*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;margin:0;padding:0;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;color:#2d3748}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px}.login-box{background:#ffffff;padding:48px 40px;border-radius:20px;box-shadow:0 20px 60px #0000004d;max-width:420px;width:100%}.login-box h1{text-align:center;color:#2d3748;font-size:2rem;font-weight:700;margin:0 0 8px}.login-subtitle{text-align:center;color:#718096;font-size:14px;margin:0 0 32px}.login-form{display:flex;flex-direction:column}.form-group{margin-bottom:16px}.login-form input{width:100%;padding:14px 16px;border:2px solid #e2e8f0;border-radius:10px;font-size:15px;font-family:inherit;transition:all .3s ease;background:#f7fafc}.login-form input:focus{outline:none;border-color:#667eea;background:#ffffff;box-shadow:0 0 0 3px #667eea1a}.login-button{width:100%;padding:14px 24px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66;margin-top:8px}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.login-button:active:not(:disabled){transform:translateY(0)}.login-button:disabled{opacity:.6;cursor:not-allowed}.error-message{background:#fed7d7;color:#c53030;padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px;border:1px solid #fc8181;animation:slideIn .3s ease}.loading-screen{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;color:#fff}.loading-spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen 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rgba(0,0,0,.1)}.container h2{color:#fff;font-size:1.5rem;font-weight:600;margin:40px 0 20px;text-shadow:0 1px 2px rgba(0,0,0,.1)}.form{background:#ffffff;padding:32px;border-radius:16px;box-shadow:0 10px 40px #00000026;margin-bottom:30px}.form input,.form textarea{width:100%;padding:14px 16px;margin-bottom:16px;border:2px solid #e2e8f0;border-radius:10px;font-size:15px;font-family:inherit;transition:all .3s ease;background:#f7fafc}.form input:focus,.form textarea:focus{outline:none;border-color:#667eea;background:#ffffff;box-shadow:0 0 0 3px #667eea1a}.form textarea{min-height:120px;resize:vertical}.form button{width:100%;padding:14px 24px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.form button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.form 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16px;color:#4a5568;line-height:1.6;font-size:15px}.delete{background:linear-gradient(135deg,#f56565 0%,#c53030 100%);color:#fff;border:none;padding:8px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #f565654d;margin-right:8px}.delete:hover{transform:translateY(-2px);box-shadow:0 4px 12px #f5656580}.delete:active{transform:translateY(0)}.read-more{background:transparent;color:#667eea;border:2px solid #667eea;padding:6px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-right:8px}.read-more:hover{background:#667eea;color:#fff;transform:translateY(-1px)}.read-more:active{transform:translateY(0)}.delete-all{background:linear-gradient(135deg,#fc8181 0%,#f56565 100%);color:#fff;border:none;padding:12px 24px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #f5656566;margin-bottom:16px;display:block;margin-left:auto}.delete-all:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #f5656599}.delete-all:active:not(:disabled){transform:translateY(0)}.delete-all:disabled{opacity:.6;cursor:not-allowed}.list:empty:after{content:"Henüz duyuru bulunmamaktadır";display:block;text-align:center;color:#fff;font-size:16px;padding:40px;background:rgba(255,255,255,.2);border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@media (max-width: 640px){body{padding:0}.login-box{padding:32px 24px}.login-box h1{font-size:1.75rem}.header{flex-direction:column;align-items:stretch}.header h1{font-size:1.75rem;text-align:center}.user-info{justify-content:center;width:100%}.container{padding:20px 16px}.container h1{font-size:1.75rem;margin-bottom:24px}.container h2{font-size:1.25rem;margin:30px 0 16px}.form{padding:20px 16px;border-radius:12px}.form input,.form textarea{padding:12px 14px;font-size:16px}.form button{padding:12px 20px;font-size:15px}.list li{padding:16px;border-radius:10px}.meta{flex-direction:column;align-items:flex-start;gap:8px}.meta strong{font-size:16px}.meta span{font-size:12px}.list p{font-size:14px;line-height:1.5}.delete{padding:8px 16px;font-size:13px;width:100%;margin-right:0;margin-top:8px}.read-more{width:100%;margin-right:0;margin-bottom:8px}.delete-all{width:100%;margin-left:0}}@media (max-width: 380px){.container{padding:16px 12px}.container h1{font-size:1.5rem}.form{padding:16px 12px}.list li{padding:14px 12px}}