-width: 480px;
    margin: 80px auto;
    background: rgba(30, 30, 42, 0.75);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-form h2 {
    margin-bottom: 30px;
    text-align: center;
    color: #00d2ff;
    font-size: 28px;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    letter-spacing: 0.3px;
    opacity: 0.9;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(35, 35, 50, 0.8);
    color: #f0f0f0;
    font-size: 16px;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: rgba(0, 188, 212, 0.5);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.25), inset 0 2px 10px rgba(0, 0, 0, 0.2);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.auth-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    gap: 16px;
}

.auth-buttons button {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.auth-buttons button:first-child {
    background: linear-gradient(135deg, #36d1dc, #5b86e5);
    color: white;
    box-shadow: 0 6px 15px rgba(54, 209, 220, 0.4);
}

.auth-buttons button:first-child:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(54, 209, 220, 0.5);
}

.auth-buttons button:last-child {
    background: rgba(66, 66, 88, 0.8);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-buttons button:last-child:hover {
    background: rgba(76, 76, 98, 0.9);
}

/* Tasks container */
.tasks-container {
    background: rgba(30, 30, 42, 0.75);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tasks-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 15px;
}

.tasks-header h2 {
    color: #00d2ff;
    font-size: 26px;
    word-wrap: break-word;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.add-task-btn {
    background: linear-gradient(135deg, #36d1dc, #5b86e5);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    box-shadow: 0 6px 15px rgba(91, 134, 229, 0.4);
    letter-spacing: 0.5px;
}

.add-task-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(91, 134, 229, 0.5);
}

/* Task Form */
.task-form {
    background: rgba(35, 35, 50, 0.8);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 45px;
    box-shadow: inset 0 2px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.submit-btn {
    background: linear-gradient(135deg, #36d1dc, #5b86e5);
    color: white;
    border: none;
    padding: 16px 0;
    width: 100%;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    box-shadow: 0 6px 15px rgba(91, 134, 229, 0.4);
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(91, 134, 229, 0.5);
}

/* Tasks Grid */
.tasks-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.no-tasks {
    grid-column: 1 / -1;
    text-align: center;
    padding: 50px;
    background: rgba(35, 35, 50, 0.6);
    border-radius: 16px;
    color: #b0bec5;
    font-style: italic;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Task Card */
.task-card {
    background: rgba(35, 35, 50, 0.7);
    border-radius: 16px;
    overflow: hidden;
    border-top: 4px solid;
    position: relative;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    transform: scale(1);
    word-break: break-word;
    backdrop-filter: blur(10px);
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.task-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

/* Priority colors with better gradients */
.priority-low {
    border-color: #8bc34a;
    border-image: linear-gradient(to right, #8bc34a, #4caf50) 1;
}
.priority-medium {
    border-color: #ff9800;
    border-image: linear-gradient(to right, #ff9800, #ff5722) 1;
}
.priority-high {
    border-color: #f44336;
    border-image: linear-gradient(to right, #f44336, #e91e63) 1;
}

.status-completed {
    opacity: 0.75;
}
.status-completed::after {
    content: '✓';
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 22px;
    color: #4caf50;
    text-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}

.task-header {
    padding: 25px;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.task-header h3 {
    font-size: 18px;
    overflow-wrap: break-word;
    max-width: 80%;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.task-actions {
    display: flex;
    gap: 8px;
}

.delete-btn {
    background-color: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: none;
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
}
.delete-btn:hover {
    background-color: rgba(244, 67, 54, 0.4);
    transform: translateY(-2px);
}

.task-details {
    padding: 25px;
}
.task-description {
    margin-bottom: 22px;
    color: #d0d0d0;
    line-height: 1.6;
}

.task-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.priority-badge {
    padding: 6px 12px;
    border-radius: 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.priority-badge.low { 
    background: linear-gradient(to right, #8bc34a, #4caf50);
    box-shadow: 0 3px 10px rgba(76, 175, 80, 0.3);
}
.priority-badge.medium { 
    background: linear-gradient(to right, #ff9800, #ff5722);
    box-shadow: 0 3px 10px rgba(255, 152, 0, 0.3);
}
.priority-badge.high { 
    background: linear-gradient(to right, #f44336, #e91e63);
    box-shadow: 0 3px 10px rgba(244, 67, 54, 0.3);
}

.status-select {
    background-color: #2f2f3d;
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-select.completed { 
    background: linear-gradient(to right, #4caf50, #009688);
    border: none;
}
.status-select.in-progress { 
    background: linear-gradient(to right, #2196f3, #03a9f4);
    border: none;
}
.status-select.pending { 
    background: linear-gradient(to right, #9e9e9e, #757575);
    border: none;
}

.task-timestamps {
    margin-top: 22px;
    font-size: 13px;
    color: #9e9e9e;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 15px;
}

/* Loading screen */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-size: 28px;
    color: #00d2ff;
    flex-direction: column;
}

.loading::after {
    content: "";
    width: 60px;
    height: 60px;
    border: 3px solid rgba(0, 210, 255, 0.3);
    border-radius: 50%;
    border-top-color: #00d2ff;
    animation: spin 1s ease-in-out infinite;
    margin-top: 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Visual enhancements - subtle animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

.task-card {
    animation: float 10s ease-in-out infinite;
    animation-delay: calc(var(--animation-order, 0) * 0.5s);
}

/* Media Queries for responsiveness */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }
    
    .auth-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .auth-buttons button {
        width: 100%;
        margin: 0;
    }

    .tasks-container {
        padding: 25px 20px;
    }

    .task-form {
        padding: 20px;
    }

    .tasks-list {
        grid-template-columns: 1fr;
    }
}

/* Extra polish for glass effect */
.auth-container,
.tasks-container,
.task-card,
.app-header {
    position: relative;
    overflow: hidden;
}

.auth-container::before,
.tasks-container::before,
.task-card::before,
.app-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    pointer-events: none;
}
.short-email {
    cursor: pointer;
    font-weight: bold;
}

.email-popout {
    display: none;
    position: absolute;
    top: 25px;
    left: 0;
    background: #fff;
    border: 1px solid #ccc;
    padding: 5px 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 10;
    white-space: nowrap;
    transition: opacity 0.3s;
}

.logout-btn {
    background: none;
    border: 2px solid #ff4d4d;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 5px;
    color: #ff4d4d;
    font-size: 18px;
    transition: background-color 0.3s, color 0.3s;
}

.logout-btn i {
    color: #ff4d4d;
}

.logout-btn:hover {
    background-color: #ff4d4d;
    color: white;
}

.logout-btn:hover i {
    color: white;
}